Function Reference

ADDDATE

Adds a time interval or a number of days to a date.

MySQL 8.4
ADDDATE(date, INTERVAL expr unit | days)
  • a | bone of the options
date
Source date or datetime
DATE
INTERVAL expr unit
Interval to add, for example INTERVAL 7 DAY
expr
How many units to add
unit
Interval unit
Keyword
MICROSECONDSECONDMINUTEHOURDAYWEEKMONTHQUARTERYEARSECOND_MICROSECONDMINUTE_MICROSECONDMINUTE_SECONDHOUR_MICROSECONDHOUR_SECONDHOUR_MINUTEDAY_MICROSECONDDAY_SECONDDAY_MINUTEDAY_HOURYEAR_MONTH
days
Number of days, a short form instead of INTERVAL
INT

Return value

A date if days or larger units are added to a date, otherwise a datetime; if the month has no such day, its last day is used

Examples

Ten days added to a date

MySQL 8.4
SELECT ADDDATE('2022-06-16', INTERVAL 10 DAY) AS new_date;
new_date
2022-06-26

Short form with days

MySQL 8.4
SELECT ADDDATE('2022-06-16', 10) AS new_date;
new_date
2022-06-26

Compound interval unit

MySQL 8.4
SELECT ADDDATE(
		'2022-06-16 10:00:00',
		INTERVAL '1:30' HOUR_MINUTE
	) AS new_date;
new_date
2022-06-16 11:30:00

Details

Instead of the function, you can add or subtract an interval with an operator: date + INTERVAL 7 DAY. PostgreSQL has no such function: a date is shifted with the same operator, but the interval is written as a string: date + INTERVAL '7 days'.

Compound unitFormat of the expr stringExample
SECOND_MICROSECONDseconds.microseconds'10.000500'
MINUTE_MICROSECONDminutes:seconds.microseconds'5:10.000500'
MINUTE_SECONDminutes:seconds'5:10'
HOUR_MICROSECONDhours:minutes:seconds.microseconds'2:05:10.000500'
HOUR_SECONDhours:minutes:seconds'2:05:10'
HOUR_MINUTEhours:minutes'1:30'
DAY_MICROSECONDdays hours:minutes:seconds.microseconds'1 2:05:10.000500'
DAY_SECONDdays hours:minutes:seconds'1 2:05:10'
DAY_MINUTEdays hours:minutes'1 2:05'
DAY_HOURdays hours'1 12'
YEAR_MONTHyears-months'1-6'

See also