JavaScript
//Clear console
console.clear()
//Get Unix/json date format from date
console.log(new Date("2020-11-20T16:00:00Z").getTime())
1605888000000
//Get date from Unix/json date format
console.log(new Date(1605888000000).toUTCString())
Fri, 20 Nov 2020 16:00:00 GMT