Day 257 at 00:00:00 the galaxy fest will be open!
The Jubilee Wheel in orbit of Ord Mantell of the Bright Jewel system is your entry point. It is free to enter. Speak to the greeter in the entry room to gain access.
For the galaxy fest discord server, click here. It will contain more detailed info and announcements.
Edit: By popular demand, Kyle was gracious enough to reduce the game timers to 12 hours instead of 24. Enjoy and good luck getting tickets.
Also send him a DM telling him "Thank you for the bawoons."