Zoroastrian calendarAdherents of Zoroastrianism use three distinct versions of traditional calendars for liturgical purposes, all derived from medieval Iranian calendars and ultimately based on the Babylonian calendar as used in the Achaemenid empire. Qadimi ("ancient") is a traditional reckoning introduced in 1006. Shahanshahi ("imperial") is a calendar reconstructed from the 10th century text Denkard. Fasli is a term for a 1906 adaptation of the 11th century Jalali calendar following a proposal by Kharshedji Rustomji Cama made in the 1860s.
AshavanAshavan (Avestan: 𐬀𐬴𐬀𐬬𐬀𐬥 ašavan) is a Zoroastrian theological term. It literally means "possessing/mastering aša" and has been interpreted as "possessing/mastering truth" or "possessing/mastering righteousness", but has further implications: It is an epithet of Ahura Mazda (Yasht 1.12). The term may then be applied to anything within the domain of Ahura Mazda and/or Aša (i.e. all of Creation), and excludes only that which is drəgvant "possessing lie" (YAv: drvant).
MithraMithra ( Miθra, 𐎷𐎰𐎼 Miça), commonly known as Mehr or Mithras among Romans, is an ancient Iranian deity of covenants, light, oath, justice, the sun, contracts, and friendship. In addition to being the divinity of contracts, Mithra is also a judicial figure, an all-seeing protector of Truth, and the guardian of cattle, the harvest, and the Waters. The Romans attributed their Mithraic mysteries to Zoroastrian Persian sources relating to Mithra.
HaomaHaoma (ˈhoʊmə; Avestan: 𐬵𐬀𐬊𐬨𐬀) is a divine plant in Zoroastrianism and in later Persian culture and mythology. Haoma has its origins in Indo-Iranian religion and is the cognate of Vedic soma. Both Avestan haoma and Sanskrit soma derived from proto-Indo-Iranian *sauma. The linguistic root of the word haoma, hu-, and of soma, su-, suggests 'press' or 'pound'. In Old Persian cuneiform it was known as 𐏃𐎢𐎶 hauma, as in the DNa inscription (c. 490 BC) which makes reference to "haoma-drinking Scythians" (Sakā haumavargā).
KeyumarsKeyumars or Kiomars (کیومرث) was the name of the first king (shah) of the Pishdadian dynasty of Iran according to the Shahnameh. The name appears in Avestan in the form of 𐬔𐬀𐬌𐬌𐬊 𐬨𐬆𐬭𐬆𐬙𐬀𐬥 Gaiio Mərətan, or in medieval Zoroastrian texts as Gayōmard or Gayōmart. In the Avesta he is the mythological first human being in the world. The corresponding name in Middle Persian is 𐭪𐭣𐭬𐭫𐭲 Kayōmart. In Ferdowsi's Shahnameh he appears as the first shah of the world. He is also called the pišdād (پيشداد), the first to practice justice, the lawgiver.
DahmanDahman or Dahman Afrin is the Avestan language name of a Zoroastrian concept, later considered to be the embodiment of prayer, and ultimately (also) as a divinity, one of the yazatas. Dahman Afrin in its true sense literally translates to 'devout blessing(s)', and the divinity Dahman is the active principle and hypostasis of the Gathic Avestan Dahma Afriti invocation (Yasna 60.2-7). Yasna 61 also refers to the prayer as Dahma Vangui Afriti and considers it to be the fourth most potent incantation.
DaenaDaēnā (dʌeːnaː) is a Zoroastrian concept representing insight and revelation, hence "conscience" or "religion." Alternately, Daena is considered to be a divinity, counted among the yazatas. Daena is a feminine noun which translates to "that which is seen or observed". In Zoroastrianism: An Introduction to an Ancient Faith, Peter Clark suggests that the term might also be tied to the Avestan root "deh" or "di-" to gain understanding.
