... To solve this problem, one must store the entire time zone database and whenever date or time data is retrieved from the Date object, find the date … You can always be specific and say something like: 3:00 PM Eastern Standard Time. Time zone conversion is notoriously confusing. Next: Write a JavaScript function to find whether or not the date is in daylights savings time. The browser doesn't have the concept of a timezone available, just an offset. Improve this sample solution and post your code through Disqus. I can feed moment the zone offset like so moment().zone(300) and now my time will be scoped to the right timezone, right? If you want a datetime string set to some other date & time (not the current time), pass an appopriate parameter to the Date object. When passing a date string without setting a time zone, JavaScript assumes the date/time are in UTC before converting it to your browser's time zone: const exactBirthdate = new Date('6/13/2018 06:27:00'); console.log(exactBirthdate) // Wed Jun 13 2018 06:27:00 GMT+0900 (Korean Standard Time) Concatenate datetime and timezone offset to get an ISO-8601 datetime string. Then leave it up to whoever is reading to convert it to their local time. It stores the date, time and provides methods for date/time management. The time-zone offset is the difference, in minutes, from local time to UTC. JavaScript and IANA Time Zone Database. For instance, we can use it to store creation/modification times, to measure time, or just to print out the current date. Let’s meet a new built-in object: Date. To create a new Date object call new Date() with one of the following arguments: new Date() See the Pen JavaScript - Get Timezone-date-ex-37 by w3resource (@w3resource) on CodePen. The JavaScript Date object is useful for checking the date and time a visitor arrives at your website. var today = new Date(); See Several ways to create a Date object for more. But it can be nice to localize the time for the reader. We can run some code like so new Date().getTimezoneOffset() and on my computer I get back an offset of 300. Every Time Zone is a great site for that. Next, find the local time zone offset with the Date() object's getTimezoneOffset() method. I think you try moment.js http://momentjs.com/timezone/docs/ For example, for time zone UTC+10:00 (Australian Eastern Standard Time, Vladivostok Time, Chamorro Standard Time), -600 … This provides output in UTC timezone. Perfect! Why do not you use a library for that? Creation. Setting a time zone. Previous: Write a JavaScript function to get seconds with leading zeros (00 through 59). This guide will walk you through using JavaScript to get the current date and time from a client. 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