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

46,290 days

From Sunday, December 10, 1899 to Saturday, September 5, 2026.

Monday–Friday weekdays33,065
Weeks and days6,612w 6d
Calendar span126 years, 8 months, 26 days

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