Counts down to an LST at Molonglo, then rings an alarm
Run from the command line, eg:
python lst-alarm.py 19:25
Outputs lines like this:
GMT/UTC : 2021-12-04 01:06:51 | LST : 15:56:50.59 | Alarm LST : 19:25 | Remaining time : 03:28:09.44
Counts down 1 second at a time. Overwrites each update line.