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.
Melbourne to Wellington jet lag information
Lets assume you left Melbourne at 9:00am. The flight takes approximately 3 hours 59 minutes so you would arrive in Wellington at 9:12am Melbourne time which is in fact 7:12am Wellington time.
Your body will be telling you that its 9:12am but actually its now 7:12am