Time

Walking up a steep hill, I pass 10 equally spaced street lamps. How long do I take to walk from the first lamp to the last?

I found these clocks in the Arts Centre at the University of Warwick intriguing - do they really need four clocks and what times would be ambiguous with only two or three of them?

How many minutes are there between 11:41 and 14:02?

Weekly Problem 21 - 2009
What is the angle between the two hands of a clock at 2.30?

Frank and Gabriel competed in a 200m race. Interpret the different units used for their times to work out who won.

Every day at noon a boat leaves Le Havre for New York while another boat leaves New York for Le Havre. The ocean crossing takes seven days. How many boats will each boat cross during their journey?

Can you explain why every year must contain at least one Friday the thirteenth?

My train left London between 6 a.m. and 7 a.m. and arrived in Paris between 9 a.m. and 10 a.m. At the start and end of the journey the hands on my watch were in exactly the same positions but the minute hand and hour hand had swopped places. What time did the train leave London and how long did the journey take?

How many leap years will there be between 2001 and 3001?

Albert Einstein could see two clocks which were out of sync. For what fraction of the day did they show the same time?