Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
139,319 days
From Wednesday, March 29, 1645 to Monday, September 7, 2026.
Monday–Friday weekdays99,513
Weeks and days19,902w 5d
Calendar span381 years, 5 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.