Is Date weekend/holiday What it does Tests wether a date is a weekend date and/or a holiday (based on those that are input via the designer). Available from version 11968. First setup Just make sure that you maintain the list of holidays (in the designer). How to invoke Make an http request to main?command=com.tsnocode.codeunit.frontend.TestDate&Date=[DATE] This will return a json object. { "date": "2026-05-14", "isHoliday": true, "isWeekend": false, "error": false, "holidayName": "Kristihimmelfart" } If error is true, then a message ( msg ) will also be available. If isHoliday is true, then a holidayName should also be returned. (As of version 12007) Developer info Type: [Type+link] Security: [eg. requires admin or session] Classpath: [full class path]