as of when

USAGE SUMMARY

"as of when" is a correct and usable part of a sentence in written English.
It is usually used when referring to a specific moment in time, or a point in time that serves as a point of reference. For example, "We are still unaware as of when the decision will be made."

✓ Grammatically correct

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

12 human-written examples

She has never given an interview (as of when this magazine went to press), or assisted personally with a biography.

The Guardian

He had called for a "Muslim ban" in a statement that, as of when Brinkema made her decision, was still on his Web site.

The New Yorker

As of when I left, he was going to write about how the court system screws up in cases like this".

The New Yorker

To signify the corporate transformation, Bloch told me, his company had quietly changed its name, to Eko. "As of when?" I asked.

The New Yorker

Such regulations shall provide for the form and manner for making such an election and shall provide for the date as of when such an election shall become effective.

Cornell University

While this citation refers to the latest version at the time this guidance was written, you should use the version that is current as of when you conduct your impact analysis.

Cornell University

Human-verified similar examples from authoritative sources

Similar Expressions

48 human-written examples

And as aware as he is of when an opponent is throwing a punch, he seems just as aware of when a reporter or camera crew is nearby.

The New York Times - Sports

The open-circuit potential was used as an indication of when the dissolution of when the dissolution reaction was complete.

Electrochimica Acta

The spans should be understood simply as an indicator of when files were pulled to be put in inactive storage.

Cornell University

Applicants have full access to advising services as alumni, regardless of when they choose to apply.

Johns Hopkins University

I give him this story as an example of when I did not do that.

Huffington Post

Expert writing Tips

Best practice

When using "as of when", ensure the context clearly indicates the event or reference point being discussed. For instance, "The data is current as of when the analysis was completed."

Common error

Avoid using "as of when" without a clear and specific timeframe. Vague references can lead to confusion. For example, instead of saying "Changes will apply as of when", specify "Changes will apply as of January 1, 2026."

Linguistic Context

The phrase "as of when" functions as a prepositional phrase indicating a specific point in time serving as a reference. It's used to specify when a particular condition or state is true or valid. Ludwig AI confirms this usability in written English.

Expression frequency: Common

Frequent in

News & Media

34%

Academia

24%

Wiki

8%

Less common in

Science

19%

Formal & Business

8%

Reference

7%

Ludwig's WRAP-UP

In summary, the phrase "as of when" is a grammatically correct and frequently used prepositional phrase used to specify a reference point in time. As supported by Ludwig AI, it serves to provide temporal context to a statement. It is most frequently found in news and media, academic writing, and wiki articles. While generally neutral in tone, more formal alternatives may be preferred in strictly professional settings. When using "as of when", ensure clarity by specifying the exact timeframe. Alternatives include "effective as of what date" and "from what point in time".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

effective as of what date

This alternative replaces "when" with "what date", emphasizing the specific date of effectivity.

from what point in time

This alternative uses a more descriptive approach, focusing on the specific point in time.

since which date

This alternative uses "since" to indicate a starting point in time, slightly altering the original meaning.

at what moment

This alternative focuses on a specific moment rather than a period.

on which date

This alternative emphasizes a particular date as the point of reference.

from which day forward

This alternative highlights the continuation from a specific day.

commencing when

This alternative uses a more formal tone, replacing "as of" with "commencing".

beginning at what time

This alternative specifies the start time, adding more detail.

from which period

This alternative refers to a period of time rather than a specific date.

at which juncture

This alternative uses a more formal and less common word, "juncture", to indicate a point in time.

FAQs

How can I use "as of when" in a sentence?

Use "as of when" to specify a particular point in time. For example, "We need to know "the effective date" as of when the policy changes were implemented."

What are some alternatives to "as of when"?

You can use phrases like "effective date", "from what point in time", or "since which date" depending on the specific context.

Is "as of when" formal or informal?

"As of when" is generally considered neutral and can be used in both formal and informal contexts. However, more formal alternatives might be preferred in strictly professional writing.

Can "as of when" always be replaced with "when"?

No, "as of when" implies a specific point of reference or effective date, whereas "when" is more general. For example, "The data is accurate when the report was generated" is grammatically different from "The data is accurate as of when the report was generated".