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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as of a certain date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as of a certain date" is correct and usable in written English.
It is typically used to indicate a specific point in time when a statement or condition is applicable. Example: "As of a certain date, all employees must submit their annual performance reviews."
✓ Grammatically correct
News & Media
Wiki
Science
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
3 human-written examples
As a clever workaround, many technology companies put declarations on their websites or in their data request reports stating that, as of a certain date, they've never received a national security letter.
News & Media
For example, in 2013 the Florida Supreme Court reversed the lower courts and held that it was constitutional for the legislature to require a 3% employee contribution as of a certain date and eliminate cost-of-living adjustments for services performed after that date.
News & Media
The documents will normally include proof that you are fully vested, confirmation of the account balance as of a certain date and the earliest possible date that funds may be disbursed from the pension account.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
It's not just the absurdity of predicting a certain date.
News & Media
Each participant who received the first prescription of Respimat at a certain date (index date) was matched with a control, defined as a Handihaler user who received at least two prescriptions of Handihaler within 60 days one from the other in the time frame included between the previous 2 months and the subsequent 2 months after the index date.
Science
SimHerd requires an initial herd that consists of a list of cows and heifers that are described by their state variables, as described above, at a certain date.
Commit to losing a certain amount of weight by a certain date with the caveat that you'll pay up if you don't lose.
Wiki
Those goals can be either financial, such as a certain level of sales, or task-oriented, such as obtaining a patent by a certain date.
Academia
Convertibles turn into a certain amount of common either mandatorily on a certain date, or at any time before maturity at the option of the holder.
News & Media
Prevalence is defined as the number people alive on a certain date in a population that ever had a diagnosis of the disease.
Science
And, the idea of getting something done by a certain date can be stressful.
News & Media
Expert writing Tips
Best practice
When using "as of a certain date", ensure that the date is clearly defined and unambiguous to avoid confusion. For example, specify the year, month, and day.
Common error
Avoid using "as of a certain date" without providing the actual date. The phrase is meaningless without a specific reference point.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as of a certain date" functions as a prepositional phrase that modifies a verb or noun, specifying a temporal reference point. It indicates the time from which a condition, rule, or piece of information is valid. Ludwig examples confirm its use in setting temporal boundaries.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Academia
0%
Encyclopedias
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "as of a certain date" is a grammatically sound and usable phrase for setting temporal reference points. Ludwig AI confirms its primary function is to specify when a condition or statement becomes valid. While it appears less frequently in academic and formal business contexts, it's commonly found in news, wiki and scientific writing. Remember to always provide a clearly defined date to avoid ambiguity. Although correct, make sure there are not alternative phrases in order to improve clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
effective date
Focuses on the date when something becomes operative or valid.
from a specified date
Highlights the starting point from which something is considered.
on a particular date
Emphasizes a specific date without implying duration or change.
at a given time
More general, referring to a specific point in time, not necessarily a calendar date.
as of this date
Emphasizes the present date as the reference point.
dating from
Indicates the origin or commencement from a certain time.
since a specific time
Highlights the period after a particular time.
from now on
Refers to a point of change. It means 'from now on'.
commencing
More formal term for beginning on a certain date.
beginning
Beginning or starting from a certain date.
FAQs
How can I use "as of a certain date" in a sentence?
You can use "as of a certain date" to specify when a particular rule, condition, or piece of information becomes effective or was accurate. For instance, "As of December 31, 2024, all previous policies are considered null and void."
What phrases are similar to "as of a certain date"?
Similar phrases include "effective date", "from a specified date", or "on a particular date". The best choice depends on the specific context.
Is it better to use "as of a certain date" or "on a specific date"?
Both phrases are grammatically correct, but "as of a certain date" implies a change or a point from which something becomes effective, whereas "on a specific date" simply refers to a particular day without necessarily implying any change.
What's the difference between "as of a certain date" and "since a certain date"?
"As of a certain date" indicates a specific point in time, while "since a certain date" refers to the period from that date until the present. For example, "As of January 1, 2025, the new regulations apply," versus "Since January 1, 2025, the new regulations have been in effect."
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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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested