twelve o'clock
It is an heirloom , and does not vary five minutes in a year . It is a regular chronometer . '' `` I see how it is , '' replied Fix ; `` you have got London time , which is about two hours slower than Suez time . You must take care to set your watch at twelve o'clock in every country you visit . '' `` Not a bit of it , '' said Passe-partout , `` I am not going to touch my watch . '' `` Well , then , it wo n't agree with the sun . '' `` I ca n't help that .