Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
185,361 days
From Monday, March 10, 1519 to Tuesday, September 8, 2026.
Monday–Friday weekdays132,401
Weeks and days26,480w 1d
Calendar span507 years, 5 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.