DAY
function DAY(arg1: number = null): numberDescription
Returns the day of the date given in the numerical format, a number from 1 to 31.
Parameters
- arg1
numberdefault: null A number in the date-time code.
Returns
numberTry It
const oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
var ans = oFunction.DAY("2018/3/16");
oWorksheet.GetRange("C1").SetValue(ans);