Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
141,844 days
From Friday, April 30, 1638 to Monday, September 7, 2026.
Monday–Friday weekdays101,316
Weeks and days20,263w 3d
Calendar span388 years, 4 months, 8 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.