It is well known that a stopped clock gives the exact time twice a day, while a clock that gains or loses time may not be right more than once over a period of months.

My clever father adjusted his clock to give the correct time at least twice a day, while running at the normal rate.

Assuming he was not able to set it perfectly (a reasonable assumption) how did he do it?

He disengaged the mechanism so that the hands never moved and were therefore right twice a day?

Posted by ken on 2005-06-24 04:26:52