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.
Las Vegas to Budapest jet lag information
Lets assume you left Las Vegas at 9:00am. The flight takes approximately 11 hours 47 minutes so you would arrive in Budapest at 9:12am Las Vegas time which is in fact 12:12am Budapest time.
Your body will be telling you that its 9:12am but actually its now 12:12am