Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,152 days
From Monday, December 10, 1590 to Monday, September 7, 2026.
Monday–Friday weekdays113,680
Weeks and days22,736w 0d
Calendar span435 years, 8 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.