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

250,798 days

From Friday, January 15, 1340 to Sunday, September 13, 2026.

Monday–Friday weekdays179,140
Weeks and days35,828w 2d
Calendar span686 years, 7 months, 29 days

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