twelve o'clock
I can say that the time has passed away pleasantly for me . '' As Florence prepared to resume her street dress , Carrie said : `` Oh , I forgot ! Mamma asked me to invite you to stay to lunch with me . I take lunch as soon as school is out , at twelve o'clock , so I wo n't detain you long . '' `` Thank you , Carrie ; I will stay with pleasure . '' `` I am glad of that , for I do n't like to sit down to the table alone . Mamma is never here at this time .