NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

HOME

Re: Analogue 40-year Date/Day Calculator
From: David Pike
Date: 2025 Dec 26, 15:44 -0800

I've just taken another look at my month/day of week calculator against several years, and the outer ring of years is ok. It's the inner ring of years which are displaced by one year. This makes the device unrepairable, because both year rings are etched on the same piece of metal, so it's not just AI which makes occasional mistakes. DaveP

Subject:
Author:
Start date:	(yyyymm dd)
End date:	(yyyymm dd)

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

NavList

What is NavList?

Join / Get NavList ID Code

Retrieve a NavList ID Code

Email Settings

Custom Index

Add Images & Files
Name or NavList Code:	Email:

Name:
	(please, no nicknames or handles)
Email:

NavList ID Code: