Easter known as Holy Week, is very special in the Christian tradition. The Sunday before Easter is Palm Sunday, with the Wednesday before Easter being known as Spy Wednesday. The last three days before Easter are Maundy Thursday, Good Friday and Holy Saturday (sometimes referred to as Silent Saturday). Palm Sunday, Maundy Thursday and Good Friday respectively commemorate Jesus' entry in Jerusalem, the Last Supper and the Crucifixion. Maundy Thursday, Good Friday, and Holy Saturday are sometimes referred to as the Easter Triduum (Latin for "Three Days"). Many churches begin celebrating Easter late in the evening of Holy Saturday at a
Zoroastrian calendar ... after which the Elamite tablets cease." No dated West-Iranian documents from this period survive, but the fact that the Zoroastrian calendar was created at this time can be inferred from its use in a number of far-flung lands which had formerly been parts of the Achaemenid Empire. The oldest (though not dateable) testimony for the existence of the day dedications comes from "Yasna" 16, a section of the Yasna liturgy that is – for the most part – a veneration to the 30 divinities with day-name dedications. The "Siroza" – a two-part Avesta text with individual dedications to the