What to know
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There are two separate Time of Day blueprint locations in the game.
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Both are clustered around the alien tower and the Rosetta‑Stone‑style structure in that bioregion.
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You simply scan and collect them in‑world; no crafting ingredients are required to unlock the blueprint itself.
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Once you have either instance scanned, you can build the Time of Day display in your base.
The Time of Day blueprint in Subnautica 2 is a small, fixed‑location item you pick up near the alien tower and a nearby submerged structure, not something you craft from resources. Here’s how to find its two blueprints and unlock the crafting.
Time Of Day blueprint details
Time Of Day first blueprint location
The first Time of Day blueprint sits very close to the Rosetta‑Stone‑style object that stands near the main alien tower.
When you approach that tower, orient your camera around the base of the stone structure and its immediate surroundings, because the blueprint is easy to miss if you just skim past.
It appears as a small, holographic or icon‑like object on or beside the ruin.
Scan it to add the Time of Day display to your PDA’s blueprint list.
Time Of Day second blueprint location
The second copy of the Time of Day blueprint lies directly below the area where you find the first one.
From the alien‑tower and Rosetta‑Stone zone, you need to descend straight downward into the deeper seabed or rock shelf just beneath that cluster of structures.
Once you reach the bottom in that vertical column, look around the floor or nearby wreckage.
The blueprint will be sitting in plain view so you can pick it up without any interaction puzzle.
How to use the Time Of Day blueprints in your base
Once either blueprint is scanned, the Time of Day display becomes available in your base‑building submenu. Build it against a wall or on a base platform where you want to keep track of in‑game time, since the display visually shows the current portion of the day‑night cycle. Having two blueprint copies means you can still get the recipe if one spawn point is blocked or corrupted in a run, but you only need on
