Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
180,710 days
From Thursday, December 3, 1531 to Tuesday, September 8, 2026.
Monday–Friday weekdays129,078
Weeks and days25,815w 5d
Calendar span494 years, 9 months, 5 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.