Question 185545 in Javascript Question posted in
A very good W3school tutorial can be found here.

Convert Time value to Unix Timestamp with Microsecond accuracy in Javascript

I have Time value like this :

const timeValue = new Date('2023-06-13T12:34:56.789123Z');

I need to convert this data to Unix Timestamp with Microseconds precisions, but method Date.getTime() only support Millisecond. What should I do to solve this issue?

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2

Answers


  1. 0

    You can use this package: https://www.npmjs.com/package/microseconds if you are using node.

    It uses process.hrtime() or performance.now() if available. You can also do this yourself by using these functions but the package already does the necessary calculations. Be aware, that both these possible functions may not be available sometimes. In these cases, the package will simply fall back to Date.now()*1000.

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  2. 0 
    // Obtain time value (e.g., Date object, date string, or numeric value)
const timeValue = Date.parse('2023-06-13T12:34:56.789Z');

// Convert time value to Unix timestamp with microsecond accuracy
const unixTimestampMicro = timeValue / 1000 * 1000000;

console.log(unixTimestampMicro);
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