/* Clear the YMD and HMS and the TZ  */
static void clearYMD_HMS_TZ(DateTime *p)
/* Clear the YMD and HMS and the TZ  */
static void clearYMD_HMS_TZ(DateTime *p)
{
  p->validYMD = 0;
  p->validHMS = 0;
  p->validTZ = 0;
}