Days Calculator

Compare dates with calendar-day, inclusive-day, weekday, week, and direction-aware results.

Start date

End date

Count both start and end date

Keep direction (negative when end is earlier)

—Calendar days

—Weeks + days

—Mon–Fri days

—Direction

—Choose two dates.

Core timing workflows

Start with a direct timer, stopwatch, alarm or focus workflow. Calendar, date arithmetic, clocks and scheduling specialists remain available from the full Date & Time hub.

All 76 date & time tools

Online TimerCountdown, sound, repeat & fullscreen StopwatchLaps, precision & fullscreen Countdown TimerFocused countdown workflow Alarm ClockAlarm at a local clock time PomodoroFocus and break cycles Interval TimerWork/rest rounds Presentation TimerTalk timing with warnings Classroom TimerProjector-friendly countdown

Range-counting semantics

The inclusive option changes the number of calendar dates counted; it does not change the underlying elapsed-day distance. Weekday totals use Monday–Friday only.