GetUtcOffset() [4/6]

static TimeSpan System.TimeZoneInfo.GetUtcOffset ( DateTime time, TimeZoneInfo zone )

inlinestaticprivate

Definition at line 1989 of file TimeZoneInfo.cs.

    {
        TimeSpan baseUtcOffset = zone.BaseUtcOffset;
        int? ruleIndex;
        AdjustmentRule adjustmentRuleForTime = zone.GetAdjustmentRuleForTime(time, out ruleIndex);
        if (adjustmentRuleForTime != null)
        {
            baseUtcOffset += adjustmentRuleForTime.BaseUtcOffsetDelta;
            if (adjustmentRuleForTime.HasDaylightSaving)
            {
                DaylightTimeStruct daylightTime = zone.GetDaylightTime(time.Year, adjustmentRuleForTime, ruleIndex);
                bool isDaylightSavings = GetIsDaylightSavings(time, adjustmentRuleForTime, daylightTime);
                baseUtcOffset += (isDaylightSavings ? adjustmentRuleForTime.DaylightDelta : TimeSpan.Zero);
            }
        }
        return baseUtcOffset;
    }

References System.Runtime.Serialization.Dictionary, System.TimeZoneInfo.GetIsDaylightSavings(), System.DateTime.Year, and System.TimeSpan.Zero.