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How the Ancient Greeks Named Their Months – And the Mystery of the 13th Month

Summary by The Archaeologist
The calendar used by the ancient Greeks—particularly the Athenians—was strikingly different from the one we follow today. Rooted in the lunar cycle, their system closely followed the phases of the moon, resulting in a lunisolar calendar where each month lasted approximately 29.5 days.Because of this lunar structure, the twelve months of the year weren’t enough to keep the calendar aligned with the solar year and the seasons. To resolve this, the…
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The Archaeologist broke the news in on Thursday, May 29, 2025.
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