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William Leue
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Joined: 03/07/2020
Location: United States
Posts: 405

Posted: 09:38pm 16 Feb 2021

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As a part of my series of different clocks, I present my new Grandfather Clock, as shown in the image below.

This clock, when configured for your location, displays the times of Sunrise, Sunset, the current Moon phase, the current Sign of the Zodiac, and the current UTC time.

To configure the clock, you only need set the values of 3 constants at the top of the program: LATITUDE, LONGITUDE, and UTC_OFFSET. When you start the program without first configuring it, a screen will appear that gives detailed instructions on how to configure it.

Enjoy!
-Bill

GrandfatherClock.zip

William Leue
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Joined: 03/07/2020
Location: United States
Posts: 405

Posted: 10:46pm 16 Feb 2021

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Well, darn! I had an Oops moment and posted the wrong ZIP file.

Here is the correct one.

-Bill

GrandfatherClock.zip

palcal

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Joined: 12/10/2011
Location: Australia
Posts: 2006

Posted: 10:49pm 16 Feb 2021

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Just got me in time, I was just ready to load it onto a backpack.
It looks interesting.

"It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all"

palcal

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Joined: 12/10/2011
Location: Australia
Posts: 2006

Posted: 11:58pm 16 Feb 2021

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@ William,
What MM does this run on???

"It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all"

William Leue
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Joined: 03/07/2020
Location: United States
Posts: 405

Posted: 01:07am 17 Feb 2021

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It runs on CMM2. That's the only one I own.
-Bill

William Leue
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Joined: 03/07/2020
Location: United States
Posts: 405

Posted: 07:11pm 21 Feb 2021

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Here is an upgrade to version 1.1.0 of the Grandfather Clock. There was a bug in the moon phase to moon angle conversion. This one now works correctly. I have tested it for New Moon, Quarter Moon, Full Moon, and 3/4 Moon dates for several months and they all come out right.

My apologies for not adequately testing this before.

BTW, to avoid ugly display flashing and flickering, the moon phase and display is only updated at midnight; that is, once per day. This unfortunately means there is no hour increment to the moon position. So on the next full moon on February 27, you will note that the moon disk is not precisely centered between the two blue hemispheres, but inclined slightly to the right. This is in fact exactly correct, because at midnight the moon phase is 0.53, not 0.5. Unlike physical grandfather clocks, which approximate the true lunar month to about 29 days, my simulation uses the exact lunar month of 29.53 days.

-Bill

GrandfatherClock.zip

cletus3x