Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
129,045 days
From Monday, May 15, 1673 to Monday, September 7, 2026.
Monday–Friday weekdays92,175
Weeks and days18,435w 0d
Calendar span353 years, 3 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.