Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
131,538 days
From Sunday, July 18, 1666 to Monday, September 7, 2026.
Monday–Friday weekdays93,956
Weeks and days18,791w 1d
Calendar span360 years, 1 month, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.