seven o'clock
And yet they were now beyond theorizing , and it looked as if before the day was done they were to prove the merits or weaknesses of their much-lauded craft . `` I 'm glad of one thing , '' suggested Roy , a little later ; `` we 're going to have daylight all the way back . '' `` I hope so , '' answered Norman , but not very confidently . `` We ought to be there by seven o'clock ! '' retorted Roy . `` That 's all right , '' said Norman in turn , `` but I 've seen snow in the daytime so heavy that it might as well have been night . '' `` Anyway , as long as we do n't lose the river , '' suggested Roy , `` we ca n't go far wrong .