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

257,316 days

From Thursday, March 12, 1322 to Sunday, September 13, 2026.

Monday–Friday weekdays183,796
Weeks and days36,759w 3d
Calendar span704 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.