To begin with In the United States, dinner typically has a main course, side dishes, and dessert and is served at 6 or 7 p.m. whereas supper is often had between 8 and 9 p.m. in Spanish-speaking nations. Usually, it's a modest dinner with a few side dishes and a main entrée.

reword this whole sentence better please.

In the United States, dinner traditionally consists of a main course, side dishes, and dessert and is typically served at 6 or 7 p.m., while in Spanish-speaking nations, supper is commonly enjoyed between 8 and 9 p.m. Supper generally includes a modest meal with a limited number of side dishes and a main entrée.