four o'clock
Acting immediately on the decision to ask for a holiday , Betty and Norma went down to the office and preferred their request , which was cordially granted after an explanation of its purpose . `` All day to-morrow off ! '' shouted Betty , bursting in upon the six girls assembled to hear the result . `` We may go after breakfast and need n't come back till four o'clock when Miss Anderson has called a dress rehearsal , '' chimed in Norma . Libbie and Louise were dispatched to notify the other girls and to give strict instructions to those who had boxes not to eat any more of the contents . `` Elsie Taylor had already eaten six eclairs when I requisitioned her box for the picnic , '' said Constance Howard . `` It 's lucky we 're going tomorrow , or there would n't be much left to eat . ''