You want to click on User CP (User Control Panel), then, under Settings & Options click Edit Options. Under Date & Time Options, select the desired time zone. After you select your time zone (and whether you want DST), don't forget to click on Save Changes at the bottom of page.
2009 GMC Sierra 2500HD | Crew Cab | Standard Box | 4WD | Duramax/Allison
2000 Jayco Eagle 266 | FBS | TT
1986 Coleman Laramie pop-up -- Still in the family!!!