Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
212,120 days
From Thursday, December 4, 1445 to Wednesday, September 9, 2026.
Monday–Friday weekdays151,514
Weeks and days30,302w 6d
Calendar span580 years, 9 months, 5 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.