Supporting the time: not so hard.
Supporting the date: hard.
Supporting the date whilst cramming two digits into one cell: I've had it for one night.
Got a better idea on how to cram 17 cells into 16?
TO DO: calculate and display the correct day of the week. But I'm not going to work on it now, my brain needs a rest.
settable_clock_test_2c.ino (9.4 KB)