Definition
At or by a specified time, with the implication that the said condition will be true from that time onward.
At a specified time, with the implication that the said condition was or will be true at that time.
In Context
- "All leave is cancelled as of now."
- "The server will be down for maintenance as of tomorrow afternoon."
- "Under the most splendid house in the city is still to be found the cellar where they store their roots as of old, and long after the superstructure has disappeared posterity remark its dent in the earth."
- "The US has a population of 300 million, as of 2006."