Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
258 days
From Friday, December 19, 2025 to Thursday, September 3, 2026.
Monday–Friday weekdays184
Weeks and days36w 6d
Calendar span8 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.