Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
127,006 days
From Wednesday, December 14, 1678 to Monday, September 7, 2026.
Monday–Friday weekdays90,718
Weeks and days18,143w 5d
Calendar span347 years, 8 months, 24 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.