In the configuration of upcoming events to be displayed, what is the “days” column about? Is it the maximum number of days ahead of the event to have it displayed in the list?
At our site, I saw events in November displayed when the number of days is 30 (we are on Sept. 16)…
It’s quite easy: You go to Administration → Homepage → Upcoming events and then add a new entry. For example, the screenshot below would display up to 6 upcoming events from the categories with the IDs 6745 and 6725 for 7 days, and both with the same priority: