Fuss-Free Browser Apps

Date & Time Difference Calculator

Calculate the exact duration between two date/times, plus a calendar-style (years/months/days) breakdown.

Runs fully in your browser with no logins, no ads, and no tracking — ideal for quick “how long since…” and “how long until…” checks.

Start (local time)

End (local time)

Exclude weekends (Mon–Fri only) Working-hours estimate Workday hours:

Tip: use the “Now” buttons for quick comparisons.

Exact duration uses the precise time difference between Start and End.
Calendar difference (stepped) counts years/months by stepping through real calendar months, then shows remaining days/time.
Exclude weekends and Working-hours estimate are date-based (time-of-day is ignored for these figures).

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