Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
181,077 days
From Monday, December 1, 1530 to Tuesday, September 8, 2026.
Monday–Friday weekdays129,341
Weeks and days25,868w 1d
Calendar span495 years, 9 months, 7 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.