Date Difference Calculator
Measure the span between two dates in years, months and days plus total days, weeks and weekday count.
Example values are shown — change any of them and the answer updates live.
2024-01-3130 days2024-03-01
Calendar days
30
2024-01-31 → 2024-03-01
4 weeks 2 days — 1 month 1 day
years / months / days0 / 1 / 1
months / days1 / 1
Weekdays (Mon–Fri)22
Weeks / days4 / 2
How it works
Calendar days use UTC dates (no time-zone drift). The month breakdown anchors on the calendar month: Jan 31 + 1 month = Feb 29 (clamped), plus 1 day. Weekdays count Mon–Fri.
Computed exactly from calendar dates (UTC) — no estimation involved.