/// <summary>
/// Returns the net amount of time for this effective duty period that occurs since the specified UTC DateTime and UTCNow.
/// </summary>
/// <param name="dtStart">The specified earliest date</param>
/// <returns></returns>
public TimeSpan DutyTimeSince(DateTime dtStart)
{
return(DateTime.UtcNow.EarlierDate(EffectiveDutyEnd).Subtract(EffectiveDutyStart.LaterDate(dtStart)));
}
public override string ToString()
{
return(String.Format(CultureInfo.CurrentCulture, "{0}-{1} ({2})", EffectiveDutyStart.UTCFormattedStringOrEmpty(false), EffectiveDutyEnd.UTCFormattedStringOrEmpty(false), Specification.ToString()));
}
