Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
160,238 days
From Sunday, December 20, 1587 to Monday, September 7, 2026.
Monday–Friday weekdays114,456
Weeks and days22,891w 1d
Calendar span438 years, 8 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.