Get Time Of Day c#

public static string GetTimeOfDay(DateTime dateTime)
{    
    if (dateTime.Hour >= 0 && dateTime.Hour < 6)
    {
        return "Night";
    }
    if (dateTime.Hour >= 6 && dateTime.Hour < 12)
    {
        return "Morning";
    }
    if (dateTime.Hour >= 12 && dateTime.Hour < 18)
    {
        return "Noon";
    }
    return "Evening";
}