Subtract 5.000001 seconds and return the resulting datetime.
| SELECT SUBTIME(“2017-06-15 10:24:21.000004”, “5.000001”); | 
The SUBTIME() function subtracts a specified time interval from a time or datetime expression and returns the resulting time or datetime.
| SUBTIME(datetime, time_interval) | 
| Parameter | Description | 
| datetime | Required: The time or datetime to be adjusted | 
| Time_interval | Required: The time interval to subtract from the datetime. Both positive and negative values are permitted. | 
| Works in: | From MySQL version 4.0 | 
Subtract 3 hours, 2 minutes, and 5.000001 seconds and return the resulting datetime.
| SELECT SUBTIME(“2017-06-15 10:24:21.000004”, “3:2:5.000001”); | 
Subtract 5 seconds and return the resulting time.
| SELECT SUBTIME(“10:24:21”, “5”); | 
Subtract 3 minutes from a time and return the resulting time.
| SELECT SUBTIME(“10:24:21”, “300”); | 
Add 3 hours, 2 minutes, and 5 seconds to a time and return the resulting time.
| SELECT SUBTIME(“10:24:21”, “-3:2:5”); |