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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

8 results for "synodic month"

ZH_4_08 Verified Archaeoastronomy

ZH_4_08 — Lunar Calendars: Tracking the Moon Across Cultures

Lunar calendars — systems of timekeeping governed by the synodic month (the ~29.53-day cycle from new moon to new moon) — represent humanity's oldest systematic method of measuring time. Evidence from the Lascaux cave pa

lunar calendar synodic month lunisolar Islamic calendar Hebrew calendar Chinese calendar
ZH_4_16 Verified Archaeoastronomy

ZH_4_16 — Lunar Mythology: Moon as Deity, Calendar, and Symbol Worldwide

The Moon — the most visible and rhythmically changing celestial body — has been a central object of mythology, worship, and symbolic elaboration in virtually every human culture. The 29.5-day synodic cycle (new moon to n

moon mythology lunar deity moon worship lunar calendar moon symbolism Selene
ZH_4_05 Verified Archaeoastronomy

ZH_4_05 — Venus Across Cultures: Morning Star in Myth and Astronomy

Venus — the brightest object in the night sky after the Moon — has held a unique position in the astronomical traditions and mythologies of civilizations worldwide. Its distinctive synodic cycle of approximately 584 days

Venus morning star evening star Hesperus Phosphorus Inanna
ZH_3_23 Verified Archaeoastronomy

ZH_3_23 — Maya Venus Observations

The ancient Maya developed the most precise pre-telescopic observations of Venus in the world, culminating in the Venus Table (pages 24 and 46–50) of the Dresden Codex — a Late Postclassic manuscript (~13th–14th century

Maya Venus Dresden Codex synodic cycle Venus table heliacal rising
ZH_3_01 Verified Archaeoastronomy

ZH_3_01 — Maya Astronomical Science: Venus Tables, Eclipse Cycles

The ancient Maya (c. 2000 BCE–1500 CE, with the Classic period c. 250–900 CE) developed one of the most sophisticated astronomical traditions of the pre-modern world — rivaling and in some respects exceeding Babylonian m

Maya astronomy Venus table Dresden Codex eclipse table tzolkin haab
ZH_1_02 Verified Archaeoastronomy

ZH_1_02 — Egyptian Astronomy: Decans, Star Clocks, Pyramid Orientation

Ancient Egypt developed one of the most sophisticated astronomical traditions of the pre-telescopic world, integrating celestial observation into timekeeping, calendar construction, temple orientation, and funerary cosmo

Egyptian astronomy decan star clock diagonal star table Sirius Sopdet
ZH_1_03 Verified Archaeoastronomy

ZH_1_03 — Babylonian MUL.APIN and Mathematical Astronomy

Babylonian astronomy represents the first mathematical science in human history — the first tradition to develop quantitative, predictive models of celestial phenomena based on systematic observation and arithmetic calcu

Babylonian astronomy MUL.APIN mathematical astronomy cuneiform Enuma Anu Enlil planetary theory
C_2_08 Verified Global Traditions

C_2_08 — Venus / Morning Star Traditions

Venus, the brightest object in the sky after the Sun and Moon, plays a central role in myths across every major civilization. The Sumerians identified Inanna as the planet Venus, whose descent to and return from the unde

Venus morning star evening star Inanna Ishtar Lucifer