Just looking ahead to the schedule of Ru-helmed seasons this year, and it's basically wall-to-wall throughout 2024:
Drag Race US - January 5th - (largely deducible) April 19th
All Stars 9 - Last year's season started on May 12th and ended on July 21st. I'm not sure if it's been confirmed how many episodes we're getting, but we can perhaps assume it's 12. Unclear whether they'll do a double episode upload like last year, or follow suit with S16 and go with a single episode premiere. Given the below information, to give a slight bit of breathing room between seasons, I would imagine they'll kick this off around May 3rd, lasting until around July 12th. I believe the promo has already been shot.
Global All Stars - Rumoured promo is gladiatorial/Olympic to tie in with Paris 2024, which kicks off on July 26th. Not sure how on the nose they'll want to be with the date, but I think it's largely safe to say it'll be around this time. I believe it's 12 episodes as well, which would take this to around Oct 12th, pending starting date and no double premieres etc.
Then you have UK vs. The World S2 airing from Feb 9th - March 29th, and UK S6, which will likely air from Sep 26th - Nov 28th. Down Under normally airs from late July to mid-September, which would be largely concurrent with Global All Stars by the sounds of things, but it seems like Ru's no longer fronting this part of the franchise.
The only month this year that Ru's not going to be presenting Drag Race is December, which was largely the same as last year, but she'll be in more episodes this year given that Global AS appears to be four episodes longer than Down Under normally is. I think it's going to clock in at 58 episodes presented, which is somewhat hilariously more than there are weeks in the year.