convert excel date number to date js code example
Example 1: excel date to javascript date
excelDateToJSDate(excelDate) {
var date = new Date(Math.round((excelDate - (25567 + 1)) * 86400 * 1000));
var converted_date = date.toISOString().split('T')[0];
return converted_date;
}
Example 2: convert excel date to javascript date
function ExcelDateToJSDate(serial) {
var utc_days = Math.floor(serial - 25569);
var utc_value = utc_days * 86400;
var date_info = new Date(utc_value * 1000);
var fractional_day = serial - Math.floor(serial) + 0.0000001;
var total_seconds = Math.floor(86400 * fractional_day);
var seconds = total_seconds % 60;
total_seconds -= seconds;
var hours = Math.floor(total_seconds / (60 * 60));
var minutes = Math.floor(total_seconds / 60) % 60;
return new Date(date_info.getFullYear(), date_info.getMonth(), date_info.getDate(), hours, minutes, seconds);
}