getTimezoneOffset() 方法返回协调世界时（UTC）相对于当前时区的时间差值，单位为分钟。
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语法
dateObj.getTimezoneOffset()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晚于协调世界时，则该差值为正值，如果早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 -600。对于同一个时区，夏令时（Daylight Saving Time）将会改变这个值。
例子
例子： 使用getTimezoneOffset方法
var x = new Date(); var currentTimeZoneOffsetInHours = x.getTimezoneOffset() / 60;
规范
| 规范版本 | 规范状态 | 注解 |
|---|---|---|
| ECMAScript 1st Edition. Implemented in JavaScript 1.0 | Standard | Initial definition. |
| ECMAScript 5.1 (ECMA-262) Date.prototype.getTimezoneOffset |
Standard | |
| ECMAScript 2015 (6th Edition, ECMA-262) Date.prototype.getTimezoneOffset |
Standard |
浏览器兼容性
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | 1 | 5 | Yes | Yes |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | Yes | Yes | Yes | 4 | Yes | Yes | Yes |