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

201,085 days

From Sunday, February 20, 1476 to Wednesday, September 9, 2026.

Monday–Friday weekdays143,633
Weeks and days28,726w 3d
Calendar span550 years, 6 months, 20 days

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