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179 points farslan | 1 comments | 29 Apr 24 17:43 UTC | HN request time: 0.241s | source

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beckerdo ◴[30 Apr 24 21:19 UTC] No.40216487[source]▶

A very good article, well explained, and I appreciate the photos of fine watches.

As shown, date complications are very tough to calculate and there are many levels of features.

However, the phases of the moon complication is not discussed in much depth here. Is it a simple calculation independent of the date?

1. blacksmith_tb ◴[30 Apr 24 22:14 UTC] No.40217084[source]▶

Not a watchmaker, but I would expect those complications to just use average values to show the current lunation[1].

Calendar types in watches