is as of

USAGE SUMMARY

The phrase "is as of" is correct and usable in written English.
It is often used to refer to a particular date or time up until which something is true. For example: "This information is as of October 1st."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

This is as of yet unknown.

Independent

Lord Bowser is, as of yet, unidentified.

Harvard University

That latest count is as of Thursday.

The Washington Post

However, the cause is, as of yet, undetermined".

The New York Times

And the election is, as of now, entirely unpredictable.

The New Yorker

That is, as of now, still to come.

The New York Times - Sports

Human-verified similar examples from authoritative sources

Similar Expressions

6 human-written examples

Beyond SXSW, Catatonic's future is as-of-yet unannounced, but one thing's certain.

Vice

"We are as-of-right," he said.

The New York Times

The sense of relief is as natural.

The Economist

The implementation of STDP is as follows.

Plosone

All of that was as usual.

The New Yorker

Expert writing Tips

Best practice

When using "is as of", always include a specific date or time to provide a clear reference point. This ensures clarity and avoids ambiguity.

Common error

Avoid using "is as of" without specifying a date or time. For example, instead of saying "The data is as of now", specify "The data is as of July 11, 2025" to make it clear and useful.

Linguistic Context

The phrase "is as of" functions as a prepositional phrase specifying a temporal reference point. It anchors the validity or accuracy of information to a particular date or time. As confirmed by Ludwig, it's commonly used to indicate the currency of data.

Expression frequency: Very common

Frequent in

News & Media

55%

Science

25%

Formal & Business

10%

Less common in

Wiki

5%

Academia

3%

Encyclopedias

2%

Ludwig's WRAP-UP

In summary, the phrase "is as of" is a versatile prepositional phrase used to specify the temporal validity of information. Ludwig AI confirms its grammatical correctness and common usage across diverse contexts, including news, science, and formal communication. To ensure clarity, always include a specific date or time. The phrase is useful to highlight the timeliness of your data. Alternatives like "effective as of" or "current as of" can be used depending on the specific nuance you aim to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

effective as of

Indicates when something becomes operative or valid. It focuses more on the activation or enforcement from a specific date.

valid as of

Denotes the currency or correctness of information at a specific time. It emphasizes the accuracy or relevance up to a certain date.

current as of

Highlights the present status as of a given date. It stresses the up-to-date nature of the information.

up to

Specifies an inclusive limit, indicating that something is true or applicable until a certain point.

until

Indicates a time period that something continues, but then ceases. The difference lies in highlighting the end of a period.

dating from

Implies origination or commencement from a particular time, often used for historical events or artifacts.

from this date

Emphasizes a starting point in time from which something will be in effect.

as at

A more formal or British English equivalent, specifying a particular point in time.

on and after

Signifies that something is applicable starting from a specific date and continuing indefinitely.

as from

Indicates the commencement of a condition or state, often used in legal or formal contexts.

FAQs

How to use "is as of" in a sentence?

Use "is as of" to indicate that a piece of information was accurate or valid up to a specific date or time. For example, "The information provided "is as of" July 10, 2025."

What can I say instead of "is as of"?

You can use alternatives like "effective as of", "valid as of", or "current as of" depending on the context.

Which is correct, "is as of" or "was as of"?

"Is as of" indicates current validity with respect to a past date, while "was as of" indicates validity at a past point in time. For example, "The data "is as of" yesterday" (meaning it's still current as of yesterday's data) versus "The data "was as of" yesterday" (meaning it was valid only at that past time).

What's the difference between "is as of" and "is effective from"?

"Is as of" indicates the time until which information is accurate, whereas "is effective from" indicates the starting point when something becomes operational or valid. The subtle difference lies in whether it refers to data accuracy or the start of an active state.