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## Class greg_day

boost::gregorian::greg_day — Represent a day of the month (range 1 - 31).

## Synopsis

    // In header: <boost/date_time/gregorian/greg_day.hpp>

    class greg_day {
    public:
      // construct/copy/destruct
      greg_day(unsigned short);

      // public member functions
      unsigned short as_number() const;
      operator unsigned short() const;
    };

## Description

This small class allows for simple conversion an integer value into a day of the month for a standard gregorian calendar. The type is automatically range checked so values outside of the range 1-31 will cause a bad_day_of_month exception

### `greg_day` public construct/copy/destruct

1.     greg_day(unsigned short day_of_month);

### `greg_day` public member functions

1.     unsigned short as_number() const;

2.     operator unsigned short() const;