Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,490 days
From Tuesday, February 18, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays106,064
Weeks and days21,212w 6d
Calendar span406 years, 6 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.