one o'clock in the
afternoon
`` Did your father and Mr. Wrenn decide upon a date for the start ? '' asked Paul . `` Yes , '' replied Bob ; `` they made it the 20th of July , this summer , weather permitting . We start from Panama at one o'clock in the afternoon . '' `` Our curiosity as to the identity of our competitors will be satisfied then , at least , '' laughed John . `` And their curiosity , too ! '' put in Tom .