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

244,135 days

From Wednesday, April 12, 1358 to Saturday, September 12, 2026.

Monday–Friday weekdays174,382
Weeks and days34,876w 3d
Calendar span668 years, 5 months

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