TZREG

Office 2013 and later

Defines when daylight saving time starts, when the return to standard time occurs, and how many hours the daylight saving shift is.

Copy 
typedef struct RenTimeZone { 
    long        lBias;  
    long        lStandardBias; 
    long        lDaylightBias; 
    SYSTEMTIME  stStandardDate; 
    SYSTEMTIME  stDaylightDate; 
} TZREG;

lBias

The offset from Greenwich Mean Time (GMT).

lStandardBias

The offset from bias during standard time.

lDaylightBias

The offset from bias during daylight saving time.

stStandardDate

The time to switch to standard time.

stDaylightDate

The time to switch to daylight saving time.

This structure is similar to TIME_ZONE_INFORMATION. This is the structure used by legacy clients to store time zone information for recurring meetings.

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