Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,182 days
From Tuesday, December 22, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays105,844
Weeks and days21,168w 6d
Calendar span405 years, 8 months, 16 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.