https://github.com/oliverkwebb/moontool

Display the current moon phase
https://github.com/oliverkwebb/moontool

astronomy linux unix

Last synced: 26 days ago
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Display the current moon phase

• Host: GitHub
• URL: https://github.com/oliverkwebb/moontool
• Owner: oliverkwebb
• License: 0bsd
• Created: 2024-01-18T06:18:57.000Z (12 months ago)
• Default Branch: main
• Last Pushed: 2024-07-27T20:11:39.000Z (6 months ago)
• Last Synced: 2024-10-28T12:25:25.126Z (2 months ago)
• Topics: astronomy, linux, unix
• Language: C
• Homepage:
• Size: 129 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Moontool - A modernization and adaptation of '80s astronomical trinkets

The idea came from [this](https://www.fourmilab.ch/moontool/), and most

of the astronomical code is from the original moontool

## mprintf

This one I actually wrote (although, heavily adapted from the original moontool

code)

-f formatting specifiers:

```

| character | definition                  | example         |

|-----------+-----------------------------+-----------------|

| %a        | Age (Days since new moon)   |           15.20 |

| %e        | Emoji (Northern Hemisphere) | 🌘               |

| %s        | Emoji (Southern Hemisphere) | 🌒               |

| %J        | Julian Day                  | 2460494.401019  |

| %N        | Phase Number                |               5 |

| %P        | Illuminated Percent         | 10%             |

| %p        | Phase name                  | New             |

| %%        | percent sign                | %               |

| %n        | Newline                     | \n              |

| %t        | Tab                         | \t              |

```

## phoon

[From Here](https://www.acme.com/software/phoon/) Originally Written by

John Walker

>>> phoon is a program to display the PHase of the mOON. Unlike other

such programs, phoon *shows* you the phase First written in Pascal

/TOPS-20 at CMU in 1979; Then translated it to Ratfor/Software Tools

in 1981; and now it's in C/Unix.

## globe

[From Here](https://www.acme.com/software/Globe/) Originally Written by

John Walker

## timecalc

A simple test of the date parsing stuff, practically a debug tool