It should go
4:20:59
4:20:60
4:20:61
4:20:62
4:20:63
4:20:64
4:20:65
4:20:66
4:20:67
4:20:68
4:20:69 Nice
4:21:10
It should go
4:20:59
4:20:60
4:20:61
4:20:62
4:20:63
4:20:64
4:20:65
4:20:66
4:20:67
4:20:68
4:20:69 Nice
4:21:10
Because you are not using the right digits. Any number is possible with milliseconds.
Or the Unix timestamp 42069 is 1970-01-01 11:41:09
There’s a Unix timestamp that ends with at least one of 42069 or 69420 within any 24 hour period. Often both.