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

45,312 days

From Friday, August 15, 1902 to Saturday, September 5, 2026.

Monday–Friday weekdays32,365
Weeks and days6,473w 1d
Calendar span124 years, 21 days

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