How much time is between two dates? This time duration calculator shows the years, months, days, hours, and minutes between any two dates and times you enter.
Time duration calculator
The calculator updates in real-time as you type. Enter a start date/time and end date/time to see the exact duration between them, broken down into years, months, days, hours, and minutes.
Quick reference: common durations
| Duration | Days | Hours |
|---|---|---|
| 1 month | ~30 days | ~720 hours |
| 90 days | 90 days | 2,160 hours |
| 6 months | ~182 days | ~4,380 hours |
| 1 year | 365 days | 8,760 hours |
| 1,000 days | 1,000 days | 24,000 hours |
| 5 years | 1,826 days | 43,830 hours |
| 10 years | 3,652 days | 87,660 hours |
Features
- Precise to the minute - includes the hours and minutes, not just the days
- Works in either direction - dates can be in any order
- Leap year aware - correctly handles February 29th
- Multiple formats - see total days, weeks, hours, and minutes
Is midnight AM or PM?
By convention, 12:00 AM is midnight (start of day) and 12:00 PM is noon (middle of day). The calculator uses 24-hour time input to avoid confusion.
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