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## Struct template acst_dst_trait

boost::date_time::acst_dst_trait —

## Synopsis

    template<typename date_type>
    struct acst_dst_trait {
      // types
      typedef date_type::day_of_week_type                day_of_week_type;
      typedef date_type::month_type                      month_type;
      typedef date_type::year_type                       year_type;
      typedef date_time::last_kday_of_month< date_type > start_rule_functor;
      typedef date_time::last_kday_of_month< date_type > end_rule_functor;

      // public static functions
      static day_of_week_type start_day(year_type) ;
      static month_type start_month(year_type) ;
      static day_of_week_type end_day(year_type) ;
      static month_type end_month(year_type) ;
      static int dst_start_offset_minutes() ;
      static int dst_end_offset_minutes() ;
      static int dst_shift_length_minutes() ;
      static date_type local_dst_start_day(year_type) ;
      static date_type local_dst_end_day(year_type) ;
    };

## Description

### `acst_dst_trait` public static functions

1.     static day_of_week_type start_day(year_type) ;

2.     static month_type start_month(year_type) ;

3.     static day_of_week_type end_day(year_type) ;

4.     static month_type end_month(year_type) ;

5.     static int dst_start_offset_minutes() ;

6.     static int dst_end_offset_minutes() ;

7.     static int dst_shift_length_minutes() ;

8.     static date_type local_dst_start_day(year_type year) ;

9.     static date_type local_dst_end_day(year_type year) ;

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