Question

I have a requirement in my application where we have to perform certain activities based on the time (that too local to the client)… For example – if the client is in US and the local time at the client is 20:00 then do something…

So far to simplify we are taking just one timezone for each country.. Any pointers how can I check if the time is 20:00 at the client based on the timezone??

Answer 1

Assuming you’re using .NET 3.5 or higher, you’ll want the TimeZoneInfo for the client. Then you can use:

DateTimeOffset clientNow = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow,
                                                    timeZone);

if (clientNow.TimeOfDay == TimeSpan.FromHours(20))
{
    // ...
}

(Of course, that would only work at the exact instant of 20:00. You’ll want to adjust it according to your real requirements.)