six o'clock
For this there were two explanations first , his remarkable vitality ; and next , the fact that such nights were rare in his experience . Again enters the man at the desk , whose physical efficiency would be more hurt by a cup of coffee at bedtime than could Daylight 's by a whole night long of strong drink and excitement . Daylight travelled without a watch , feeling the passage of time and largely estimating it by subconscious processes . By what he considered must be six o'clock , he began looking for a camping-place . The trail , at a bend , plunged out across the river . Not having found a likely spot , they held on for the opposite bank a mile away . But midway they encountered an ice-jam which took an hour of heavy work to cross .