The Date Calculator adds or subtracts days, weeks, months and years from a given date.

The Duration Calculator calculates the number of days, months and years between two dates.

The Time Duration Calculator will calculate the time that has elapsed/difference between two dates with time.

Add or subtract any number of days to/from a date, taking into account public holidays in your country and weekends.

Business Days Calculator counts the number of days between two dates, with the option of excluding weekends and public holidays.

Online stopwatch. Easy to use and accurate stopwatch with lap times and alarms. Optional split intervals and alarm sound.

Date Calculators Duration Between Two Dates – Calculates number of days Time and Date Duration – Calculate duration, with both date and time included Date Calculator – Add or subtract days, months, …

The timeanddate.com Time Zone Map gives an overview of current local times around the world. It takes into account daylight saving time (DST) changes worldwide.

Print a calendar with holidays for 2026 or any year. Add holidays or events, and use our monthly, weekly, or daily calendar templates.

Calculate moonrise and moonset times, Moon direction, as well as the altitude, distance and when the moon passes the meridian.