Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
152,419 days
From Monday, May 18, 1609 to Tuesday, September 8, 2026.
Monday–Friday weekdays108,871
Weeks and days21,774w 1d
Calendar span417 years, 3 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.