I would say likely due to the uneven population distribution around the world, combined with day-of-week trends due to people being off work/school. The more i

I would say likely due to the uneven population distribution around the world, combined with day-of-week trends due to people being off work/school. The more interesting datapoint to me is the hour-by-hour breakdowns of HTTP vs HTTPS, likely due to particular countries that discourage (and have ISPs that block) encrypted traffic.