If you want to know what time it is, you’ll have to do a little work with this clock. Meet Albert, a wall clock for children that breaks down the current time into math problems. Named after ...

Ostensibly the clock was designed for children to learn math in a fun and engaging way, but don’t let that stop you adults from getting enjoyment out of it yourself.

The Albert Clock is an ingenious wall clock that uses math problems to tell owners what time it is.

Of course, you’ll need to do a bit of math in order to get the time of day from this alarm clock. To read the hour, you add up the values of the red and blue squares.

Write and tell time on analog and digital clocks.

Tell time with analog and digital clocks in five minute intervals and using A.M. and P.M. Join Mrs. McCartney for a Mystery Math Mistake -Springling needs your help! Get ready to have fun telling ...

This analog clock has a twist: the only number appearing on the clock face is nine, but it's calibrated correctly once you do the math.

But, some people disagreed, arguing that the question wants to know the closest time before midnight, asking about a single 24-hour clock, rather than continuous time.