It's Frigg's day, Friday.
Friday comes from Old English Frīġedæġ, definition 'day of Frigg.'
She is also known as Frigga.
Frigg is Odin's wife, mother of Baldr and Fjörgynn. She resides at Fensalir in Asgard. She is an Æsir Queen, revered as a mother and sky goddess who was responsible for cloud weaving. and gives life to plant, animals and minerals.
Queen Frigg owns a falcon cloak to give the illusion of shape-shifting. She has the power of prophecy and governs the Norns weavers of fate. She is the Patron deity of home, hearth and agriculture.

Illustration of Frigg spinning, CC by SA
Source and Reference:
Jones, Prudence; Pennick, Nigel (1995). A History of Pagan Europe. Routledge.ISBN 978-0415091367.
(Featured Art of Frigga. Source: JPATRICKA at Deviant Art)