Zone away from shore upto effective light penetration .
The openocean is split into the surface zone (where light can shine through) and the deep zone (where light can't shine through. I hop this answers your question!:)
-The Epipelagic zone (sunlight zone) -The Mesopelagic zone (twilight zone) -The Bathypelagic zone (midnight zone)
midnight zone?
The twilight zone is the one under the sunlit zone
its the sublittoral zone
- the intertidal zone - the sublittoral zone - the bathyal zone - the abyssal zone and - the hadal zone
The polar zone, the mountain zone, the temperate zone, the tropical zone, and desert zone
Zones in the ocean.
No. THe zone of saturation is below the zone of aeration.
The 5 ocean zones are: 1. Sunlight zone 2. Twilight zone 3. Midnight zone 4. Abyssal zone 5. Hadal zone These zones are according to the depth of the ocean. 
The Central Time Zone is east of the Mountain Time Zone.
Intertidal Zone Sunlight Zone, and a few species in The Twilight Zone .