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.
Los Angeles to Montego Bay jet lag information
Lets assume you left Los Angeles at 9:00am. The flight takes approximately 5 hours 17 minutes so you would arrive in Montego Bay at 9:12am Los Angeles time which is in fact 12:12pm Montego Bay time.
Your body will be telling you that its 9:12am but actually its now 12:12pm