Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
187,541 days
From Friday, March 21, 1513 to Tuesday, September 8, 2026.
Monday–Friday weekdays133,957
Weeks and days26,791w 4d
Calendar span513 years, 5 months, 18 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.