On the main Google home screen in the Google Chrome browser go to the "Google Apps" menu at the top right by clicking the 9-dot matrix in the corner, select "Calendar" and click the gear at the top right and select "Settings"
Scroll down to the "Time zone" section and select the associated time zone for your current location. For SelectCare appointments and Calendar integration to function correctly one must select the appropriate option of the four listed below for one's respective time zone.
Pacific -- Pacific - Los Angeles
Mountain -- Mountain - Denver
Central -- Central - Chicago
Eastern -- Eastern - New York