The GMT timezone values comes from the DB in this format: 1. JavaScript provides native methods and modern APIs to simplify this task, but challenges like daylight saving time, timezone offsets, and formatting can still cause issues. Dec 6, 2025 · JavaScript, as a client-side and server-side language, offers several methods to retrieve UTC offsets from timezones—but navigating these methods can be confusing due to differences in APIs, daylight saving time (DST) rules, and legacy vs. Oct 29, 2025 · Learn to get timezone offset in JavaScript using getTimezoneOffset method for timezone-aware date calculations and conversions. " Is that even possible from JavaScript or is that something I am going to have to Feb 2, 2024 · We can get the timezone and its offset using the Date() function along with the slice(), getTimezoneOffset(), and DateTimeFormat() function in JavaScript. I get the users offset with new Date(). In essence, the timezone offset is the offset from UTC time, at the time represented by the Date object and at the location of the host environment. getTimezoneOffset (); n 输出结果: var d = new Date () document. zone(120); If the input is less than 16 and greater than -16, it will interpret your input as hours instead. Returns a name of this time zone suitable for presentation to the user in the specified locale. " Is that even possible from JavaScript or is that something I am going to have to Get or set the UTC offset in minutes. Description getTimezoneOffset() returns the difference between UTC time and local time. The UTC offsets are based on the current or upcoming database rules. modern tools. consider am intializing date in js. May 3, 2016 · I use getTimezoneOffset() to get the offset in minutes for a given date object. For example, theFuncIneed('US/Eastern') -&gt; 240 Jul 6, 2020 · In javascript, I want to get my local timezone offset such as -04:00 as a string. First, we’ll use the new Date() constructor and Date. log(myDate. zone(480); moment(). Auto detect a time zone with JavaScript Timezone detection in JavaScript Mar 26, 2022 · Then we create t2 with 0 milliseconds. I need to sort cities based on their timezone (as TZ identifiers). Jun 18, 2020 · Given the input of a timezone (eg. This is the same with time settings. The getTimezoneOffset() method of Date instances returns the difference, in minutes, between this date as evaluated in the UTC time zone, and the same date as evaluated in the local time zone. Examples Using getTimezoneOffset() // Get current timezone offset for host device Aug 4, 2011 · Is there a reliable way to get a timezone from client browser? I saw the following links but I want a more robust solution. Mar 9, 2016 · I want to calculate the offset from 'users time' to 'WET/WEST'. Jan 11, 2022 · I have a time zone offset like -7 now I want the date-time of that particular offset? How Can I get this in js? Thanks. Auto detect a time zone with JavaScript Timezone detection in JavaScript JavaScript getTimezoneOffset function returns the time zone offset of a given date in minutes. Getting the utcOffset of the current object: moment(). How can I get timezone abbreviation and offset al Aug 20, 2020 · I want to get the client machine local timezone. The getTimezoneOffset() method of Date instances returns the difference, in minutes, between this date as evaluated in the UTC time zone, and the same date as evaluated in the local time zone. Phoenix, Arizona USA, which doesn't observe daylight savings time), I'd like to calculate the delta between the users timezone and the input timezone. Dec 10, 2025 · JavaScript, as a client-side and server-side language, offers tools for time manipulation, but its built-in `Date. Sep 20, 2021 · With this I could create the Date, but Date constructor will use the local timezone offset and calculate the difference, so the final time in the selected timezone will not be the specified one. getTimezoneOffset). Jul 28, 2009 · 6 I'm trying to compare a GMT time offset from the operating system to a GMT time offset from Javascript's Date. , Tokyo) or country (e. Nov 13, 2012 · So you've given it 2012-11-13T11:34:58-05:00 but no information about where this time originate, it could be the time in anywhere in the world, so it defaults to whatever your local timezone if for the offset. zone this function returns the real offset from UTC, not the reverse offset (as returned by Date. How can I do this? Thanks Jan 10, 2021 · After digging around google and stackoverflow I came up with a working code to get a timestamp and its offset in a giving timezone using Javascript’s Date object and some calculations and modifications. moment(). I tried moment-timezone npm package, with the following command moment. Sep 21, 2011 · What is the best approach to add or subtract timezone differences to the targetTime variable below. Date. Bonus if I can output in the user's locale date format. For instance, we can weite: getTimezoneOffset () 方法返回的是本地时间与 GMT 时间或 UTC 时间之间相差的分钟数。 实际上，该函数告诉我们运行 JavaScript 代码的时区，以及指定的时间是否是夏令时。 返回之所以以分钟计，而不是以小时计，原因是某些国家所占有的时区甚至不到一个小时的间隔。 Note that the timezone offset does not only depend on the current timezone, but also on the time represented by the Date object, because of daylight saving time and historical changes. // Get current timezone offset for host device var x = new Date(); var currentTimeZoneOffsetInHours = x. Die getTimezoneOffset() Methode von Date Instanzen gibt die Differenz in Minuten zwischen diesem Datum, wie es in der UTC-Zeitzone bewertet wird, und dem gleichen Datum, wie es in der lokalen Zeitzone bewertet wird, zurück. This method returns the long name, not including daylight saving. js environm The getTimezoneOffset() method of Date instances returns the difference, in minutes, between this date as evaluated in the UTC time zone, and the same date as evaluated in the local time zone. Заметьте, что смещение будет положительным, если местное время отстаёт от UTC, и отрицательным, если оно опережает UTC I want the server to always serve dates in UTC in the HTML, and have JavaScript on the client site convert it to the user's local timezone. See "Time Zone != Offset" in the timezone tag wiki. 2 - Get timezone from string From Intl returned date string ("Thursday, 07/15/2021, 17:19:51 PM GMT+9") I get the last part (GMT+9) like this: moment-timezone-with-data-10-year-range. ) Setting the UTC offset by supplying minutes. Mar 20, 2016 · Using the standard JS library (ECMA5), without using momentjs or external libs, how do you calculate the UTC offset given a TimeZone string such as "Europe/Rome" or "America/Los_Angeles"? UTC Offs Javascript Date getTimezoneOffset () 方法 返回格林威治时间和本地时间之间的时差，以分钟为单位。 Javascript Date getTimezoneOffset () 方法语法 dateObject. My questión is your variable are the two timezones, hence both time zone will be changer often? or only one of this timezone may change, for example there is a client with a timezone and you just one to know the time difference from the client to your Aug 4, 2011 · Is there a reliable way to get a timezone from client browser? I saw the following links but I want a more robust solution. Next, we subtract t2 and t1 and divide that by 60 seconds and return that. js covers a 60 year range, for those that need more data but not the larger file size of the full data file. Jul 6, 2020 · In javascript, I want to get my local timezone offset such as -04:00 as a string. The only thing I can use is this timezone polyfill. Finding the offset # We want to get the offset in milliseconds between the server’s timezone and the user’s timezone. How can I do this? Thanks Jul 17, 2025 · JavaScript exercises, practice and solution: Write a JavaScript function to get the timezone offset in seconds. O método getTimezoneOffset() retorna a diferença, em minutos, do deslocamento de fuso horário entre o UTC (Tempo Universal Coordenado) e a localidade atual. Apr 30, 2019 · The client's timezone offset could be detected by using the Date object's getTimezoneOffset () method. For example, if your time zone is GMT+2, -120 will be returned. Examples Using getTimezoneOffset() // Get current timezone offset for host device const date2 = new Date ('August 19, 1975 23:15:30 GMT-02:00'); JavaScript getTimezoneOffset function returns the time zone offset of a given date in minutes. We can use a regular expression to get the HHMM offset, +5:30, -8:00 for example, this can be readily converted to a UTC offset in minutes. Where the host system is configured for daylight saving, the offset will change depending on the date and time that the Date represents and that daylight saving applies. How to use Get Timezone Offset with examples. UTC offset Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. Jun 23, 2017 · The time zone offset returned is the one that applies for the Date that it's called on. Daylight savings time prevents this value from being a constant. Aug 28, 2019 · This can only possibly get time zones that match the current offset - that is, the one based on "now" as returned by new Date(). Jan 22, 2025 · Whether you’re working on global applications or time-sensitive services, precise date and time manipulation in specific timezones is essential. tz(). toLocaleString() to get the offset in hours and minutes using the ia language, this will result in a UTC offset in the format GMT+HMM, GMT+5:30 for example. Mar 20, 2016 · Using the standard JS library (ECMA5), without using momentjs or external libs, how do you calculate the UTC offset given a TimeZone string such as "Europe/Rome" or "America/Los_Angeles"? UTC Offs Aug 29, 2023 · Getting the Client’s Time Zone and Offset JavaScript provides the Date object, which allows us to work with dates and times. For example, if your time zone is GMT+10, -600 will be returned. DateTimeFormat ( and the operating systems tzinfo database ). g. Jan 26, 2023 · Any standard method in javascript which can get timezone abbreviation and offset using Intl? Intl. getHours()); >> 10 Dec 3, 2021 · Sometimes, we need to get the user’s time zone in our JavaScript web app. If you’ve ever tried to get the time zone offset for a specific city (e. There is a native function getTimezoneOffset in JS, but I can't find a setTimezone Apr 25, 2012 · My requirement is , i need to convert the time zone value to offset value for ex. Feb 20, 2021 · Sometimes, we need to get the user’s time zone in our JavaScript web app. The problem is windows gives an offset based on EST while javascript gives an offset based on EDT. Locale instances returns a list of supported time zones for this locale. However a simple set method could save a lot of time. getTimezoneOffset(). getTimezoneOffset (); Javascript Date getTimezoneOffset () 方法返回值 本地时间与 GMT 时间之 As of version 2. 0, it is possible to set the offset by passing in the number of minutes offset from GMT. JavaScript Date getTimezoneOffset () 方法 JavaScript中的Date对象是常用的时间处理对象。 getTimezoneOffset () 方法是Date对象的一个方法，用于获取当前时间的时区与UTC（协调世界时）之间相差的分钟数。 本篇文章将为大家详细介绍该方法的使用及注意点。 Mar 11, 2009 · Смещение часового пояса равняется разнице между универсальным (UTC) и местным временем в минутах. moment-timezone-with-data-1970-2030. It can be "now" for the current offset, but don't assume that offset is the same for any other point in time. Oct 23, 2022 · 3 We can use Date. The getTimezoneOffset () method is a built-in JavaScript function that is widely supported across browsers, making it simple to use for calculating the time zone offset between the user's local time zone and UTC. // these are equivalent moment(). Feb 20, 2023 · I need a Javascript function that given a timezone, returns the current UTC offset. Examples Using getTimezoneOffset() // Get current timezone offset for host device Jun 13, 2021 · To get the current browser's time zone, you can use the getTimezoneOffset() method from the JavaScript Date object. Asia/Dubai to +4 . Jul 26, 2021 · TLDR: I need the zone offset of "Europe/Berlin" on a specific day in IE, without using libraries or APIs. Now we get the time zone offset in minutes. Is is possible to use javascript to get timezone offset of a city or a country? for example: var offset = getCityOf Feb 20, 2023 · I need a Javascript function that given a timezone, returns the current UTC offset. Jan 31, 2025 · Feel free to adjust them. 100% of production Node use at this time), but also you need to account for minutes because some timezone have a half hour offset. I'm using an API that's retur The time zone offset returned is the one that applies for the Date that it's called on. For example, theFuncIneed('US/Eastern') -&gt; 240 The W3Schools online code editor allows you to edit code and view the result in your browser The time zone offset returned is the one that applies for the Date that it's called on. fn. My questión is your variable are the two timezones, hence both time zone will be changer often? or only one of this timezone may change, for example there is a client with a timezone and you just one to know the time difference from the client to your Right now Javascript keeps this timezone offset to itself and leave me in pain of dealing with all incoming issues. Mar 6, 2024 · A step-by-step guide on how to check if DST (Daylight Saving Time) is in effect using JavaScript. But how do I get the offset for WET/WEST So that I can calcluate the co Feb 4, 2023 · Explore two effective methods for retrieving the client's timezone and offset using JavaScript and the International API. This guide demystifies how to get UTC offsets from timezones in JavaScript. Mar 15, 2025 · To calculate the UTC offset given a time zone string in JavaScript, we can use the JavaScript date’s toLocaleString method to get the time zone offset. , Australia) using `getTimezoneOffset ()`, you’ve likely hit a wall. Jan 3, 2006 · To display the time of day of a different time zone from the local time zone on a Web page it is necessary to perform various temporal calculations and convert local time to destination time. Understanding the Importance of Timezone Offset Imagine you‘re developing a global event management platform. The getTimezoneOffset () method returns the time difference between UTC time and local time, that is the time offset, in minutes. La méthode getTimezoneOffset() retourne la différence en minutes entre le fuseau horaire UTC, et celui de l'heure locale. 00 for Pacific Aug 29, 2023 · Getting the Client’s Time Zone and Offset JavaScript provides the Date object, which allows us to work with dates and times. 00 for London time, -8. js is recommend for most browser environments, covering +/- 5 years from the year published. Note: Unlike moment. Mar 19, 2012 · I know how to get the timezone offset, but what I need is the ability to detect something like "America/New York. utcOffset(); // (-240, -120, -60, 0, 60, 120, 240, etc. Aug 11, 2020 · So in simple, I just want, from a given timezone, to find the UTC Offset of that timezone. The time-zone offset is the minutes in difference, the Greenwich Mean Time (GMT) is relative to your local time. Jul 15, 2025 · The timezone offset represents the difference in minutes between local time and Coordinated Universal Time (UTC). getTimezoneOffset() / 60; 1 // Get timezone offset for International Labour Day (May 1) in 2016 // Be careful, the Date() constructor uses 0-indexed month so May is // represented with 4 (and not 5) var labourDay = new Date(2016, 4, 1) var Whether you‘re building a web application that needs to display time-sensitive information, schedule events across different regions, or handle data with precision, mastering timezone offset in JavaScript is a must-have skill. Jul 6, 2023 · Returns the time zone offset in minutes between the local time and UTC. JavaScript getTimezoneOffset () 方法 JavaScript Date 对象 实例 返回格林威治时间和本地时间之间的时差： var d = new Date () var n = d. zone(8); It is also possible to set the zone from a string. To do so, the most natural way I found was to compare the offset of these timezones to UTC (but I am open to any solution). 1. Description date. In this article, we’ll look at how to get the user’s time zone and offset in JavaScript. If the host system is configured for daylight saving, the offset will change depending on the date and time that the Date represents and that daylight saving applies. toLocaleString() method to get the Date right now, and convert it to a formatted string in the server’s timezone. write (d. getTimezoneOffset() returns the difference in minutes. Nov 21, 2011 · First, you should use 'en-US' because it is the only locale supported in Node < 13 (ie. The offset is set on the moment object that Dec 3, 2021 · Sometimes, we need to get the user’s time zone in our JavaScript web app. Below I have Sep 20, 2022 · This is the exact time zone but you can also get the offset in minutes of your timzeone using getTimezoneOffset() method. . Get timezone offset in minutes The getTimezoneOffset() method of the JavaScript Date object can be used to obtain the time zone of the web browser. getTimezoneOffset () 返回以分钟为单位的 UTC 时区和本地时区（即，使用浏览器的主机系统的时区（如果代码是在浏览器中的 Web 运行的））评估的 date 之间的差值，或者执行代码的任何 JavaScript 运行时（例如，Node. getTimezoneOffset ()` method has significant limitations. The getTimezoneOffset() returns the time difference, in minutes, between UTC time and local time. supportedValuesOf('timeZone') gets all timezones. There is an hour difference between these two. var currentDate = new Date(); and it is possible to se Mar 19, 2012 · I know how to get the timezone offset, but what I need is the ability to detect something like "America/New York. prototype. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset. The tests will validate the library functionality and the javascript engine's implementation of Intl. To get the client’s time zone and offset, we can utilize the getTimezoneOffset() method of the Date object. getTimezoneOffset (). Conclusion To calculate the UTC offset given a time zone string in JavaScript, we can use the JavaScript date’s toLocaleString method to get the time zone offset. zoneAbbr() But it is giving me Universal timezone ie UTC, but I want IS May 22, 2022 · Describe the bug When working with a historic time zone that has an offset containing minutes and seconds, Luxon provides incorrect offset/offset name in Chromium-based browsers or Node. The returned value is positive if the local time zone is behind UTC and negative if the local time zone is ahead of UTC. js 环境）的主机系统。 Jan 24, 2014 · You have a timezeon A and you want to get the time difference between other timezone B. This offset is changed by dividing by 60 and negating the result. Jul 10, 2025 · The getTimeZones() method of Intl. My browser takes time settings form my OS, if my OS time is 10:30 and I do this: var myDate = new Date(); console. Jun 6, 2019 · Keep in mind that to find an offset, you will also need a specific point in time. Description Javascript date getTimezoneOffset () method returns the time-zone offset in minutes for the current locale. 参数 无 返回值 时区偏差（time-zone offset）表示协调世界时（UTC）与本地时区之间的差值，单位为分钟。 需要注意的是如果本地时区后于协调世界时，则该差值为正值，如果先于协调世界时则为负值。 例如你所在时区为 UTC+10（澳大利亚东部标准时间），将会返回 The W3Schools online code editor allows you to edit code and view the result in your browser Jan 24, 2014 · You have a timezeon A and you want to get the time difference between other timezone B. This method returns the time zone offset in minutes between the client’s local time and UTC. Метод getTimezoneOffset() возвращает смещение часового пояса относительно часового пояса UTC в минутах для текущей локали. Here are two different ways to set the timezone offset in JavaScript. getTimezoneOffset ()); 尝试一下 » 定义和用法 get.

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