Not necessarily, just that someone was there and took the picture. I might not be the best person to answer any questions right now tho...
Singapore is across the International date line so it is tomorrow +15 hours if I remember the delta of time
The running feeling of the QAnons is the deal has been signed with someone like Pompeo who was already pictured with KJU, so the 12th could be the splashy splashy in the pool party to celebrate