Date & Time Tools

Tools to calculate and convert dates, times and calendars accurately.

About Date & Time Tools

Calculators for dates, durations and time zones that handle the awkward cases: leap years, months of different lengths, overnight shifts and daylight saving.

Find your exact age, the days or working days between two dates, or the date a number of days from now. Add up hours and time cards with breaks and overtime, convert times between cities or Unix timestamps to dates, and count down to any date with a shareable link. Week numbers, the day of the week for any date, and your last working day under a notice period are here too.