Time Zones & Business Hours. The United States is a wide country with seven time zones. There are four time zones in the continental United States, each separated by one hour. When it is noon in New York City, is only 11:00 AM in Dallas, 10:00 AM in Denver, and 9:00 AM in San Francisco.
The name Whopper is a registered trademark of Burger King Holdings and is displayed with the circle-R (Â®) symbol in all markets it is sold. The name Whopper Jr. is a registered trademark in the US, Canada and Europe.
The Whopper at 670 kcal (2,803 kJ) per sandwich has more calories than McDonald's Big Mac at 540 kcal (2,259 kJ) per sandwich, but is larger â 290 g (10 oz) vs. 214 g (7.5 oz). Therefore, the Whopper contains fewer calories per gram than the Big Mac. The Whopper contains 231 kcal (967 kJ) per 100 g (3.5 oz) and the Big Mac contains 252 kcal (1,054 kJ) kcal per 100 g (3.5 oz).