Once I downloaded an app that says that the sun would set at 6:02pm Puerto Rico time. And it did. Javascript on canvas.

Blockchain	tezos
Smart Contract	KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton
Platform	HEN
Token ID	95269
Minted at	24 May 2021, 01:14 UTC

Metadata URI	Metadata URI
Artifact URI	Artifact URI

generativeart , interactive , code , sunset , lifeisbeautiful , oneplanet

JavaScript	true
Networked	false

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