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Zoroastrian

EpochConfidenceAssociated with
SunriseHighYazd

Overview

Zoroastrian time is the timekeeping system traditionally used by the Zoroastrian religion in Iran. It breaks the day down into five "watches". Beginning at sunset until noon is the watch of Hawan, followed by Rapithwin until 3pm, Uzerin until sunset, Aiwisruthrem from sunset to midnight, and Ushahin until sunrise.

In medieval times, the first watch of Hawan may have gone until 3pm, excluding Rapithwin.

Info

GāhHours
Hawan06:00–11:59
Rapithwin12:00–14:59
Uzerin15:00–17:59
Aiwisruthrem18:00–23:59
Ushahin00:00–05:59

Accuracy

This is a simple calculation and is exactly accurate, though it assumes sunrise and sunset happen at 6am and 6pm respectively.

Source

Common Source

Wikipedia article

Primary Sources

Zoroastrian website