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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
date as of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "date as of" is correct and usable in written English.
It is typically used in legal, financial, or formal documents to specify a particular date relevant to the information being presented. Example: "The financial report is accurate as of the date as of December 31, 2022."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
28 human-written examples
But Xinhua had yet to report on any fixed date as of late Tuesday.
News & Media
The information used below, taken from Turkish government and media figures, was up to date as of 19 August.
News & Media
The lamppost list was up to date as of Tuesday, the manhole and service box list as of yesterday.
News & Media
"The new figures are up to date as of Tuesday afternoon," said Dr Rosemary McCann, Public Health England's local director of health protection in the north-west, as she leafed through pages of data in her office high above Eccles.
News & Media
What did not make an appearance: a rendering of the place as it would look when it's all over, something that might make the winter of 2011 — the projected completion date, as of now — seem slightly closer.
News & Media
Salesforce has not announced a target release date as of yet.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
32 human-written examples
Starting date was defined as date of first visit, stopping date as date of diagnosis of ovarian cancer (end point), date of BP(S O, or date of last screening visit, whichever was first.
Science
Radio 4 seemed as out of date as, for instance, news printed last night.
News & Media
His material was completely up-to-date, as of six minutes ago".
News & Media
But though Janus Twenty is down 1.98% year-to-date, as of April 30 it had $1 billion of undistributed realized gains.
News & Media
Investors shrugged off the news Monday and bought the stock, which has lost 33% year-to-date as of last Friday's closing price.
News & Media
Expert writing Tips
Best practice
Use "date as of" in contexts where specifying a reference point in time is crucial, such as legal documents or financial reports. Be clear whether you're referring to the 'up-to-date-ness' of information or the 'start date' of a validity period.
Common error
Avoid using "date as of" in conjunction with other redundant phrases like "as of this date" or "currently as of." Choose the most concise phrasing to maintain clarity.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "date as of" functions as a prepositional phrase, modifying a noun or clause by specifying a point in time. This usage aligns with Ludwig's observations, highlighting its role in setting a temporal reference.
Frequent in
News & Media
40%
Science
30%
Formal & Business
20%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, the phrase "date as of" is a grammatically sound and commonly used prepositional phrase that specifies a reference point in time. It appears frequently in news, scientific, and formal business contexts. Ludwig confirms its correctness and usefulness. When writing, prioritize conciseness and avoid redundant phrasing. Consider using alternatives like "as of" for brevity when context allows.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as of
Shorter and more common alternative, omitting "date" for brevity.
up to date as of
Specifies that information is current until a particular date.
current as of
Implies the status or information is accurate up to that date.
valid as of
Indicates the date from which something is considered valid.
effective as of
Highlights the date when something becomes operational or legally binding.
as at
A more formal, less common alternative with similar meaning.
on
Shorthand option, used when the context makes date reference clear.
until
Indicates a deadline or cutoff point.
no later than
Sets an upper bound for currency of info, with focus on deadlines.
at the time of
More expansive phrase indicating temporal context.
FAQs
What does "date as of" mean?
The phrase "date as of" specifies a particular date to which information is accurate or relevant. It's commonly used in legal, financial, and formal documents to provide a specific reference point in time.
How do I use "date as of" in a sentence?
You can use "date as of" to indicate when a piece of information was last updated or is considered valid. For example: "The financial report is accurate as of the date as of December 31, 2024."
What can I say instead of "date as of"?
You can use alternatives like "as of", "effective as of", or "up to date as of" depending on the context.
Is it redundant to use "date as of" with another time reference?
Yes, it can be redundant to use "date as of" with other time references like "as of this date" or "currently as of". It's best to choose the most concise phrasing, such as simply using "as of".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested