SyntaxDay(date)ParametersParameterTypeDetailsdateany valuerequiredReturnsnumberExampleDay(Today())In the same familyAbsAddDaysAddMonthsAppendAverageContainsCountEndOfMonthFirstFormatDateFormatNumberInIsEmptyIsFormatIsNumberLastLengthLowerMatchesMaxMinMonthNotEmptyNowRenderReplaceRoundSortSplitStartOfMonthStartsWithSumToDateToNumberToTextTodayTrimUpperWeekdayYearPreviousCountNextEndOfMonth