Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
195,518 days
From Monday, May 18, 1491 to Tuesday, September 8, 2026.
Monday–Friday weekdays139,656
Weeks and days27,931w 1d
Calendar span535 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.