What is the main meal in the us and when is it eaten?

Paella Valenciana is the so-called National Dish of Spain; it is basically a risotto with many traditional ingredients, the key one of which is saffron.

In summer, it would be eaten after sundown in the cool of the evening, but during winter, as comida, the midday meal, followed by a siesta

Please see the link below for a seemingly authentic recipe. The author makes no assertions regarding either authenticity or palatability. If the link differs from what the reader, or the reader's Spanish grandmother, believes authentic, please do not complain to the author.