TGDateWeekday

type TGDateWeekday = (

  TGDateWeekdayMinValue = - $7FFFFFFF,

  G_DATE_BAD_WEEKDAY = 0,

  G_DATE_MONDAY = 1,

  G_DATE_TUESDAY = 2,

  G_DATE_WEDNESDAY = 3,

  G_DATE_THURSDAY = 4,

  G_DATE_FRIDAY = 5,

  G_DATE_SATURDAY = 6,

  G_DATE_SUNDAY = 7,

  TGDateWeekdayMaxValue = $7FFFFFFF

);