The more exact time and wall clock time is 60:58 = 30:29
8:00 to 12:00 in the morning 12-8 = 4 (H) hours after 2 hours, 4 hours slow 4×2 = 8 (minutes)
8 minutes is slower. The exact time should be 8×30/29 = 8 and 8/29 (minutes)
Standard BR> 8 and 8/29 + 12: 8/29 and 00 = 12:08.
