Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,518 days
From Tuesday, January 21, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays106,084
Weeks and days21,216w 6d
Calendar span406 years, 7 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.