## TIMEDIFF(t,s)

TIMEDIFF(t,s) is a time function that calculates the time value between a start and end time.

Values t and s: When used in a function, the expressions t and s must supply a time value, a time stamp value, or an alphanumeric value that matches the current time or time stamp format. The arguments must have the same data type, in other words, be either a time value or a time stamp value.

| Result of TIMEDIFF(t,s) Function
Positive difference between t and s | Time Value
t or s are time stamp values for alphanumeric values that match the current time stamp format. | The dates in the time stamp value are used to calculate TIMEDIFF(t,s).
Difference of more than 9999 hours | Number of hours modulo 10000
t or s is a NULL value | NULL Value