Stump Your Parents: How Do You Calculate Time Zone Differences?

The Boston Red Sox recently played a two-game series against the San Francisco Giants. San Francisco is in Pacific Time Zone, so if the games started at 7 p.m. local time, what time did they start in Boston, which is in the Eastern Time Zone?

Watch the video above to find out, and then you can stump your parents!

Thumbnail photo via Christopher Hanewinckel/USA TODAY Sports Images