MySQL SUBTIME() Function

Subtime() function in MySQL; Through this tutorial, i am going to show you how to subtract date, time, fraction seconds, etc. from given datetime / time value using the MySQL subtime() function.

MySQL SUBTIME() function

The SUBTIME() function subtracts time from a time/datetime expression and then returns the new time/datetime.

Syntax of MySQL SUBTIME() function

The syntax of subtime() function is following:

 SUBTIME(expression1,  expression2)

Here,

  • expression1:- can be either a time or DateTime expression
  • expression2 is a time expression.

Example 1 – MySQL SUBTIME() function

Let’s take an example using the MySQL subtime() function; as follows:

SELECT SUBTIME('11:35:00', '1:05');

The output of the above query is:

 +--------------------------------+
 |  SUBTIME('11:35:00', '1:05')   |
 +--------------------------------+
 | 10:30:00                       |
 +--------------------------------+

Example 2 – Subtract Seconds In Time Value

Let’s subtract a number of seconds from the time value using the subtime() function; as follows:

SELECT SUBTIME('11:35:00', '1:05:30');

The output of the above query is:

 +--------------------------------+
 | SUBTIME('11:35:00', '1:05:30') |
 +--------------------------------+
 |  10:29:30                      |
 +--------------------------------+

Example 3 – Subtract Fractional Seconds In Time Value

Let’s subtract a number of fractional seconds from the time value using the subtime() function; as follows:

SELECT SUBTIME('12:35:00.888888', '1:30:30.555555'); 

The output of the above query is:

 +----------------------------------------------+
 | SUBTIME('11:40:00.888888', '2:40:20.444444') |
 +----------------------------------------------+
 | 08:59:40.444444                              |
 +----------------------------------------------+

Example 4 – Subtract Time from a DateTime Value

Let’s subtract time value from datetime value using the subtime() function; as follows:

SELECT SUBTIME('2020-01-04 11:40:00', '2:40:40');

The output of the above query is:

 +-------------------------------------------+
 | SUBTIME('2020-01-04 11:40:00', '2:40:40') |
 +-------------------------------------------+
 | 2020-01-04 08:59:20                       |
 +-------------------------------------------+

Conclusion

Subtime() function in MySQL; Through this tutorial,you have learned how to subtract date, time, fraction seconds, etc. from given datetime / time value using the MySQL subtime() function.

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