| public GetAmbiguousTimeOffsets ( System.DateTime dateTime ) : System.TimeSpan[] | ||
| dateTime | System.DateTime | |
| return | System.TimeSpan[] | |
public TimeSpan [] GetAmbiguousTimeOffsets (DateTime dateTime)
{
if (!IsAmbiguousTime (dateTime))
throw new ArgumentException ("dateTime is not an ambiguous time");
AdjustmentRule rule = GetApplicableRule (dateTime);
if (rule != null)
return new TimeSpan[] {baseUtcOffset, baseUtcOffset + rule.DaylightDelta};
else
return new TimeSpan[] {baseUtcOffset, baseUtcOffset};
}
| TimeZoneInfo::GetAmbiguousTimeOffsets ( DateTimeOffset dateTimeOffset ) : System.TimeSpan[] |
public static TimeSpan GetUtcOffset(DateTime dateTime, TimeZoneInfo timeZoneInfo)
{
// Unlike the default behavior of TimeZoneInfo.GetUtcOffset, it is prefered to choose
// the DAYLIGHT time when the input is ambiguous, because the daylight instance is the
// FIRST instance, and time moves in a forward direction.
TimeSpan offset = timeZoneInfo.IsAmbiguousTime(dateTime)
? timeZoneInfo.GetAmbiguousTimeOffsets(dateTime).Max()
: timeZoneInfo.GetUtcOffset(dateTime);
return offset;
}
