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

249,614 days

From Friday, April 12, 1343 to Saturday, September 12, 2026.

Monday–Friday weekdays178,295
Weeks and days35,659w 1d
Calendar span683 years, 5 months

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