CODEWITHSUNDEEP
c#datetime
demonplus
demonplus

Reputation: 5801

Parsing of DateTime with timezone

Here is my code:

DateTime dateTime;
string str = "2016-02-11 23:02:30 -0500";
if (!DateTime.TryParse(str, out dateTime))
{

}

I am receiving {2/12/2016 7:02:30 AM} as dateTime result. But I want to get 2/11/2016, is it possible?

Upvotes: 1

Views: 111

Answers (3)

Soner Gönül
Soner Gönül

Reputation: 98848

Since your string has UTC Offset value, I would parse it to DateTimeOffset instead of DateTime.

DateTimeOffset dto;
string str = "2016-02-11 23:02:30 -0500";
if (DateTimeOffset.TryParse(str, CultureInfo.InvariantCulture, DateTimeStyles.None, out dto))
{
   //Success
}

Now you have a DateTimeOffset as {11.02.2016 23:02:30 -05:00} and you can use it's .DateTime property which returns 11.02.2016 23:02:30.

enter image description here

Upvotes: 0

Renan Araújo
Renan Araújo

Reputation: 3641

I think you are looking for TimeZoneInfo:

DateTime dateTime;
string str = "2016-02-11 23:02:30 -0500";
if (!DateTime.TryParse(str, out dateTime))
{
    // error
}

dateTime = DateTime.SpecifyKind(dateTime, DateTimeKind.Unspecified);

var serverTimeZone = TimeZoneInfo.Local; // Server time zone
var allTimeZones = TimeZoneInfo.GetSystemTimeZones(); // Time zone list

var clientTimeZone = TimeZoneInfo.FindSystemTimeZoneById("Hawaiian Standard Time");

// DateTime in server time zone
var dateTimeZone = TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dateTime, clientTimeZone.Id, serverTimeZone.Id);

Take a look at this fiddle: https://dotnetfiddle.net/Apx51v

Note:

And remember, DateTime doesn't contains time-zone information.

"A developer is responsible for keeping track of time-zone information associated with a DateTime value via some external mechanism" DateTime in .NET

Upvotes: 1

VitaliyK
VitaliyK

Reputation: 299

You need to use DateTimeOffset.Parse() to parse string into DateTimeOffset object with represented offset and than format it to string without it("yyyy-MM-dd HH:mm:ss" in example)

Upvotes: 0

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