Time & Date

Enter a future date and time to see a live countdown in days, hours, minutes and seconds.

Find the exact number of years, months, days and weeks between any two dates.

Convert a time from one time zone to another, with daylight saving handled automatically.

Count working days between two dates, excluding weekends and UK bank holidays.

See how many days, weeks and months remain until a future date — or how long ago a past date was.

A simple browser stopwatch with start, stop, lap and reset — accurate to the millisecond.

Find the ISO 8601 week number for any date, or look up which dates a given week covers.

Convert between Unix timestamps and human-readable dates — supports seconds and milliseconds.