Unix Timestamps in JavaScript

Using Unix timestamps in JavaScript is easy. You can use Unix timestamps in JavaScript with the Date() object.

Get current Unix timestamp with JavaScript

             
            function getTimestampInSeconds () {
              return Math.floor(Date.now() / 1000)
            }
            console.log("Current Unix time is: "+getTimestampInSeconds())
            
        

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Convert any date to a unix timestamp with JavaScript

             
            var date = '2023-01-01T00:00:00.000Z';
            var timestamp = Math.floor(new Date(date).valueOf()/1000);
            console.log(date+" written as Unix timstamp is: "+timestamp)
            
        

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Convert Unix timestamp to date with JavaScript

            
            var timestamp = 1691611275
            var date = new Date(timestamp * 1000);
            console.log("Date: "+date.toLocaleString())
            
        

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