French phrase
C'est ouvert de ~ à ~.
Meaning
It's open from ___ to ___.
When to use it
States the hours when a place is open. Common in practical information and replies.
Example dialogue
C'est ouvert de 9h à 17h.
It's open from 9 a.m. to 5 p.m.
Parfait, je viendrai à 10h.
Perfect, I'll come at 10 a.m.