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

185,569 days

From Wednesday, August 14, 1518 to Tuesday, September 8, 2026.

Monday–Friday weekdays132,549
Weeks and days26,509w 6d
Calendar span508 years, 25 days

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