Date & Time Calculator

Calculate the difference between two dates and times, including elapsed days, hours, minutes, and optional seconds.

Time format 24-hour 12-hour

From

From Date

Enter MMDD, MM/DD, or a full date.

From Time

Enter 930 for 09:30 or 1711 for 17:11.

To Date

Enter MMDD, MM/DD, or a full date.

To Time

Enter 930 for 09:30 or 1711 for 17:11.

? = current date or time

Result format Days, Hours, Minutes Hours, Minutes Minutes Include Seconds

Difference