The Tweetpeat will take place at 8PM Eastern Standard Time (That's 5 PM for West-Coasters in the USA!) If you need to have your time converted (Time Zones can be confusing), CLICK HERE.
East Coast USA: 8 PM Eastern Standard Time
West Coast USA: 5 PM Pacific Standard Time
If you live in a country other than int the USA and you've figured out your time, then please post it in the comments. :)