Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
201,882 days
From Monday, December 15, 1473 to Wednesday, September 9, 2026.
Monday–Friday weekdays144,202
Weeks and days28,840w 2d
Calendar span552 years, 8 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.