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

256,309 days

From Wednesday, December 13, 1324 to Sunday, September 13, 2026.

Monday–Friday weekdays183,077
Weeks and days36,615w 4d
Calendar span701 years, 9 months

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