Calculate duration between two dates with time

This service calculates the duration, counting the number of years, months, days, hours, minutes and seconds between two moments in time. If you only need the day count, without hours/minutes/seconds fields, please see the Date duration calculator instead.

Help and example use

• How to use the Time Duration Calculator
• Some typical uses for the date calculators

Date Calculators

• Duration Between Two Dates – Calculates number of days
• Date calculator – add or subtract days, months, years
• Birthday calculator – Find when you are 1 billion seconds old

Related links

• Date/calendar related services – overview
• Calendar Generator – Create a calendar for any year
• The World Clock – Current time all over the world
• Countdown to any date