DatePilot — Date, Calendar, and Time Tools
DatePilot offers free date calculators, calendar tools, and time utilities. Calculate dates, age, working days, week numbers, and time zones, and read the explanation behind every result.
This site needs JavaScript for its calculators. The main sections are:
- Date calculators — date calculator, age calculator, days between dates, working days, add or subtract days
- Calendar tools — day of the week, ISO week number, leap year, quarter, day of year
- Time tools — countdown, time since, time difference, time zone converter, work hours
- Date format converter — ISO 8601, US, and European formats
- Guides — how date calculations, calendars, and time zones work
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