Date and time difference
Time between two dates in days, weeks, hours and working days, and adding or subtracting time.
Add or subtract time
Runs in your browser. Nothing you type is sent to the server.
About this tool
Enter a start and an end to see the gap in every common unit, including working days (Monday to Friday, without public holidays). Use the second part to add or subtract days, hours and minutes, for example to find the end of a 72-hour change freeze or a 90-day retention period. Times use your own time zone.