Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,942 days
From Wednesday, May 15, 1624 to Monday, September 7, 2026.
Monday–Friday weekdays104,958
Weeks and days20,991w 5d
Calendar span402 years, 3 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.