Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,873 days
From Monday, December 19, 1588 to Monday, September 7, 2026.
Monday–Friday weekdays114,195
Weeks and days22,839w 0d
Calendar span437 years, 8 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.