Date Difference Calculator
Calculate the time between two dates in multiple units.
Common Time Periods
| Period | Days | Hours |
|---|---|---|
| 1 Week | 7 | 168 |
| 1 Month (avg) | 30.44 | 730.5 |
| 1 Quarter | 91 | 2,184 |
| 1 Year | 365 | 8,760 |
| Leap Year | 366 | 8,784 |
| 1 Decade | 3,652 | 87,648 |
Fun Facts About Time
- 1 million seconds = about 11.5 days
- 1 billion seconds = about 31.7 years
- 10,000 days = about 27.4 years
- The average human lifespan is about 27,375 days (75 years)
- A year on Mars is 687 Earth days