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

54,258 days

From Friday, February 15, 1878 to Saturday, September 5, 2026.

Monday–Friday weekdays38,755
Weeks and days7,751w 1d
Calendar span148 years, 6 months, 21 days

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