Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
180,909 days
From Monday, May 18, 1531 to Tuesday, September 8, 2026.
Monday–Friday weekdays129,221
Weeks and days25,844w 1d
Calendar span495 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.