Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,516 days
From Thursday, January 23, 1620 to Monday, September 7, 2026.
Monday–Friday weekdays106,082
Weeks and days21,216w 4d
Calendar span406 years, 7 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.