Javascript的Date.getTimezoneOffset（） [英] Javascript's Date.getTimezoneOffset()

问题描述

我正在尝试将操作系统的GMT时间偏移与Javascript的Date.getTimezoneOffset（）的GMT时间偏移进行比较。问题是windows给出了基于EST的偏移量，而javascript给出了基于EDT的偏移量。这两者之间有一个小时的差异。有谁知道如何使Javascript像Windows一样使用标准时代？谢谢。

I'm trying to compare a GMT time offset from the operating system to a GMT time offset from Javascript's Date.getTimezoneOffset(). The problem is windows gives an offset based on EST while javascript gives an offset based on EDT. There is an hour difference between these two. Does anyone know how to make Javascript use the Standard Times like Windows? Thank you.

推荐答案

为什么不在你知道夏令时没有生效的日期调用getTimezoneOffset？

Why not call getTimezoneOffset on a date where you know daylight saving time is not in force?

javascript:alert(new Date('1/1/2009').getTimezoneOffset())

这将给出300（5小时）。

That will give 300 (5 hours).

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