Question

139

node.js timezone independent Date.now()

rated 0 times [ 144] [ 5] / answers: 1 / hits: 19214 / 11 Years ago, mon, august 26, 2013, 12:00:00

What is a common way to sync timeStamps across servers and clients in node.js, not dependent on timezone?

e.g., a Date.now() equivalent that would provide the same time on the server and client.
Preferably without any node.js modules, or client side libraries.

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ravenl

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answered 11 Years ago robertjaysona · Accepted Answer

JavaScript timestamps are always based in UTC:

Time is measured in ECMAScript in milliseconds since 01 January, 1970 UTC.

Date strings from different timezones can have the same timestamp.

var a = 2013-08-26 12:00 GMT-0800;

var b = 2013-08-27 00:00 GMT+0400;



console.log(Date.parse(a) === Date.parse(b)); // true

console.log(Date.parse(a)); // 1377547200000

console.log(Date.parse(b)); // 1377547200000

And, Date.now() should return relatively similar values across systems.