Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,066 days
From Saturday, April 17, 1621 to Monday, September 7, 2026.
Monday–Friday weekdays105,761
Weeks and days21,152w 2d
Calendar span405 years, 4 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.