If you just got them last night wait a little before moving them. Lte them get use to your tank. After they open and appear to be happy for a while then you can move them. Slowly move them higher in your tank giving them time to adjust to your light. If this is what you are asking.
There is no real amount of time to give them. Just leave them alone for a couple of days and see what happens. I have had some zoas take a week to open. Where did you get them from?
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