Date & Time Tools

Convert Unix timestamps to human dates.

Convert Unix epoch to date and back.

Days, weeks, months between two dates.

Add or subtract days from a date.

Countdown days from today to a target.

Find the ISO week number for a date.

Live countdown to any date and time.

Precise stopwatch with millisecond display.

Convert a time across major time zones.

Convert seconds into hours, minutes, seconds.

Convert hours/minutes/seconds to total seconds.

Count business days between two dates.

See exactly how many days you've been alive.

Get the day-of-year number for any date.

Check whether a year is a leap year.

Format any date with a custom template.

Live clock across major world time zones.

Convert an ISO 8601 string to a readable date.

Convert a local date into ISO 8601 format.

Convert total minutes into hours and minutes.

Convert milliseconds into h:m:s.ms.

Show the current Unix timestamp in seconds and ms.

Add a number of months to any date.

Subtract months from any date.

Find which weekday any date falls on.

Count Mon–Fri days between two dates.

Calculate exactly how many hours old you are.

Calculate your age in total minutes.

Calculate your age in total seconds.

Find the next occurrence of any weekday.

Find the previous occurrence of any weekday.

Find the hour offset between two IANA time zones.

Compute the date of Easter Sunday for any year.

Convert a date to its Julian day number.

Find which calendar quarter a date belongs to.

Find the fiscal quarter for any date.

Convert any Unix timestamp to readable date.

Convert ISO date to seconds/milliseconds.

View one date in ISO, US, EU and long formats.

Find how many days are in any month/year.

Check whether any year is a leap year.

Generate a printable monthly calendar.

Pomodoro timer.

Pomodoro timer.

Browser stopwatch.

Browser stopwatch.

Convert seconds to h:m:s.

Convert time between time zones.

Convert time between time zones.

Show current time in major time zones.