Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,142 days
From Thursday, December 20, 1590 to Monday, September 7, 2026.
Monday–Friday weekdays113,672
Weeks and days22,734w 4d
Calendar span435 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.