The study reviewed the past 5 years of regular season games in the NBA, NFL and NHL and noted the winning percentage of the visiting team depending on the direction of travel (east vs same time zone vs west), and the number of time zones crossed for every game. (sciencedaily.com)
It didn't matter that half those places were in the same time zone — just that there was a place so exclusive that I'd never heard of it. (canadianbusiness.com)
Many debate whether uninhabited islands count, or whether or not locations within the same time zone but slightly more eastern than the others actually can claim they celebrate the holiday first. (businessinsider.com)