JavaScript Typescript: Add extra one hour to timestamp

How can I add exta 1hour to a timestamp

for example, 1574620200000 (With Micro Seconds)

this is my date in the format of timestamp, can i add a number with the timestamp to increase time to extra 1 hour.

Answer:1

You could add (60*60*1000) with your time

1 sec = 1000 ms
1 min = 60 sec
1 hr  = 60 min

const t = new Date();
t.setTime(1574620200000+(60*60*1000));

console.log(t)
Answer:2

You can just add 60 * 60 * 1000 ;)

Answer:3

Yes an hour in microseconds is equal to 3600000000, so all you have to do is add that hour in microseconds to the existing time,

var time = 1574620200000;
var hour = 3600000000;
var newTime = time + hour;
Answer:4

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