Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
150,004 days
From Sunday, December 27, 1615 to Monday, September 7, 2026.
Monday–Friday weekdays107,146
Weeks and days21,429w 1d
Calendar span410 years, 8 months, 11 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.