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

245,839 days

From Sunday, August 12, 1353 to Saturday, September 12, 2026.

Monday–Friday weekdays175,600
Weeks and days35,119w 6d
Calendar span673 years, 1 month

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