six
o'clock
Betty , it 's a glorious day . '' `` Do n't you suppose I know it ? '' asked Betty , shaking herself impatiently , as the tang of the air and the brilliant sunshine got into her blood , making her eager for action . `` And it 's only six o'clock , '' she added , appealing to her little wrist watch . `` We 'll never be able to get Grace and Amy up this early . '' `` Wo n't you , though ? '' chuckled a voice from the doorway , and they looked up quickly to find Grace standing there , with Amy laughing at them over her shoulder .