Not that the present situation and the abundance of free time that many are experiencing has anything to do with [Leo Fernekes] all-transistor digital clock build, which he started a year ago ...
We can tell the time without saying AM and PM though - for this, we use the 24 hour clock. The 24 hour clock always uses 4 digits, and we use this system most often with digital clocks.
Oh sure, there are flip-up digital clocks and all manner of mechanical seven-segment displays, but this one seems to be quite unique, and very pleasing.
DIGITAL CLOCK: You are strange. NARRATOR: There are 24 hours in a day and analogue time splits it into two halves. The first 12 hours of the day, the morning, are called AM. And the last 12 hours ...