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MySQL - difference between two datetimes

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Created by:
Khloe-Kaiser
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In this article, we would like to show you how to calculate the difference between two datetimes in MySQL.

Quick solution:

-- SELECT TIMEDIFF('to_time','from_time');
SELECT TIMEDIFF('YYYY-MM-DD HH:MM:SS','YYYY-MM-DD HH:MM:SS');

Where:

  • YYYY - four-digit year format, e.g. 2021,
  • MM - month number (counted from 01 to 12),
  • DD - day number (from 01 to 31 - depending on month),
  • HH - hour number (from 00 to 24),
  • MM - minute number (from 00 to 59),
  • SS - second number (from 00 to 59).

 

Practical example

In this example, we will calculate the difference between two datetimes using TIMEDIFF() function.

Query:

SELECT TIMEDIFF('2021-01-09 09:00:00','2021-01-08 08:00:00') AS 'time difference';

Result:

MySQL - result of computing the difference between two datetimes
MySQL - result of computing the difference between two datetimes (25h)

Note:

If you only want to calculate the difference between days (dates), go to this article.

Related posts

MySQL - dates

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