Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
180,542 days
From Sunday, December 29, 2520 to Tuesday, September 8, 2026.
Monday–Friday weekdays128,958
Weeks and days25,791w 5d
Calendar span494 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.