如何获得正确的日期（从我的时区）？

Question

I'm trying to build this code that would convert my current date into a URL path:

var d = new Date();
var month = String(d.getMonth() + 1);
var day = String(d.getDate());
if (month.length < 2) month = '0' + month;  
if (day.length < 2) day = '0' + day;
var year = String(d.getFullYear());
var path = year + "/" + month + "/" + day + "/"+ year + month + day + ".html";

resolve(path);

When run, the code works but it sometimes returns a URL from the following day . I'm guessing this has to do with timezones: my timezone is -3 and I'm guessing the code runs UTC? Does that make sense? How can I solve this?

Thank you very much for your help!

Answer 1

You can easily do this using Luxon

const dt = luxon.DateTime.fromObject({zone: 'America/Chicago'});

dt.toLocaleString();

Answer 2

You can take guesswork out of date calculation by getting UTC data. Use something like this -

var d = new Date();
var month = String(d.getUTCMonth() + 1);
var day = String(d.getUTCDate());
if (month.length < 2) month = '0' + month;  
if (day.length < 2) day = '0' + day;
var year = String(d.getUTCFullYear());
var path = year + "/" + month + "/" + day + "/"+ year + month + day + ".html";

resolve(path);

This way, all you calculations will be with respect with UTC and you'll always get exact date irrespective of your timezone or daylight saving.