In Engpsh, a meal that is eaten in the evening is commonly referred to as "dinner." You could say "I'm going to have dinner at 7 o'clock," or "I'm going out for dinner tonight." If you want to be more specific, you can use other words to describe the meal, such as "supper," "evening meal," or "nighttime meal." For example, you could say "I'm going to have a pght supper tonight," or "We're having a big evening meal with friends." Overall, the word you use to describe the evening meal may depend on your personal preference or the region where you are located.