Time Tools
How old are you exactly? How many days until the deadline, which week is it, and what time is it for your meeting across time zones? The time tools answer the date-and-clock questions that calendars make fiddly — age, durations, countdowns, workdays and world clocks — all computed instantly in your browser.
21 tools, ready when you are
- Age Calculator Calculate exact age in years, months, days from a birth date. Time
- Date Difference Calculator Calculate the number of days, weeks, and months between two dates. Time
- Time Zone Converter Convert a date and time between any two time zones. Time
- Leap Year Checker Check whether any year is a leap year. Time
- Time Duration Calculator Find the duration between two dates and times. Time
- Week Number Calculator Find the ISO 8601 week number for any date. Time
- Day of Week Calculator Find the day of the week for any date. Time
- Date Adder Add or subtract days, weeks, months, and years from a date. Time
- Pomodoro Timer Plan and run a Pomodoro session: focus blocks with short and long breaks, plus a live countdown. Time
- Date Countdown Count the days, weeks, months and years until or since a target date. Time
- Focus Timer A simple countdown focus timer with start, pause and reset — and an optional end-time estimate. Time
- Time Zone Meeting Planner Find a meeting time that works across time zones, with each attendee’s local time shown. Time
- Workday Calculator Count business days between two dates, excluding weekends and holidays. Time
- Stopwatch Count-up stopwatch with lap and split times, plus fastest, slowest and average lap stats. Time
- Epoch Converter Convert Unix timestamps to human-readable UTC dates and back, in seconds or milliseconds. Time
- Military Time Converter Convert military (24-hour) time to 12-hour AM/PM and back, with a full chart. Time
- Moon Phase Calculator Find the moon phase, illumination and age for any date, plus the next new and full moon. Time
- Sunrise & Sunset Calculator Exact sunrise, sunset, solar noon, day length and civil twilight for any date and place. Time
- Easter Date Calculator Western and Orthodox Easter for any year, plus Ash Wednesday, Good Friday and Pentecost. Time
- Time Zone Offset Table Every major time zone's UTC offset right now — with DST status and local times. Time
- Unix Epoch Milestones Countdowns to 2 billion seconds since 1970 and other round numbers — and your own. Time
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