How do you write at five o clock in French?

There are a few ways to say "at five o'clock" in French, depending on the context:

Formal:

* À cinq heures (literally "at five hours") - This is the most common and formal way to say it.

Informal:

* À cinq heures précises (literally "at five o'clock sharp") - This is more precise and can be used when you need to emphasize the exact time.

* Cinq heures pile (literally "five o'clock on the dot") - This is a more casual and informal way to say it.

Other options:

* À cinq heures du matin (at five o'clock in the morning)

* À cinq heures du soir (at five o'clock in the evening)

The best option depends on the context and the level of formality required.