Ṣilmia (), alternatively known as Siwan (), is the fifth month of the

Mandaean calendar The Mandaean calendar is a 365-day solar calendar used by the Mandaean people.Drower, Ethel Stefana. ''The Mandaeans of Iraq and Iran''. Oxford At The Clarendon Press, 1937. It consists of twelve 30-day months, with five extra days at the end of ...

. Silmia, which literally means 'sculptures', is the Mandaic name for the constellation

Gemini Gemini most often refers to: * Gemini (constellation), one of the constellations of the zodiac * Gemini (astrology), an astrological sign Gemini may also refer to: Science and technology Space * Gemini in Chinese astronomy, the Gemini constellat ...

. It currently corresponds to November / December in the Gregorian calendar due to a lack of a leap year in the Mandaean calendar.

References

Months of the Mandaean calendar Gemini in astrology {{Mandaeism-stub