

DayCount
Details and Options


- Dates can be specified in the following forms:
-
DateObject[…] date object {y,m,d} year, month, day {y,m} the first day of the specified month {y} the first day of the first month of the year y "string" date as a string ("Jan. 1, 2000") - Possible day types are:
-
All any calendar date (default) "Weekday" date considered a weekday "Weekend" date considered a weekend "Holiday" holiday according the HolidayCalendar "NonHoliday" date that is not a holiday "BusinessDay" non-holiday weekday "NonBusinessDay" holiday or weekend "WeekdayHoliday" holiday on a weekday "WeekendHoliday" holiday on a weekend "WeekendNonHoliday" non-holiday weekend Monday, Tuesday, … a specific day of the week "EndOfMonth" final day of a given month "BeginningOfMonth" first day of a given month - DayCount excludes the beginning date of the date range.
- DayCount takes the following options:
-
CalendarType Automatic calendar in which the dates have been specified HolidayCalendar {"UnitedStates","Default"} holiday schedule and subspecification for the business day and holiday computations - In the Jewish calendar, the weekdays are Sunday through Thursday.
Examples
open all close allBasic Examples (4)
Scope (2)
Options (3)
Applications (1)
Related Guides
Text
Wolfram Research (2012), DayCount, Wolfram Language function, https://reference.wolfram.com/language/ref/DayCount.html (updated 2025).
CMS
Wolfram Language. 2012. "DayCount." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2025. https://reference.wolfram.com/language/ref/DayCount.html.
APA
Wolfram Language. (2012). DayCount. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/DayCount.html
BibTeX
@misc{reference.wolfram_2025_daycount, author="Wolfram Research", title="{DayCount}", year="2025", howpublished="\url{https://reference.wolfram.com/language/ref/DayCount.html}", note=[Accessed: 06-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_daycount, organization={Wolfram Research}, title={DayCount}, year={2025}, url={https://reference.wolfram.com/language/ref/DayCount.html}, note=[Accessed: 06-August-2025]}