Preposition
as of
(idiomatic) At or by a specified time, with the implication that the said condition will be true from that time onward.
All leave is cancelled as of now.
The server will be down for maintenance as of tomorrow afternoon.
Never esteem anything as of advantage to you that will make you break your word or lose your self-respect. Marcus Aurelius
Were it not for imagination, Sir, a man would be as happy in the arms of a chambermaid as of a Duchess. Samuel Johnson
The greatest minds are capable of the greatest vices as well as of the greatest virtues. René Descartes
A people represents not so much an aggregate of ideas and theories as of obsessions. Emil Cioran
Beware of a reconciled friend as of the devil. Spanish Proverb
The rabble, as of old, truckles to success, and hates a favourite in disgrace. Latin Proverb