Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
153,606 days
From Wednesday, February 15, 1606 to Monday, September 7, 2026.
Monday–Friday weekdays109,718
Weeks and days21,943w 5d
Calendar span420 years, 6 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.