Ceto

Sprung from the sexual union of the Earth and the Sea, Ceto ebbs and flows with the sun and moon.

Minted NFT original sold on Async Art for 0.3 ETH as an autonomously updating artwork switching between day and night version according to GMT+1

You can check it out and bid on it here:
https://async.art/art/master/0xb6dae651468e9593e4581705a09c10a76ac1e0c8-1723