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

256,951 days

From Friday, March 12, 1323 to Sunday, September 13, 2026.

Monday–Friday weekdays183,535
Weeks and days36,707w 2d
Calendar span703 years, 6 months, 1 day

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