Hours calculator
Find the difference between two times, or add and subtract hours and minutes from a clock time.
How to use
1. Choose diff, add, or subtract mode.
2. Enter times or durations.
3. Read result as hours and minutes.
Example
Hours calculator
Find the difference between two times, or add and subtract hours and minutes from a clock time.
When to use
• When you need a quick estimate without spreadsheets.
• When you want privacy — calculations stay on your device.