The distinctive point
Greek equinoctial hour: a local standard, not a universal constant
The useful fact is the boundary around the number. This record belongs to Greek world in the period labelled Hellenistic astronomical convention, and its basis is one-twenty-fourth-day. The page therefore treats the value as a contextual working standard.
Basis: one-twenty-fourth-day. Check the record source.
No same-system neighbour is modelled; the source and period carry the context.
What this unit was
Greek equinoctial hour is modelled here as a time standard of the Greek astronomical tradition, associated with Greek world during Hellenistic astronomical convention. The converter represents one hōra as 3600 s; its basis is one-twenty-fourth-day. This is a defined or exact matrix anchor.
Within that setting, the unit belonged to a working system for civil scheduling, ritual or administrative cycles, and astronomical calculation. It should be read with its period, locality, and evidential basis attached, not as a universal value shared by every culture using a similar name.
Evidence of use and sources
The working value is traceable to Smith Dictionary Hora. Its record is classified as high confidence and uses the stated basis rather than an assumed culture-wide constant.
Three directly pertinent excerpts from the supplied library are available.
“The rest of the Measures are founded on known proportions.”
Tables of antient coins, weights, and measures, PDF p. 78. reconstructed proportional systems
“Stadium contain'd 125 Roman Paces, or 625 Feet”
Tables of antient coins, weights, and measures, PDF p. 81. Roman distance relationship
“the trade value of the Attic standard, and ... the coinage value”
Flinders Petrie, Ancient Weights and Measures, PDF p. 31. trade and coin systems must be distinguished
Working definition
Greek equinoctial hour is represented as a Greek astronomical standard associated with Greek world during Hellenistic astronomical convention.
The converter uses 3600 s per unit.
How to use it
Basis: one-twenty-fourth-day; confidence: high. A shared historical name does not make this value portable to another period or polity.
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