从服务器获取当前日期时间，并将其转换为本地时间在c＃ [英] Get current date time from server and convert it into local time in c#

问题描述

帮助：我有一个服务器在GMT-07.00小时内有时间。我当地时间是GMT + 05.30小时。我需要从服务器获取当前日期和时间，并将此日期和时间转换为当地时间。我已经尝试了很多代码，但仍然没有找到这样做的连续方式。有人可以帮助我。

Help: I have a server which is having time in GMT-07.00 hours. My local time is GMT+05.30 hours. I need to get current date and time from server and convert this date and time into my local time. I have tried many codes, but still have not found a successive way of doing this. Can somebody please help me out.

string zoneId = "India Standard Time";
TimeZoneInfo tzi = TimeZoneInfo.FindSystemTimeZoneById(zoneId);
DateTime result = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, tzi);
DateTime cu = result.ToUniversalTime();
DateTime cur = cu.ToLocalTime();

我已经尝试了所有上述方法，但我没有得到正确的答案。假设我目前的本地时间是2014年3月9日12:51:00 PM，那么我的服务器时间将是12.30小时，与当地的时间不同，即从本地时间减去12小时30分钟，以获得我的服务器时间。我需要从服务器时间获取我当地的时间。怎么可以实现？请建议我一些解决方案..提前感谢您的答案

I have tried all the above methods, still I'm not getting the correct answer. Suppose my current local time is 09-Mar-2014 12:51:00 PM, then my server time would be 12.30 hours different from my local time, ie subtract 12 hours and 30 minutes from my local time to get my server time. I need to get my local time from the server time. How can it be acheived?? Please suggest me some solutions.. Thanks in advance for your answers

推荐答案

不需要知道服务器时区。如果服务器时间设置正确，您可以尝试以下方式：

no need to know server time zone. if the server time setting is correct you can try this :

DateTime serverTime = DateTime.Now; // gives you current Time in server timeZone
DateTime utcTime = serverTime.ToUniversalTime(); // convert it to Utc using timezone setting of server computer

TimeZoneInfo tzi = TimeZoneInfo.FindSystemTimeZoneById("India Standard Time");
DateTime localTime = TimeZoneInfo.ConvertTimeFromUtc(utcTime, tzi); // convert from utc to local

在本地查看，更改您的计算机时区以匹配您的服务器。然后运行代码。我检查并正常工作。

to check it locally , change your computer timezone to match your server. then run the code. I check and it's working fine.

更新：

update:

前两行可以混合成一行如下。具有更好的表现：

the first two lines can be mixed into one line as below . that has a better performance :

DateTime utcTime = DateTime.UtcNow;

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