I can add more people, but have included a few examples.
Just wondering where to put this? Ideas? Hate it?:
NB It sorts, with people sent to the top who are closest to their midday.
White is local midday, black is out of hours. The red marks current time.
The numbers are based on GMT. These could just as easily be hidden as are meaningless for most.
It’s very approximate and uses a sine wave raised to the power to create the ‘heat map’.