MySQL Date and Time Functions
MySQL ADDDATE() Function
The ADDDATE()
method in MySQL outputs a date after adding a date/time period to a date or datetime value.
Syntax:
The syntax for the MySQL ADDDATE() function is as follows:
ADDDATE(date, days)
or
ADDDATE(date, INTERVAL value addunit)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date that has to be changed. |
days | Required. The number of days to add to the current date. |
value | Required. The value of the extra time/date interval Both positive and negative numbers are permitted. |
addunit | Required. The interval that has to be provided. One of the values listed below may be used:
|
Technical Details
Examples:-
Example 1: This example to add 15 days:
SELECT ADDDATE('2022-02-15', 15),
ADDDATE('2022-02-15', -15);
Result is
ADDDATE('2022-02-15', 15) | ADDDATE('2022-02-15', -15) |
---|---|
2022-03-02 | 2022-01-31 |
The result adds 15 days from specified date, and another minus 15 days from specified date.
Example 2: Return the date after adding days, hours, and minutes in this example:
SELECT ADDDATE('2022-02-01', INTERVAL 15 DAY),
ADDDATE('2022-02-01', INTERVAL 15 HOUR),
ADDDATE('2022-02-01', INTERVAL 15 MINUTE);
Result is
ADDDATE('2022-02-01', INTERVAL 15 DAY) | ADDDATE('2022-02-01', INTERVAL 15 HOUR) | ADDDATE('2022-02-01', INTERVAL 15 MINUTE) |
---|---|---|
2022-02-16 | 2022-02-01 15:00:00 | 2022-02-01 00:15:00 |
We add 15 days, hours, and minutes to the supplied date based on the outcome.
Example 3: Return the date after substract days, hours, and minutes in this example:
SELECT ADDDATE('2022-02-01', INTERVAL -15 DAY),
ADDDATE('2022-02-01', INTERVAL -15 MONTH),
ADDDATE('2022-02-01', INTERVAL -15 MINUTE);
Result is
ADDDATE('2022-02-01', INTERVAL -15 DAY) | ADDDATE('2022-02-01', INTERVAL -15 MONTH) | ADDDATE('2022-02-01', INTERVAL -15 MINUTE) |
---|---|---|
2022-01-17 | 2020-11-01 | 2022-01-31 23:45:00 |
We substract 15 days, hours, and minutes to the supplied date based on the outcome.
MySQL ADDTIME() Function
The ADDTIME()
function returns the result of adding a given time value to another given time.
Syntax:
The syntax for the MySQL ADDTIME() function is as follows:
ADDTIME(time_expr, INTERVAL value addunit)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The date that has to be changed. |
addtime | Required. Add the time interval to datetime. Both positive and negative numbers are valid. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: Adding seconds to the stated time in this example.:
SELECT ADDTIME("2022-01-08 08:14:11", "12");
Result is
We appended 12 seconds to the supplied datetime parameter based on the results.
Example 2: Returning a datetime by multiplying a time by 5 hours, 30 minutes, 8 seconds, and 10 microseconds is an instance:
SELECT ADDTIME("2022-01-18 03:54:12.000005", "5:30:8.000010");
Result is
The result is used to append the supplied date and time by adding 5 hours, 30 minutes, 8 seconds, and 10 microseconds.
Example 3: After appending 3 days, 12 hours, 40 minutes, 15 seconds, and 22 microseconds to a time, the instance returns the datetime:
SELECT ADDTIME("2022-03-25 09:34:21.000001", "3 12:40:15.000022");
Result is
In this result, you can see that we have added 3 days, 12 hours, 40 minutes, 15 seconds, and 22 microseconds to the specific date and time.
MySQL CURDATE() Function
The CURDATE()
function in MySQL outputs the current date in the YYYY-MM-DD or YYYYMMDD format.
Note:This method is the same as CURRENT_DATE()
.
Syntax:
The syntax for the MySQL CURDATE() function is as follows:
CURDATE()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: The example is to Return the current date:
SELECT CURDATE();
Result is
This result is used to give a current date.
Example 2: The current date is returned in this example. 0 times multiplied:
SELECT CURDATE() + 0;
Result is
This result is used to display the current date in number format.
Example 3: The current date is returned in this example. 5 times multiplied:
SELECT CURDATE() + 5;
Result is
Number formatting, the result is used to add 5 days to the current date.
MySQL CURRENT_DATE() Function
The CURRENT_DATE()
function in MySQL returns the system's current date in the format YYYY-MM-DD or YYYYMMDD.
Note:The CURDATE()
method is the same as this.
Syntax:
The syntax for the MySQL CURRENT_DATE() function is as follows:
CURRENT_DATE()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: The current date example will be returned:
SELECT CURRENT_DATE();
Result is
The function is used to return the currentdate.
Example 2: The example to return the current date multiplied by two:
SELECT CURRENT_DATE() + 2;
Result is
The function is used to add 2 days in currentdate in number format.
MySQL CURRENT_TIME() Function
The current time of the system is returned by MySQL's CURRENT_TIME()
function.
Note: The time is returned as "HH-MM-SS" (string) or as HHMMSS.uuuuuu (numeric).
Note: This is the same as the CURTIME()
function.
Syntax:
The syntax for the MySQL CURRENT_TIME() function is as follows:
CURRENT_TIME()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: Returning the current time is an example:
SELECT CURRENT_TIME();
Result is
The function gives you the current system time.
Example 2: Returning current time + 5 is an example:
SELECT CURRENT_TIME() + 5;
Result is
The result of CURRENT_TIME() + 5 is in the hhmmss format.
MySQL CURRENT_TIMESTAMP() [fsp]Function
The current date and time are returned by MySQL's CURRENT_TIMESTAMP()
function.
Note: The date and time is returned as "YYYY-MM-DD HH-MM-SS" (string) or as YYYYMMDDHHMMSS.uuuuuu (numeric).
Syntax:
The syntax for the MySQL CURRENT_TIMESTAMP() function is as follows:
CURRENT_TIMESTAMP()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: To find the current date and time, type in the following example:
SELECT CURRENT_TIMESTAMP();
Result is
The function returns current timestamp.
Example 2: The example to return the current date and time + 1:
SELECT CURRENT_TIMESTAMP() + 3;
Result is
From the result, CURRENT_TIMESTAMP() + 3, so CURRENT_TIMESTAMP() returns a number in YYYYMMDDhhmmss format.
MySQL CURTIME() Function
The MySQL CURTIME()
method returns the system's current time.
Note: The time is returned as "HH-MM-SS" (string) or as HHMMSS.uuuuuu (numeric).
Note: This method is the same as CURRENT_TIME()
.
Syntax:
The syntax for the MySQL CURTIME() function is as follows:
CURTIME()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: Returning the current time is an example:
SELECT CURTIME();
Result is
Example 2: Returning the current time + 1 is an example:
SELECT CURTIME() + 2;
Result is
The format of the result of CURTIME() + 2 is hhmmss. add 1 second to the current system time.
MySQL DATE() Function
The DATE()
method in MySQL retrieves and outputs the date component of a datetime item.
Syntax:
The syntax for the MySQL DATE() function is as follows:
DATE(expr)
Parameter Values
Parameter | Description |
---|---|
expr | Required. A valid date/datetime value. NULL is returned if the expression is not a date or a datetime. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples:-
Example 1: Remove the section about the date:
SELECT DATE('2022-01-15'),
DATE('2022-01-05 11:20:10'),
DATE(NOW());
Result is
DATE('2022-01-15') | DATE('2022-01-05 11:20:10') | DATE(NOW()) |
---|---|---|
1/15/2022 | 1/5/2022 | 5/20/2022 |
The date(NOW()) function extracts the date from the current timestamp, while the date() function extracts the date from the specified timestamp.
Example 2: Let's check null and NotValid in this example:
SELECT DATE('2022-01-11'),
DATE(NULL);
Result is
DATE('2022-02-30') | DATE(NULL) |
---|---|
NULL | NULL |
The output is NULL because 30-02-2022 is not a valid date, and also if there is a null value in the parameter, the result will be NULL.
Example 3: The example to extract the date part:
Let's take DATESIMPLE table to execute below query:
Name | DOB |
---|---|
Vinoth Kumar | 1997/08/22 18:46:30 |
Padmavathi | 2009/09/25 13:46:34 |
The query will be look like this,
SELECT DATE(DOB) FROM DATESIMPLE;
Result is
DATE(DOB) |
---|
8/22/1997 |
9/25/2009 |
The output retrieves the date from the Dob column.
MySQL DATEDIFF() Function
Main Article :- MySql DATEDIFF() Function
The DATEDIFF() method calculates the difference in days between two dates.
Syntax
DATEDIFF(date1, date2)
Parameter Values
Parameter | Description |
---|---|
date1, date2 | Required. Two dates to calculate the number of days between. (date1 - date2) |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the number of days that separate two dates:
SELECT DATEDIFF("2017-06-25", "2017-06-15");
Result is 10
Example 2:- The difference in days between two dates is returned:
SELECT DATEDIFF("2017-06-25 09:34:21", "2017-06-15 15:25:35");
Result is 10
Example 3:- Return the number of days between two date values:
SELECT DATEDIFF("2017-01-01", "2016-12-24");
Result is 8
MySQL DATE_ADD() Function
Main Article :- MySql DATE_ADD() Function
The DATE ADD() method takes a date and adds a time/date interval to it before returning the date.
Syntax
DATE_ADD(date, INTERVAL value addunit)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to be modified |
value | Required. The time/date interval to be added's value. Positive and negative values are both acceptable. |
addunit | Required. The interval to be added. One of the following values is possible:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the date after adding 10 days:
SELECT DATE_ADD("2017-06-15", INTERVAL 10 DAY);
Result is 2017-06-25
Example 2:- Return the date after adding 15 minutes:
SELECT DATE_ADD("2017-06-15 09:34:21", INTERVAL 15 MINUTE);
Result is 2017-06-15 09:49:21
Example 3:- Subtract 3 hours from a date and recalculate the date value.
SELECT DATE_ADD("2017-06-15 09:34:21", INTERVAL -3 HOUR);
Result is 2017-06-15 06:34:21
Example 4:- Subtract two months from a date and recalculate:
SELECT DATE_ADD("2017-06-15", INTERVAL -2 MONTH);
Result is 2017-04-15
MySQL DATE_FORMAT() Function
The DATE FORMAT() method formats a date according to the parameters.
Syntax
DATE_FORMAT(date, format)
Parameter Values
Parameter | Description | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
date | Required. The date to be formatted | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
format | Required. The format to use. Can be one or a
combination of the following values:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Format a date with Year only
SELECT DATE_FORMAT("2017-06-15", "%Y");
Result is 2017
Example 2:- Format a date with Month, Day and Year only
SELECT DATE_FORMAT("2017-06-15", "%M %d %Y");
Result is June 15 2017
Example 3:- Format a date with Dayname, Month, Day and Year only
SELECT DATE_FORMAT("2017-06-15", "%W %M %e %Y");
Result is Thursday June 15 2017
Example 4:- Format a date with Dayname, Month name, Day and Year only
SELECT DATE_FORMAT(BirthDate, "%W %M %e %Y") FROM Employees;
Result is Sunday December 8 1968
MySQL DATE_SUB() Function
The DATE SUB() method takes a date and subtracts a time/date interval from it before returning the date.
Syntax
DATE_SUB(date, INTERVAL value interval)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to be modified |
value | Required. The value of the time/date interval to subtract. Both positive and negative values are allowed |
interval | Required. The type of interval to subtract. Can be one of the following
values:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Subtract 10 days from a date and recalculate it as follows:
SELECT DATE_SUB("2017-06-15", INTERVAL 10 DAY);
Result is 2017-06-05
Example 2:- Subtract 15 minutes from a date and recalculate it as follows:
SELECT DATE_SUB("2017-06-15 09:34:21", INTERVAL 15 MINUTE);
Result is 2017-06-05
Example 3:- Subtract 3 hours from a date and recalculate it as follows:
SELECT DATE_SUB("2017-06-15 09:34:21", INTERVAL 3 HOUR);
Result is 2017-06-05
Example 4:- Return the date after adding two months:
SELECT DATE_SUB("2017-06-15", INTERVAL -2 MONTH);
Result is 2017-08-15
MySQL DAY() Function
Main Article :- MySql DAY() Function
For a given date, the DAY() method returns the month's day (a number from 1 to 31).
Note:The DAYOFMONTH() method is equivalent to this.
Syntax
DAY(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to extract the day from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Example
Example 1:- If you're looking for a date, return the day of the month:
SELECT DAY("2017-06-15");
Result is 15
Example 2:- If you're looking for a date, return the day of the month:
Result is 15
Example 3:- For the current system date, get the day of the month:
SELECT DAY(CURDATE());
Result is 29
MySQL DAYNAME() Function
Main Article :- MySql DAYNAME() Function
The weekday name for a given date is returned by the DAYNAME() method.
Syntax
DAYNAME(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to extract the weekday name from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For a given date, return the name of the weekday:
SELECT DAYNAME("2017-06-15");
Result is Thursday
Example 2:- For a given date, get the weekday name:
SELECT DAYNAME("2017-06-15 09:34:21");
Result is Thursday
Example 3:- For the current system date, get the weekday name:
SELECT DAYNAME(CURDATE());
Result is Thursday
MySQL DAYOFMONTH() Function
The DAYOFMONTH() method returns the date's month day (a number from 1 to 31).
Note: The DAY() method is the same as this one.
Syntax
DAYOFMONTH(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to extract the day from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- If you're looking for a date, return the day of the month:
SELECT DAYOFMONTH("2017-06-15");
Result is 15
Example 2:- If you're looking for a date, return the day of the month:
SELECT DAYOFMONTH("2017-06-15 09:34:21");
Result is 15
Example 3:- For the current system date, get the day of the month:
SELECT DAYOFMONTH(CURDATE());
Result is 30
MySQL DAYOFWEEK() Function
The weekday index for a given date is returned by the DAYOFWEEK() function (a number from 1 to 7).
Note:1=Sunday, 2=Monday, 3=Tuesday, 4=Wednesday, 5=Thursday, 6=Friday, 7=Saturday.
Syntax
DAYOFWEEK(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to return the weekday index from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For a given date, get the weekday index:
SELECT DAYOFWEEK("2017-06-15");
Result is 5
Example 2:- Return the weekday index for a date:
SELECT DAYOFWEEK("2017-06-15 09:34:21");
Result is 5
Example 3:- Return the weekday index for the current system date:
SELECT DAYOFWEEK(CURDATE());
Result is 5
MySQL DAYOFYEAR() Function
Main Article :- MySql DAYOFYEAR() Function
For a given date, the DAYOFYEAR() method returns the day of the year (a number from 1 to 366).
Syntax
DAYOFYEAR(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to return the day of the year from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For a date, go back to the beginning of the year:
SELECT DAYOFYEAR("2017-06-15");
Result is 166
Example 2:- For a date, go back to the beginning of the year:
SELECT DAYOFYEAR("2017-01-01");
Result is 1
Example 3:- Return the day of the year for the current system date:
SELECT DAYOFYEAR(CURDATE());
Result is 364
MySQL EXTRACT() Function
Main Article :- MySql EXTRACT() Function
The EXTRACT() method takes a portion of a date and extracts it.
Syntax
EXTRACT(part FROM date)
Parameter Values
Parameter | Description |
---|---|
part | Required. The part to extract. Can be one of the following:
|
date | Required. The date to extract a part from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- To get the month out of a date, use the following formula
SELECT EXTRACT(MONTH FROM "2017-06-15");
Result is 6
Example 2:- To get the week of a date, use the following formula:
SELECT EXTRACT(WEEK FROM "2017-06-15");
Result is 24
Example 3:- To get the minute from a datetime, use the following formula:
SELECT EXTRACT(MINUTE FROM "2017-06-15 09:34:21");
Result is 34
Example 4:- From a datetime, get the year and month:
SELECT EXTRACT(YEAR_MONTH FROM "2017-06-15 09:34:21");
Result is 201706
MySQL FROM_DAYS() Function
From a numeric datevalue, the FROM DAYS() method outputs a date.
Only dates in the Gregorian calendar should be used using the FROM DAYS() method.
Note:The TO DAYS() function is the inverse of this.
Syntax
FROM_DAYS(number)
Parameter Values
Parameter | Description |
---|---|
number | Required. The numeric day to convert to a date |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- From a numeric representation of the day, get a date:
SELECT FROM_DAYS(685467);
Result is 1876-09-29
Example 2:- Return a date from a day's numerical representation:
SELECT FROM_DAYS(780500);
Result is 2136-12-08
MySQL HOUR() Function
Main Article :- MySql HOUR() Function
The hour portion of a date is returned by the HOUR() method (from 0 to 838).
Syntax
HOUR(datetime)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The datetime value to extract the hour from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- The hour portion of a datetime is returned:
SELECT HOUR("2017-06-20 09:34:00");
Result is 9
Example 2:- Return the hour part of a datetime:
SELECT HOUR("838:59:59");
Result is 838
MySQL LAST_DAY() Function
The LAST DAY() method returns the month's last day for a specified date.
Syntax
LAST_DAY(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date to extract the last day of the month from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For the given date, find the final day of the month:
SELECT LAST_DAY("2017-06-20");
Result is 2017-06-30
Example 2:- For the given date, calculate the final day of the month:
SELECT LAST_DAY("2017-02-10 09:34:00");
Result is 2017-02-28
MySQL LOCALTIME() Function
The current date and time are returned via the LOCALTIME() method.
Note:The date and time is returned as "YYYY-MM-DD HH-MM-SS" (string) or as YYYYMMDDHHMMSS.uuuuuu (numeric).
Syntax
LOCALTIME()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Current date and time should be returned:
SELECT LOCALTIME();
Result is 2021-12-30 07:06:14
Example 2:- Return current date and time + 1:
SELECT LOCALTIME() + 1;
Result is 20211230070553
MySQL LOCALTIMESTAMP() Function
The current date and time are returned by the LOCALTIMESTAMP() method.
Note:The date and time is returned as "YYYY-MM-DD HH-MM-SS" (string) or as YYYYMMDDHHMMSS.uuuuuu (numeric).
Syntax
LOCALTIMESTAMP()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the current time and date:
SELECT LOCALTIMESTAMP();
Result is 2021-12-30 07:59:17
Example 2:- Return the current time and date:
SELECT LOCALTIMESTAMP() + 1;
Result is 20211230075852
MySQL MAKEDATE() Function
The MAKEDATE() method generates and returns a date depending on the year and the number of days specified.
Syntax
MAKEDATE(year, day)
Parameter Values
Parameter | Description |
---|---|
year | Required. A year (4-digits) |
day | Required. The year's day is represented by a number. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Create and return a date depending on the value of a year and the number of days:
SELECT MAKEDATE(2017, 3);
Result is 2017-01-03
Example 2:- Create and return a date depending on the value of a year and the number of days:
SELECT MAKEDATE(2017, 175);
Result is 2017-06-24
Example 3:- Create and return a date depending on the value of a year and the number of days:
SELECT MAKEDATE(2017, 100);
Result is 2017-04-10
Example 4:- Create and return a date depending on the value of a year and the number of days:
SELECT MAKEDATE(2017, 366);
Result is 2018-01-01
MySQL MAKETIME() Function
The MAKETIME() method generates and returns a time depending on the input values of hour, minute, and second.
Syntax
MAKETIME(hour, minute, second)
Parameter Values
Parameter | Description |
---|---|
hour | Required. The hour value |
minute | Required. The minute value |
second | Required. The seconds value |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Make a time value from an hour, minute, and second value and return it:
SELECT MAKETIME(11, 35, 4);
Result is 11:35:04
Example 2:- Make a time value based on an hour, minute, and second value and return it:
SELECT MAKETIME(16, 1, 0);
Result is 16:01:00
Example 3:- Make a time value from an hour, minute, and second value and return it:
SELECT MAKETIME(21, 59, 59);
Result is 21:59:59
Example 4:- Create a time value based on an hour, minute, and second value and return it:
SELECT MAKETIME(838, 59, 59);
Result is 838:59:59
MySQL MICROSECOND() Function
The MICROSECOND() method returns a time/microsecond datetime's portion (from 0 to 999999).
Syntax
MICROSECOND(datetime)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The time or datetime from which the microsecond will be extracted |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the portion of a datetime that is in microseconds:
SELECT MICROSECOND("2017-06-20 09:34:00.000023");
Result is 23
Example 2:- Return the part of a time value that is in microseconds:
SELECT MICROSECOND("23:59:59.000045");
Result is 45
MySQL MINUTE() Function
Main Article :- MySql MINUTE() Function
The MINUTE() method returns a time/minute datetime's component (from 0 to 59).
Syntax
MINUTE(datetime)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The minute is extracted from the time or datetime. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- The minute portion of a datetime value is returned:
SELECT MINUTE("2017-06-20 09:34:00");
Result is 34
Example 2:- The minute portion of a time value is returned:
SELECT MINUTE("23:59:59");
Result is 59
MySQL MONTH() Function
Main Article :- MySql MONTH() Function
For a given date, the MONTH() method returns the month part (a number from 1 to 12).
Syntax
MONTH(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The month should be extracted from a date or datetime. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- The month component of a date should be returned:
SELECT MONTH("2017-06-15");
Result is 6
Example 2:- The month portion of a date should be returned:
SELECT MONTH("2017-06-15 09:34:21");
Result is 6
Example 3:- Return the current system date's month component:
SELECT MONTH(CURDATE());
Result is 12
MySQL MONTHNAME() Function
Main Article :- MySql MONTHNAME() Function
For a given date, the MONTHNAME() method returns the month's name.
Syntax
MONTHNAME(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The month name will be extracted from the date or datetime value. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For a given date, return the month name:
SELECT MONTHNAME("2017-06-15");
Result is June
Example 2:- For a given date, return the month's name:
SELECT MONTHNAME("2017-06-15 09:34:21");
Result is June
Example 3:- For the current system date, return the month's name as follows:
SELECT MONTHNAME(CURDATE());
Result is December
MySQL NOW() Function
Main Article :- MySql NOW() Function
The current date and time are returned by the NOW() method.
Note:The date and time is returned as "YYYY-MM-DD HH:MM:SS" (string) or as YYYYMMDDHHMMSS.uuuuuu (numeric).
Syntax
NOW()
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the current time and date:
SELECT NOW();
Result is 2021-12-30 11:13:19
Example 2:- Return current date and time + 1:
SELECT NOW() + 1;
Result is 20211230111242
MySQL PERIOD_ADD() Function
The PERIOD ADD() method extends a period by a specified number of months.
The PERIOD ADD() method returns a YYYYMM formatted output.
Syntax
PERIOD_ADD(period, number)
Parameter Values
Parameter | Description |
---|---|
period | Required. A period. Format: YYMM or YYYYMM |
number | Required. The number of months that should be added to the timeframe. Positive and negative values are both acceptable. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- To make a period longer, add a specific number of months:
SELECT PERIOD_ADD(201703, 5);
Result is 201708
Example 2:- To make a period longer, add a certain number of months:
SELECT PERIOD_ADD(201703, 15);
Result is 201806
Example 3:- To make a period longer, add a specific number of months:
SELECT PERIOD_ADD(201703, -2);
Result is 201701
MySQL PERIOD_DIFF() Function
The difference between two periods is returned by the PERIOD DIFF() function. The outcome will be known in a few months.
Note:Periods 1 and 2 should be formatted in the same way.
Syntax
PERIOD_DIFF(period1, period2)
Parameter Values
Parameter | Description |
---|---|
period1 | Required. A period. Format: YYMM or YYYYMM |
period2 | Required. Another period. Format: YYMM or YYYYMM |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Calculate the difference between two periods as follows:
SELECT PERIOD_DIFF(201710, 201703);
Result is 7
Example 2:- Calculate the difference between two periods as follows:
SELECT PERIOD_DIFF(201703, 201803);
Result is -12
Example 3:- Calculate the difference between two periods as follows:
SELECT PERIOD_DIFF(1703, 1612);
Result is 3
MySQL QUARTER() Function
For a given date, the QUARTER() method returns the year's quarter (a number from 1 to 4).
- January-March returns 1
- April-June returns 2
- July-Sep returns 3
- Oct-Dec returns 4
Syntax
QUARTER(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date or datetime from which the quarter will be extracted. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- For the date, please return the year's quarter:
SELECT QUARTER("2017-06-15");
Result is 2
Example 2:- For the date, please return the year's quarter:
SELECT QUARTER("2017-01-01 09:34:21");
Result is 1
Example 3:- For the date, please return the year's quarter:
SELECT QUARTER(CURDATE());
Result is 4
MySQL SECOND() Function
Main Article :- MySql SECOND() Function
SECOND() returns the seconds component of a time/datetime (from 0 to 59).
Syntax
SECOND(datetime)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The time or datetime to extract the second from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- The seconds component of a datetime value is returned:
SELECT SECOND("2017-06-20 09:34:00.000023");
Result is 0
Example 2:- Return the part of a time value that is in seconds:
SELECT SECOND("23:59:59");
Result is 59
MySQL SUBDATE() Function
The SUBDATE() method takes a date and subtracts a time/date interval from it before returning the date.
Syntax
SUBDATE(date, INTERVAL value unit)
Parameter Values
Parameter | Description |
---|---|
date | Required. The original date |
days | Required. The number of days to deduct from the current date |
value | Required. Subtract the value of the time/date period. Positive and negative values are both acceptable. |
unit | Required. The interval's kind. One of the following values is possible:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Subtract 10 days from a date and recalculate it as follows:
SELECT SUBDATE("2017-06-15", INTERVAL 10 DAY);
Result is 2017-06-05
Example 2:- Subtract 15 minutes from a date and recalculate it as follows:
SELECT SUBDATE("2017-06-15 09:34:21", INTERVAL 15 MINUTE);
Result is 2017-06-15 09:19:21
Example 3:- Subtract 3 hours from a date and recalculate it as follows:
SELECT SUBDATE("2017-06-15 09:34:21", INTERVAL 3 HOUR);
Result is 2017-06-15 06:34:21
Example 4:- Return the date after adding two months:
SELECT SUBDATE("2017-06-15", INTERVAL -2 MONTH);
Result is 2017-08-15
MySQL SUBTIME() Function
The SUBTIME() method subtracts time from a time/datetime expression before returning the result.
Syntax
SUBTIME(datetime, time_interval)
Parameter Values
Parameter | Description |
---|---|
datetime | Required. The time or datetime to be modified |
time_interval | Required. The time period from which datetime should be subtracted. Positive and negative values are both acceptable. |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Subtract 5.000001 seconds from the datetime to get the
Result is
SELECT SUBTIME("2017-06-15 10:24:21.000004", "5.000001");
Result is 2017-06-15 10:24:16.000003
Example 2:- Return the datetime by subtracting 3 hours, 2 minutes, and 5.000001 seconds:
SELECT SUBTIME("2017-06-15 10:24:21.000004", "3:2:5.000001");
Result is 2017-06-15 07:22:16.000003
Example 3:- Subtract 5 seconds from the time and recalculate:
SELECT SUBTIME("10:24:21", "5");
Result is 10:24:16
Example 4:- Subtract 3 minutes from the time and recalculate:
SELECT SUBTIME("10:24:21", "300");
Result is 10:21:21
Example 5:- Add 3 hours, 2 minutes, and 5 seconds, and return the time:
SELECT SUBTIME("10:24:21", "-3:2:5");
Result is 13:26:26
MySQL TIME() Function
TIME() retrieves the time component of a specified time/datetime.
Note:If expression is not a datetime/time, this method returns "00:00:00," else NULL.
Syntax
TIME(expression)
Parameter Values
Parameter | Description |
---|---|
expression | Required. The time/datetime from which to obtain the time |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- To get the time portion of a time expression, do the following:
SELECT TIME("19:30:10");
Result is 19:30:10
Example 2:- Take the time component out of the datetime expression:
SELECT TIME("2017-08-15 19:30:10");
Result is 19:30:10
Example 3:- From the datetime expression, extract the time component:
SELECT TIME("2017-08-15 19:30:10.000001");
Result is 19:30:10.000001
Example 4:- Extract the time part from NULL:
SELECT TIME(NULL);
Result is NULL
MySQL TIMEDIFF() Function
The TIMEDIFF() method compares two time/datetime expressions and returns the difference.
Note:The format of time1 and time2 should be the same, and the computation should be time1 - time2.
Syntax
TIMEDIFF(time1, time2)
Parameter Values
Parameter | Description |
---|---|
time1 | Required. A time value |
time2 | Required. Another time value |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- The difference between two time expressions is returned:
SELECT TIMEDIFF("13:10:11", "13:10:10");
Result is 00:00:01
Example 2:- The difference between two datetime expressions is returned:
SELECT TIMEDIFF("2017-06-25 13:10:11", "2017-06-15 13:10:10");
Result is 240:00:01
MySQL TIMESTAMP() Function
The TIMESTAMP() method generates a datetime value from a date or a datetime value.
Note:This method adds the second parameter to the first before returning a datetime value if there are two arguments supplied.
Syntax
TIMESTAMP(expression, time)
Parameter Values
Parameter | Description |
---|---|
expression | Required. A date or datetime value |
time | Optional. A time value to add to expression |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Based on the parameters, return a datetime value:
SELECT TIMESTAMP("2017-07-23", "13:10:11");
Result is 2017-07-23 13:10:11
Example 2:- Using the parameters, return a datetime value:
SELECT TIMESTAMP("2017-07-23");
Result is 2017-07-23 00:00:00
MySQL TO_DAYS() Function
The TO DAYS() method calculates the number of days between a date and the beginning of the year (date "0000-00-00").
The TO DAYS() method may only be used with Gregorian calendar dates.
Note: This function is the polar opposite of FROM DAYS().
Syntax
TO_DAYS(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The given date |
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the number of days between the current date and the beginning of the year 0:
SELECT TO_DAYS("2017-06-20");
Result is 736865
Example 2:- Return the number of days that have passed between the current date and the year zero:
SELECT TO_DAYS("2017-06-20 09:34:00");
Result is 736865
MySQL WEEK() Function
The week number for a given date is returned by the WEEK() function (a number from 0 to 53).
Syntax
WEEK(date, firstdayofweek)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date or datetime to extract the week number form |
firstdayofweek |
Optional. Specifies what day the week starts on. Can be one of the following:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Examples
Example 1:- Return the week number for a date:
SELECT WEEK("2017-06-15");
Result is 24
Example 2:- Return the week number for a date:
SELECT WEEK("2017-10-25");
Result is 43
Example 3:- For the current system date, get the week number:
SELECT WEEK(CURDATE());
Result is 52
MySQL WEEKDAY() Function
For a given date, the WEEKDAY() method returns the weekday number.
Note: 0 = Monday, 1 = Tuesday, 2 = Wednesday, 3 = Thursday, 4 = Friday, 5 = Saturday, 6 = Sunday.
Syntax
WEEKDAY(date)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date or datetime to extract the weekday number from |
Technical Details
Works in: | From MySQL 4.0 |
---|
Example
For a given date, return the weekday number:
SELECT WEEKDAY("2017-06-15");
Result is 3
MySQL YEARWEEK() Function
The YEARWEEK() method returns the year and week number for a specified date (a integer between 0 and 53).
Syntax
YEARWEEK(date, firstdayofweek)
Parameter Values
Parameter | Description |
---|---|
date | Required. The date or datetime value to extract the year and week number from |
firstdayofweek |
Optional. The day on which the week begins is specified. One of the following possibilities:
|
Technical Details
Works in: | From MySQL 4.0 |
---|
Example
For a date, return the year and week number:
SELECT YEARWEEK("2017-06-15");
Result is 201724