Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
183,620 days
From Saturday, December 15, 1523 to Tuesday, September 8, 2026.
Monday–Friday weekdays131,157
Weeks and days26,231w 3d
Calendar span502 years, 8 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.