How to get Server Date and Time

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Hi,

I have a winform which is created in vs2010.
Here I want to display server date and time.

But Time in running Mode just like clock.

I have window Dedicated Server with mssql install.

I get the date and time when form is load but i want to continus display time in running just like a system time.

But If i use timer and add 1 seconds on every tick its time we will be increase from current server time approx 2-3 min after some time.

I want to real update time from server. But I do not want to exqute sql query per second to get time. its create a big problem for me..

Please suggest me that I want to make a real clock on client machine
means machine and server time are little bit same.

thanks
Ram Kumar

Posted 17-Nov-14 6:12am

Ram Kumar(Webunitech)

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Comments

ZurdoDev 17-Nov-14 12:34pm

You want the server time but don't want to execute sql to get it?

BillWoodruff 17-Nov-14 12:35pm

Why don't you synchronize your local machine's time-setting with the server every some-number-of-minutes ? They are not likely to get out of synch in a time-frame of minutes.

Maciej Los 17-Nov-14 13:31pm

Why? Why? and Why?

2 solutions

Solution 2

Try these..

Get current date time from server and convert it into local time in c#

C#

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

to check it locally , change your computer timezone to match your server. then run the code. I check and it's working fine.
the first two lines can be mixed into one line as below . that has a better performance :

C#

DateTime utcTime = DateTime.UtcNow;

Or See this links.

Link1[^]

Link2[^]

Posted 17-Nov-14 9:09am

/\jmot

Comments

Ranpc69 Dcm 2 days ago

how i use
DateTime utcTime = serverTime.ToUniversalTime;

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OriginalGriff · Accepted Answer · 2014-11-17T08:49:00

You can't get any information from SQL server unless you ask for it: and a SELECT query is pretty much the only way to do that. So try:

SQL

SELECT GETDATE()

But please, don't do it per second!
Why not just read it once when you app starts, and store it as:

C#

DateTime serverTime = GetDateAndTimeFromSQL();
TimeSpan serverDiff = DateTime.Now - serverTime;

You can then use the TimeSpan value to work out what the server time is by adding the difference onto the current date and time for your machine. A re-check every couple of hours should keep them nicely in sync.