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

184,538 days

From Friday, June 10, 1521 to Tuesday, September 8, 2026.

Monday–Friday weekdays131,812
Weeks and days26,362w 4d
Calendar span505 years, 2 months, 29 days

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