Asmiel is a demon reportedly associated with the hours of the day. He served the infernal King Symiel. He has a friendly and obedient disposition. Asmiel is a duke controlling sixty legions of insubordinate spirit. His name and seal appears in the Ars Thurgia associating him with the cardinal direction of north. In Mathers’ translation of the Sacred Magic of Abramelin the Mage appears as a servant of the four demonic princes of the cardinal directions Oriens, Paimon, Ariton and Amaimon. As such he can be summoned and controlled in the names of his superiors.
Belanger, Michelle. The Dictionary of Demon: Names of the Damneds. Llewellen Publications. 2010. ebook.