Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
182,875 days
From Tuesday, December 29, 1525 to Tuesday, September 8, 2026.
Monday–Friday weekdays130,625
Weeks and days26,125w 0d
Calendar span500 years, 8 months, 10 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.