DST_GetTransitions_Europe.c

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#include                "FBLib_time.h"
 
void DST_GetTransitions_Europe(dword *DSTStartUTC, dword *DSTEndUTC, dword StartDate)
{
  TRACEENTER();
 
  dword       DSTStartLocal, DSTEndLocal;
  short       TZOffset;
 
  //DST starts at the last Sunday in March, 02:00 local
  DSTStartLocal = DST_CalcTransition(5, 6, 3, 2, 0, StartDate);
 
  //DST ends at the last Sunday in October, 03:00 local
  DSTEndLocal = DST_CalcTransition(5, 6, 10, 3, 0, StartDate);
 
  //Get the Toppy's standard time zone
  GetCurrentTimeZone(&TZOffset, NULL);
 
  //Convert from local to UTC times
  if(DSTStartUTC) *DSTStartUTC = AddTime(DSTStartLocal, -TZOffset);
  if(DSTEndUTC) *DSTEndUTC = AddTime(DSTEndLocal, -TZOffset);
 
  TRACEEXIT();
}