Mysql Hour Difference. The mysql timediff function returns the difference between two time or datetime values. Timediff function mysql timediff returns the differences between two time or datetime expressions.
Select timestampdiff hours 2023 09 20 12 30 15 2023 09 01 10 15 00 as difference. The range of time values may be larger than 23. The timediff function returns the difference between two time datetime expressions.
Timediff expr1 expr2 where expr1 and expr2 are the two values to compare.
The way it works is you provide the two values to compare and timediff subtracts the second value from the first then returns the result as a time value. Time1 and time2 should be in the same format and the calculation is time1 time2. Furthermore as you can see from the above two examples when looking for the difference in two datetime expressions the mysql datediff hours is not a reliable solution. The syntax goes like this.
