Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

248,661 days

From Saturday, November 20, 1345 to Saturday, September 12, 2026.

Monday–Friday weekdays177,615
Weeks and days35,523w 0d
Calendar span680 years, 9 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.