js convert date string to timestamp code example

Example 1: convert date to timestamp javascript

//  human date --> timestamp

function toTimestamp(strDate){
   var datum = Date.parse(strDate);
   return datum/1000;
}
alert(toTimestamp('02/13/2009 23:31:30'));

Example 2: timestamp to date javascript

let unix_timestamp = 1549312452
// Create a new JavaScript Date object based on the timestamp
// multiplied by 1000 so that the argument is in milliseconds, not seconds.
var date = new Date(unix_timestamp * 1000);
// Hours part from the timestamp
var hours = date.getHours();
// Minutes part from the timestamp
var minutes = "0" + date.getMinutes();
// Seconds part from the timestamp
var seconds = "0" + date.getSeconds();

// Will display time in 10:30:23 format
var formattedTime = hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);

console.log(formattedTime);

Example 3: convert timestamp to date javascript

javascriptCopyvar timestamp = 1607110465663
var date = new Date(timestamp);

console.log("Date: "+date.getDate()+
          "/"+(date.getMonth()+1)+
          "/"+date.getFullYear()+
          " "+date.getHours()+
          ":"+date.getMinutes()+
          ":"+date.getSeconds());

Example 4: convert timestamp to date js

var date = new Date("2016-07-27T07:45:00Z");
However, you can run into trouble when you do not provide the timezone explicitly!