There are two places you can set your time zone.
1. Profile page
Once you have the proper timezone set for your profile, you will see events as they relate to your timezone. Click edit profile on your profile page, scroll down to timezone and select the timezone you're in then click update, All done!
2. Admin Dashboard of your site
You can set the timezone for your site by going to Admin Dashoard-> Site Settings-> Global Settings-> Select sites timezone-> click update.