Question

How to add 1 hour to a date in JavaScript

Answer 1

var one_hour = 60 * 60 * 1000; // ms
  
let d = new Date(2020, 5,20, 10, 42, 33);

console.log(d); 

d = new Date(d.getTime() + one_hour)       

console.log(d); 
  
  
  
/*
run:

Sat Jun 20 2020 10:42:33 GMT+0300 (Israel Daylight Time)
Sat Jun 20 2020 11:42:33 GMT+0300 (Israel Daylight Time)
  
*/

 

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