Disconnects/availability/downtime against time-of-day and day-per-week

[dmishh]

• Hour of day chart
• Day of week chart
• Add to QA checklist

Discussed in #124

^{Originally posted by ArieKlerk December 17, 2024}
What I really miss is an analysis of disconnects/availability/downtime against time-of-day and day-per-week.
Or does anyone know of a way to make these in a spreadsheet?