Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,279 days
From Wednesday, September 16, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays105,913
Weeks and days21,182w 5d
Calendar span405 years, 11 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.