Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,242 days
From Wednesday, June 14, 1645 to Monday, September 7, 2026.
Monday–Friday weekdays99,458
Weeks and days19,891w 5d
Calendar span381 years, 2 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.