Many frequent flyers stand by the fact that if you keep yourself hydrated and get plenty of rest the effects of jet lag should go within a few days. However, there are some other ways to stop Jet Lags effects and there are remedies to stop you getting it all together.
Puerto Vallarta to Birmingham jet lag information
Lets assume you left Puerto Vallarta at 9:00am. The flight takes approximately 3 hours 35 minutes so you would arrive in Birmingham at 9:12am Puerto Vallarta time which is in fact 10:12am Birmingham time.
Your body will be telling you that its 9:12am but actually its now 10:12am