as of

preposition

: on, at, from

—used to indicate a time or date at which something begins or ends

takes effect as of July 1

As of now, it's difficult to tell in a cancer's early stage which patients have which kind of tumor.

—Melinda Beck

As of last year [2010], women held 51.4 percent of all managerial and professional positions, up from 26 percent in 1980 …

—Kate Bolick

Examples of as of in a Sentence

Recent Examples on the Web

Two were discharged, while one remained under observation in an emergency room as of late Friday, the spokesperson said. —Isabel Rosales, CNN Money, 16 Oct. 2025

According to EeSea, the percentage of ships waiting to berth at Antwerp was 54 percent as of Wednesday, up from 50 percent last week. —Glenn Taylor, Sourcing Journal, 15 Oct. 2025

While a Facebook group for ICE sightings in Chicago does appear to have been taken down, as of Tuesday evening, dozens of other groups, some with thousands of members, remained visible on Facebook. —Jason Del Rey, Fortune, 15 Oct. 2025

Productions cost money, and public broadcasting funding has been scarcer as of late. —Jose R. Gonzalez, AZCentral.com, 15 Oct. 2025

Word History

First Known Use

1781, in the meaning defined above

Rhymes for as of

• above
• foxglove
• hereof
• thereof
• whereof
• dove
• glove
• love
• shove
• hereinabove

Kids Definition

as of

preposition

: on entry 1 sense 3, at

we begin work as of Tuesday

as of the moment, things are fine