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I have the following javascript code that convert date (string) to the Date Serial Number used in Microsoft Excel: function JSDateToExcelDate(inDate) {. var returnDateTime = 25569.0 + ((inDate.getTime() - (inDate.getTimezoneOffset() * 60 * 1000)) / (1000 * 60 * 60 * 24)); return returnDateTime.toString().substr(0,5);
Using moment package, you can easily convert a date string of UTC to a new Date object: const moment = require('moment'); let b = new Date(moment.utc('2014-02-20 00:00:00.000000')); let utc = b.toUTCString(); b.getTime();
30 Ιαν 2018 · Convert any date to UTC timezone (aka "Use The Platform"): // This date uses your local timezone. const date = new Date; // Convert it to the UTC timezone. const utcDate = new Date(date.getTime() - (date.getTimezoneOffset() * 60_000)); I'd still prefer ExcelJS to manage timezones itself.
24 Αυγ 2023 · Date.UTC() returns a time value as a number instead of creating a Date object. When passed a single number, Date.UTC() interprets it as a year instead of a timestamp. If a parameter is outside of the expected range, the UTC() method updates the other parameters to accommodate the value.
Using DateTimeFormat. In basic use without specifying a locale, DateTimeFormat uses the default locale and default options. js. const date = new Date(Date.UTC(2012, 11, 20, 3, 0, 0)); // toLocaleString without arguments depends on the implementation, // the default locale, and the default time zone.
7 Δεκ 2016 · The answer to this question might help if VB scripting is possible, as it brings some Windows system time zone conversion functions into Excel: https://stackoverflow.com/questions/4896116/parsing-an-iso8601-date-time-including-timezone-in-excel.
The Moment JavaScript library provides a convenient way to use dates and timestamps. The Moment-MSDate plug-in converts the format of moments into one preferable for Excel. This is the same format the NOW function returns. The following code shows how to set the range at B4 to a moment's timestamp. JavaScript. Copy.
