How to convert DateTime to UTC in TypeScript/JavaScript while preserving the original date and time

Consider the following example:

var testDate = new Date("2021-05-17T00:00:00"); // this represents local date and time

I am looking to convert this given Date into UTC format without altering the original date and time value. Essentially, 2021-05-17T00:00:00 should be recognized as a UTC date and time, while still being displayed in the browser as my local time which is 2021-05-17T05:45:00 (based on my current timezone).

Answer №1

To show that an ISO date is in the UTC timezone, simply add Z at the end.

Tested and confirmed:

let exampleDate = new Date("2021-05-17T00:00:00Z");

Answer №2

To specify a date in the ISO format within the UTC timezone, simply add Z at the end of the string.

Here's an example:

let exampleDate = new Date("2022-03-08T12:00:00Z");

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