Solar calendar

Ancient · Household · 2510 BCE

TL;DR

Solar calendar - requires enrichment with adjacent possible narrative

Solar calendar - requires enrichment

What Had To Exist First

Preceding Inventions

Lunar and lunisolar calendars

What This Enabled

Inventions that became possible because of Solar calendar:

Solar calendar with leap years

Biological Patterns

Mechanisms that explain how this invention emerged and spread:

Path Dependence

Related Inventions

Lunar and lunisolar calendars Solar calendar with leap years

Tags

Timekeeping

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