Date & Time calculators
Find the time between the moments.
Count days, check a date, convert time zones or work out a shift's duration. Choose the tool that matches whether you are working with calendar dates or elapsed time.
Browse the calculatorsA place to start
Tools for common questionsAge Calculator
Calculate age and compare the years, months and days between dates.
Open calculator →02 / Date & TimeDate Calculator
Find the interval between two calendar dates in several units.
Open calculator →03 / Date & TimeHours Calculator
Calculate elapsed working time, with explicit overnight handling.
Open calculator →Explore date & time
11 toolsDates & calendars
5Age Calculator
Calculate age and compare the years, months and days between dates.
Date Calculator
Find the interval between two calendar dates in several units.
Day Counter
Find calendar weekdays and the number of days between dates.
Day of the Week Calculator
Find calendar weekdays and the number of days between dates.
Leap Year Calculator
Check a single year or find leap years within a range.
Hours & durations
5Hours Calculator
Calculate elapsed working time, with explicit overnight handling.
Stopwatch
Time an activity, pause the clock and record laps as you go.
Time Calculator
Add or subtract durations.
Time Card Calculator
Calculate elapsed working time, with explicit overnight handling.
Time Duration Calculator
Calculate elapsed working time, with explicit overnight handling.