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

256,401 days

From Tuesday, September 12, 1324 to Sunday, September 13, 2026.

Monday–Friday weekdays183,143
Weeks and days36,628w 5d
Calendar span702 years, 1 day

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