All 3 of my latest posts claim to be from the next year, and the ball hasn't even dropped yet!

Your profile timezone says you are in "Pacific/Wake". You might want to check that. That's UTC+12, while North America is between UTC-4 and -8 (I think), so your displayed time is 16-20 hours ahead of what the time actually is.

Jacob G.
Executive director and co-head developer

I'm having trouble setting it--can admins change others' timezone? If you can, please set it to GMT-8

There, I set your timezone to Los Angeles, which is at UTC-8.

Jacob G.
Executive director and co-head developer

Works great, thank you.