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

53,594 days

From Thursday, December 11, 1879 to Saturday, September 5, 2026.

Monday–Friday weekdays38,281
Weeks and days7,656w 2d
Calendar span146 years, 8 months, 25 days

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