Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

62,367 days

From Tuesday, December 4, 1855 to Saturday, September 5, 2026.

Monday–Friday weekdays44,548
Weeks and days8,909w 4d
Calendar span170 years, 9 months, 1 day

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.