freeCodeCamp/guide/english/javascript/get-timestamp/index.md

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Get Timestamp

You can use Date.now() to get the current timestamp in milliseconds.

You can easily convert the timestamp to seconds like this: Math.floor(Date.now() / 1000)

If your browser does not support Date.now(), you can use new Date().getTime() to get the timestamp in milliseconds.

Unix Timestamp is number of seconds elapsed since 01/01/1970, 00:00:00 UTC. The Unix timestamp will break on 01/19/2038.