Months and years are averages
Months run from 28 to 31 days and years have 365 or 366 days. This converter uses Gregorian averages: 1 year = 365.2425 days and 1 month = 1/12 of that, about 30.44 days.
- 1 day = 24 hours = 1,440 minutes = 86,400 seconds
- 1 week = 168 hours = 604,800 seconds
- One million seconds ≈ 11.6 days and one billion seconds ≈ 31.7 years