Terran temporal coordinates include...
8:00pm in Californica and the "left coast"... (PST)
9:00pm in Arizonia and all those Rocky Grinch mountains... (MST)
10:00pm up and down the Missississississippiii... (CST)
11:00pm for all the Eastern seaboarders and their landlorders... (EST)
US Time Zones
If you aren't in the Continental US...
World Time Zones
Arizona is in "Zone T"... As you move right, add hours... As you move left, subtract hours...