Question

How do I get the day of the week from a timestamp in JavaScript?
I’d like to get this from a timestamp I specify, not the current date.

Thanks

Answer 1

var timestamp = 654524560; // UNIX timestamp in seconds
var xx = new Date();
xx.setTime(timestamp*1000); // javascript timestamps are in milliseconds
document.write(xx.toUTCString());
document.write(xx.getDay()); // the Day

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2020 Update

If this browser support is acceptable for you you can use this one liner:

new Date(<TIMESTAMP>).toLocaleDateString('en-US', { weekday: 'long' }); // e.g. Tuesday