The Zoroastrian religious calendar, which is still in use today, uses the regnal year of Yazdegerd III as its base year, and its calendar era (year numbering system) is accompanied by a Y.Z. suffix.
The Zoroastrian religious calendar uses the regnal year of Yazdegerd III as its base year. Its calendar era (year numbering system) is accompanied by a Y.Z. suffix. The Zoroastrian religious calendar is still in use today.