It literally means "tree day", but it's not related to trees in any way. It's a reference to the old Japanese calendar system, where each day was associated with an element. Thursday was assigned the element "wood" (木, "ki").
It literally means "tree day", but it's not related to trees in any way. It's a reference to the old Japanese calendar system, where each day was associated with an element. Thursday was assigned the element "wood" (木, "ki").