change time according to timezone javascript code example
Example 1: javascript set date to timezone
var d = new Date("2020-04-13T00:00:00.000+08:00");
d.toLocaleString('en-US', { timeZone: 'America/New_York' });
Example 2: get browser timezone javascript
Intl.DateTimeFormat().resolvedOptions().timeZone
Example 3: javascript date timezone
const start = Date.now();
console.log('starting timer...');
setTimeout(() => {
const millis = Date.now() - start;
console.log(`seconds elapsed = ${Math.floor(millis/1000)}`);
}, 2000);