he set his sights on making a completely isolated digital clock that doesn’t rely on external synchronization (well, except to initialize the time at first power-up). The accuracy goal he set ...

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.

It follows a report in the Times Educational Supplement of a conference being told that pupils needed a digital clock to be able to tell the time. Malcolm Trobe, of the ASCL head teachers' union ...

Thomas Bromley's Digitron Electric Clock was built in his shed at his Hull home in 1961 One of the world's first digital clocks, which was made by a man in his shed, has been sold at auction.

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 ...