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.
Baltimore to Rome jet lag information
Lets assume you left Baltimore at 9:00am. The flight takes approximately 8 hours 43 minutes so you would arrive in Rome at 9:12am Baltimore time which is in fact 3:12pm Rome time.
Your body will be telling you that its 9:12am but actually its now 3:12pm