Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
201,411 days
From Wednesday, March 31, 1475 to Wednesday, September 9, 2026.
Monday–Friday weekdays143,865
Weeks and days28,773w 0d
Calendar span551 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.