public void ConvertByIanaTimezoneShouldBeConvertByWindowsTimezone()
{
var now = DateTime.UtcNow;
TimezoneHelper.ConvertTimeFromUtcByIanaTimeZoneId(now, "Asia/Shanghai")
.ShouldBe(TimezoneHelper.ConvertFromUtc(now, "China Standard Time"));
}
public static DateTime?ConvertForUtcUsingUserConfiguration(DateTime?date)
{
if (!date.HasValue)
{
return(null);
}
var applicationContext = DependencyResolver.Resolve <IApplicationContext>();
if (applicationContext.Configuration.Clock.Provider != "utcClockProvider")
{
return(date);
}
if (applicationContext.Configuration.Timing.TimeZoneInfo?.Windows?.TimeZoneId == null)
{
return(date);
}
return(TimezoneHelper.ConvertFromUtc(date.Value.ToUniversalTime(), applicationContext.Configuration.Timing.TimeZoneInfo.Windows.TimeZoneId));
}