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

5,017 days

From Wednesday, December 12, 2012 to Monday, September 7, 2026.

Monday–Friday weekdays3,583
Weeks and days716w 5d
Calendar span13 years, 8 months, 26 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.