Knowledge: The best time to see whales is usually at dawn. On the other hand, a great time to hang out with manta rays is around noon.

Conversation:
I once swam with manta rays. They are beautiful creatures.
Aw, that's nice. They're found in subtropical and tropical waters. Is that where you swam with them?
Yep. What do manta rays eat?
They are actually filter feeders, so they feed on zooplankton.
When is the best time to see manta rays?

Response: Hmm I heard that the best time to see manta rays is around noon.