public DateTimeAndZone GetUtcTimeZone(DateTime local, string state, string country)
{
var timeZone = GetTimeZoneInfo(state, country);
if (timeZone == null)
{
return(null);
}
return(DateTimeAndZone.FromLocal(local, timeZone));
}
public static DateTimeAndZone FromLocal(DateTime local, TimeZoneInfo timeZone)
{
if (local.Kind == DateTimeKind.Utc)
{
throw new ArgumentException("DateTime utc must be .Kind == DateTimeKind.Unspecified, not Utc.", "local");
}
// We need to push this date from Local (default for Parse) to Unspecified because it's outside
// the limited timezone space the DateTime structure understands (Local, UTC, and go fish)
if (local.Kind == DateTimeKind.Local)
{
local = DateTime.SpecifyKind(local, DateTimeKind.Unspecified);
}
var u = new DateTimeAndZone(TimeZoneInfo.ConvertTimeToUtc(local, timeZone), timeZone);
return(u);
}
public static DateTimeAndZone FromLocal(DateTime local, TimeZoneInfo timeZone)
{
if (local.Kind == DateTimeKind.Utc)
throw new ArgumentException("DateTime utc must be .Kind == DateTimeKind.Unspecified, not Utc.", "local");
// We need to push this date from Local (default for Parse) to Unspecified because it's outside
// the limited timezone space the DateTime structure understands (Local, UTC, and go fish)
if (local.Kind == DateTimeKind.Local)
local = DateTime.SpecifyKind(local, DateTimeKind.Unspecified);
var u = new DateTimeAndZone(TimeZoneInfo.ConvertTimeToUtc(local, timeZone), timeZone);
return u;
}
public DateTimeAndZone GetUtcTimeZone(DateTime local, string state, string country, TimeZoneId defaultTimeZoneId)
{
var timeZone = GetTimeZoneInfo(state, country, defaultTimeZoneId);
return(DateTimeAndZone.FromLocal(local, timeZone));
}
