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

219,344 days

From Thursday, February 23, 1426 to Wednesday, September 9, 2026.

Monday–Friday weekdays156,674
Weeks and days31,334w 6d
Calendar span600 years, 6 months, 17 days

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