/// <summary>
/// Returns the DateTime in the state's MAIN (majority) time zone.
/// </summary>
/// <param name="state">The 2 letter state that the time zone is for</param>
/// <returns></returns>
public static DateTime ToUsaStateTimeZone(this DateTime date, string state, bool throwExceptionForBadArgument = false)
{
if (string.IsNullOrWhiteSpace(state))
{
if (throwExceptionForBadArgument)
{
throw new ArgumentException(nameof(state), "State must be provided and is must be two characters");
}
return(date);
}
if (state.Length != 2)
{
if (throwExceptionForBadArgument)
{
throw new ArgumentException(nameof(state), "State must be two characters");
}
return(date);
}
var s = UnitedStates.Get50States().Where(d => d.Abbreviation.IsEqualTo(state)).FirstOrDefault();
if (s == null)
{
if (throwExceptionForBadArgument)
{
throw new ArgumentException(nameof(state), "Unknown state");
}
return(date);
}
return(date.ToTimeZone(DateHelper.GetTimeZoneName(s.TimeZone)));
}
/// <summary>
/// Converts the current DateTime into UTC based on the state's time zone
/// </summary>
/// <param name="state">The USA state for the DateTime</param>
/// <returns>A DateTime converted to UTC</returns>
public static DateTime FromUsaTimeZone(this DateTime date, string state)
{
var s = UnitedStates.Get50States().Where(d => d.Abbreviation.IsEqualTo(state)).FirstOrDefault();
return(date.FromTimeZoneToUtc(s.TimeZone));
}