six o'clock
The telephone receiver at Dotty 's end of the wire was hung up with a click , and Dolly began to waggle her receiver hook in hope of getting Dotty back . But there was no response , so Dolly rose and went for her coat . Flinging it round her , and not stopping to get a hat , she ran next door to Dotty Rose 's house . It was mid January , and the six o'clock darkness was lighted only by the street lights . Flying across the two lawns that divided the houses , Dolly found Dotty awaiting her at the side door . `` Hurry up in , Doll , '' she cried , eagerly , `` the greatest thing you ever heard ! Oh , the very greatest !