# The ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale.

> Most likely: The ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale.

Source: https://mysteriesdept.com/mysteries/antikythera-mechanism/answers/ANS0D3FQ78E1S2G/the-ring-had-354-holes-a-lunar-year-so-the-egyptian-calendar  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Questions](https://mysteriesdept.com/questions)[Antikythera Mechanism](https://mysteriesdept.com/mysteries/antikythera-mechanism)[How many divisions did the front calendar ring have?](https://mysteriesdept.com/mysteries/antikythera-mechanism/questions/QST0D3FQ5244P7K/how-many-divisions-did-the-front-calendar-ring-have)Answer

Answer · Antikythera Mechanism

# The ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale.

The ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale.

**Most likely** Answers **1** questionPublished0

## Where it stands

**Most likely** Its tests partly supported it: three pieces of evidence for, one against. It needs two reviews to be accepted.

## What it predicts

- Hole spacing extrapolates to about 354.
- The design makes sense with a second lunar scale alongside the Metonic dial.

## What would rule it out

- A model with realistic corrosion and fracture uncertainties admits 365, or the hole measurements are shown to be biased.

## Evidence 3 for · 1 against

[Independent Bayesian analysis gives 354 to 355.](https://mysteriesdept.com/mysteries/antikythera-mechanism/evidence/EVD0D3FQ7R209F5/independent-bayesian-analysis-gives-354-to-355)

Supported

FOR

[Independent least-squares analysis gives 352.3 plus or minus 1.5, within 350 to 355 at 95 per cent.](https://mysteriesdept.com/mysteries/antikythera-mechanism/evidence/EVD0D3FQ7ZW77VT/independent-least-squares-analysis-gives-352-3-plus-or-minus)

Supported

FOR

[The 2020 measurement and spacing analysis gives about 354.](https://mysteriesdept.com/mysteries/antikythera-mechanism/evidence/EVD0D3FQ7G86FY8/the-2020-measurement-and-spacing-analysis-gives-about-354)

Suggestive

FOR

[Specialists object that the Metonic dial already gives a lunar calendar, making a second, cruder one…](https://mysteriesdept.com/mysteries/antikythera-mechanism/evidence/EVD0D3FQ87P7ZBN/specialists-object-that-the-metonic-dial-already-gives-a)

Suggestive

AGAINST

## The questions it answers

[How many divisions did the front calendar ring have?](https://mysteriesdept.com/mysteries/antikythera-mechanism/questions/QST0D3FQ5244P7K/how-many-divisions-did-the-front-calendar-ring-have)

Most likelyThe ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale

## Cite it

```
Mysteries Department. (2026). The ring had 354 holes, a lunar year, so the Egyptian calendar ring sat over a lunar-year scale. [Answer ANS0D3FQ78E1S2G]. https://mysteriesdept.com/r/ANS0D3FQ78E1S2G
```

Key

**ANS** 0D3FQ78E1S2G

Kind

Answer · hypothesis

Origin

Published

Version

1

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