As an example, if I wanted to say "it's 5:00," I would say Son las cinco. Why is this not the following? Están las cinco. As far as I know, ser is used for permanent / inherent qualities, ...
I was taught that está is used in certain contexts meaning a temporary state (like emotion). Isn't "today" always temporary in that it is constantly changing to the next day? If so, why don't we use ...
Why do we use "es" for "usted" and "eres" for "tú"?