If you’ll be traveling more than three time zones east, put your baby to bed 30 minutes earlier each night a few days before you depart, said Dr. Robert S. Rosenberg author of “Sleep Soundly Every Night, Feel Fantastic Every Day: A Doctor’s Guide to Solving Your Sleep Problems.”
Source: http://www.foxnews.com/health/2014/12/21/baby-sleep-solutions-for-holiday-travel/