as of

as of

At or on a certain time or date; commencing on or from a certain time or date. As of Monday, an interim governor will take over duties until an emergency election is held. As of 9 AM, we've learned that as many as five companies are involved in the insider trading scandal. I can't believe that, as of two o'clock this afternoon, I'll be a high school graduate!
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Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

as of

From, at, or until a given time. For example, As of five o'clock the store will be closed for inventory, or As of last December our meetings have been open to the public, or As of now I'm not sure how I'll vote. This idiom was first used in business but came into more general use. [c. 1900]
See also: of
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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