Palindrome times on a digital clock are times that read the same forwards and backwards, typically in a 12-hour format (hh:mm). Examples include 12:21, 1:01, 2:02, and 10:01. In a 24-hour format, examples are 00:00, 01:10, 02:20, and 21:12. These times create a symmetrical sequence of digits.
5 times
There are 93 such events.
146
It is noon for mid-day
146
120 times
many times.
1:11
The first digital alarm clock was invented in 1956 by D.E. Protzmann, an engineer at General Electric. This alarm clock featured a digital display and the ability to set specific alarm times, setting the foundation for modern digital alarm clocks.
9:59, 10:01
5 times
There are 93 such events.
A digital clock can be looked at and the time will be known immediately. You do not need to know how to tell time with a digital clock.
120
146
36 times
36 times