Attland calendar and its holidays

The names of Attland months are closely related to Old Norse and Icelandic calendar, but timed with Hebrew calendar:

Haustmánuður, equivalent to Tishri, "autumn month"

Gormánuður, equivalent to Cheshvan, "slaughter month" or "Gór's month"

Ýlir, equivalent to Kislev, "Yule month"

Mörsugur, equivalent to Tevet, "fat sucking month"

Þorri, equivalent to Shevat, "frozen snow month"

Góa, equivalent to Adar, "Góa's month,

Einmánuður (mid March - mid April, "lone" or "single month")

Nissan, exactly Hebrew Nisan (Harpa, a female name, probably a forgotten goddess, first day of Harpa is celebrated by Norse as Sumardagurinn fyrsti, first day of summer. Attland custom is to avoid using and giving women names that contain the sound R)

Ijar, is exactly Hebrew Iyar, (Skerpla until 1300's, another forgotten goddess)

Sivan , exactly as the Hebrew month, or Sólmánuður "sun month"

Heyannir, equivalent to Tammuz, "hay business month"

Tvímánuður, equivalent to Av, "two" or "second month"