Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,763 days
From Saturday, August 7, 1627 to Monday, September 7, 2026.
Monday–Friday weekdays104,116
Weeks and days20,823w 2d
Calendar span399 years, 1 month
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.