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 is the signature sandwich and an associated product line sold by international fast food restaurant chain Burger King and its Australian franchise Hungry Jack's. Introduced in 1957, the sandwich has undergone several reformulations such as portion resizing and bread changes. The hamburger version is well known in the fast food industry, with Burger King billing itself as the Home of the Whopper in its advertising, signage, and in its concept store, the BK Whopper Bar. Due to its po