@nina_kali_nina they wouldn't run out of seconds from the epoch until September of 10681, unlike us 32-bit time losers. So, maybe they were good planners.
Here's a manual written by Alan Turing himself on the matter of computer hooters https://archive.computerhistory.org/resources/text/Knuth_Don_X4100/PDF_index/k-4-pdf/k-4-u2780-Manchester-Mark-I-manual.pdf