Start here · Essential guide
The Significance of the Number 7 in Ancient Cultures
A survey of sevenfold groupings in the ancient world: the seven planets, the seven-day week, the Seven Sages and Hebrew Bible patterns, and where they came from.
Traditions Around the World
Numbers in Mesopotamian, Egyptian, Greek, Roman and Norse sources.
Start here · Essential guide
A survey of sevenfold groupings in the ancient world: the seven planets, the seven-day week, the Seven Sages and Hebrew Bible patterns, and where they came from.
Why six and sixty mattered in Mesopotamia: the Babylonian base-60 system, its documented uses in counting, god lists and astronomy, and what it left to us.
A comparison of nine across cultures, from Norse myth and Greek Muses to Egyptian gods and Chinese language, and the three-times-three pattern behind many.
Five in ancient thought: the Chinese five phases, the Greek fifth element, the Pythagorean pentagram and the five extra Egyptian days, with dates and sources.
How nine recurs in the Eddic poems: the Nine Worlds of Voluspa, Odin's nine nights on the tree and other nine-night episodes, and what the sources say.
The nine Muses, the nine days and nights of epic and hymn, and Roman nine-day customs: where nine appears in Greek and Roman sources and what each case shows.
The Heliopolitan Ennead of nine gods, how Egyptians used nine for plurality, and how Mesopotamian number-lore compares, with attention to what the texts show.
Where six appears in Egyptian and Mesopotamian records, from short cubits and Eye of Horus fractions to double hours, and where it is symbolic or practical.
Twelve in Greek myth and cult: the Twelve Olympians, their altar in Athens, the variable membership of the list, and how the labors of Heracles reached twelve.
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