Formal:
* Il est... heures. (It is... o'clock.)
* For example, "Il est trois heures." (It is three o'clock.)
* Il est... heure et... minutes. (It is... o'clock and... minutes.)
* For example, "Il est deux heures et vingt minutes." (It is two twenty.)
* Il est... moins... minutes. (It is ... minutes to...)
* For example, "Il est dix moins cinq minutes." (It is five minutes to ten.)
Informal:
* C'est... heures. (It's... o'clock.)
* C'est... heure et... minutes. (It's... o'clock and... minutes.)
* C'est... moins... minutes. (It's ... minutes to...)
You can also use these phrases:
* Je ne sais pas. (I don't know.)
* Regarde ta montre! (Look at your watch!)
Remember to use the correct number and gender agreement with "heure" (hour).