code: function( day, opens, closes, timezone, name = 'default' ) {
      const schedule = this.get( 'schedule' );
      const hours = expand( day ).map( day => {
        return {
          day,
          closes: normalize( closes ),
          opens: normalize( opens ),
          timezone: timezone
        };
      } );
      const season = schedule[ name ] || [];
      this.set( 'schedule', {
        ...schedule,
        [ name ]: [ ...season, ...hours ]
      } );
    }
docs: ## Add Hours to Season Add an entry to the hours array for a season, by default the 'default' season. If a special day key is provided, expand it to an array of day keys.