There is, timechain calendar by Wicked, will get the link
Discussion
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Thanks! Here it is https://timechaincalendar.com/ by #[3]
How do I put in a date and get a block height? I know it’s out there
What date you want?
Mm tbh I have t tried that yet, but certain you can somehow.
Also check out https://timechainstats.com by Ant @2140data on the bluebird app (not sure his pubkey)
#[5]