CODEWITHSUNDEEP
c#datedatetimedatetimeoffset
ZNS
ZNS

Reputation: 850

Get DateTimeOffset for another DateTimeOffset

I have an web api that return events. Each event occurs at a given date which is abstracted as a DateTimeOffset. Now on the server I want to check if a given event has occured according to the event datetimeoffset, not the server datetimeoffset.

For example an event has datetimeoffset 2014-02-06 10:00:00+0300, server is datetimeoffset 2014-02-06 10:00:00+0100. How can I check if the event has already happened?

Upvotes: 1

Views: 167

Answers (2)

IronGeek
IronGeek

Reputation: 4873

I believe you could just compare the two DateTimeOffset directly. Or, you could use the UtcDateTime property to get the UTC value of the DateTimeOffset and use that for comparison.

Example: 

var eventTime = new DateTimeOffset(2014, 2, 6, 10, 0, 0, 0, TimeSpan.FromHours(3));
var serverTime = new DateTimeOffset(2014, 2, 6, 10, 0, 0, 0, TimeSpan.FromHours(1));
var otherTime = new DateTimeOffset(2014, 2, 6, 10, 0, 0, 0, TimeSpan.FromHours(-1));

Console.WriteLine("\tLocalTime\t\t\tUtcTime\t\tInThePast");
Console.WriteLine("Server\t{0}\t{1}",serverTime, serverTime.UtcDateTime);
Console.WriteLine("Event\t{0}\t{1}\t{2}", eventTime, eventTime.UtcDateTime, eventTime < serverTime);
Console.WriteLine("Other\t{0}\t{1}\t{2}", otherTime, otherTime.UtcDateTime, otherTime < serverTime);

Would produce:

        LocalTime                       UtcTime                 InThePast
Server  2/6/2014 10:00:00 AM +01:00     2/6/2014 9:00:00 AM
Event   2/6/2014 10:00:00 AM +03:00     2/6/2014 7:00:00 AM     True
Other   2/6/2014 10:00:00 AM -01:00     2/6/2014 11:00:00 AM    False

Upvotes: 1

Jacob van Lingen
Jacob van Lingen

Reputation: 9537

You could use the Offset Property which returns a TimeSpan object within a range from -14 hours to 14 hours.

Having that property, you could easily compute if an event is already happened.

Upvotes: 0

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