Time Calculator
Add, subtract, or find the duration between times
Frequently Asked Questions
Use the 'Add/Subtract' tab to enter a starting time and a duration in hours and minutes, and choose whether to add or subtract it.
Use the 'Duration' tab and enter a start and end time — the calculator shows the total elapsed hours and minutes between them.
The calculator handles this automatically — adding time past midnight rolls over to the next day, and durations spanning midnight are calculated correctly.