MySQL ADDDATE() Function
Example
Add 10 days to a date and return the date:
  SELECT ADDDATE("2017-06-15", INTERVAL 10 DAY);
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Definition and Usage
The ADDDATE() function returns a date after a certain time/date interval has been added.
Syntax
  ADDDATE(date, INTERVAL value unit)OR:
  ADDDATE(date, days)Parameter Values
| Parameter | Description | 
|---|---|
| date | Required. The date to be modified | 
| days | Required. The number of days to add to date | 
| value | Required. The value of the time/date interval to add. You can specify positive and negative values for this parameter | 
| unit | Required. The unit type of the interval. Can be one of the following 
    values: 
 | 
Technical Details
| Works in: | MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23 | 
|---|
More Examples
Example
Add 15 minutes to a date and return the date:
SELECT ADDDATE("2017-06-15 09:34:21", INTERVAL 15 MINUTE);
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Example
Subtract 3 hours to a date and return the date:
SELECT ADDDATE("2017-06-15 09:34:21", INTERVAL -3 HOUR);
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Example
Subtract 2 months to a date and return the date:
SELECT ADDDATE("2017-06-15", INTERVAL -2 MONTH);
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