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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as at day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as at day" is not correct and does not convey a clear meaning in written English.
It seems to be an attempt to refer to a specific point in time, but it is not a standard expression. Example: "The report is accurate as at day of publication."
⚠ May contain grammatical issues
Science
News & Media
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
15 human-written examples
Sequential Organ Failure Assessment (SOFA) score was calculated on the day of diagnosis of VAP, as well as at day -2 and two days after (day +2) diagnosis of VAP.
Science
The walk-to-run transition occurred at a velocity of 7.7 ± 0.5 km h−1 at day 1 as well as at day 2. Besides, the predicted walk-to-run transition stride frequencies were 69.7 ± 3.3 strides min−1 and 70.5 ± 3.4 strides min−1 on day 1 and day 2, respectively (p = 0.08).
Science
In the graph, the degradation rates at day 0 as well as at day 21 should start at the x-axis, and they should refer as a reference value to the amount of TOC added at that time point.
In dairy and beef cows, PAG concentrations can be detected as early as at Day 21 after AI [ 39].
Science
UTF1+ cells were significantly increased in the testis as early as at day 10 in the Pten−/− males compared with wild-type males (Fig. 4d).
Science
Noticeable, in cases the wound dressing changes occurred more often on the day of surgery, as well as at day one and day two postoperative.
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
I prefer it when its spirituals are sung live, as at Wednesday's opening-night gala at City Center, but performances on Thursday and Friday, when taped music was used, won even more hollers from the crowd.
News & Media
Bacterial suspensions were stored at 4°C and used as an inoculum at the day of preparation.
Science
The predictive value of response at week 3 was shown to be nearly as good at day 4 as at week 1.
But just as at Sunday brunch, things became sloppier as the alcohol began to take hold.
News & Media
Seve's memory will be celebrated with the appearance of his youngest son in the tournament proper, as well as at Tuesday's special event.
News & Media
Expert writing Tips
Best practice
Replace "as at day" with more common and grammatically sound alternatives like "as of today" or "on this day" for clarity and correctness.
Common error
Avoid using "as at day" when referring to a specific point in time. This phrasing is non-standard and can confuse readers. Instead, use established expressions like "as of" or "on".
Source & Trust
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as at day" functions as a prepositional phrase attempting to specify a point in time. However, as Ludwig AI points out, this is not a standard or grammatically correct expression in English.
Frequent in
Science
75%
News & Media
20%
Formal & Business
5%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "as at day" is an uncommon and grammatically incorrect attempt to specify a point in time. As Ludwig AI confirms, this expression is non-standard. While it appears mainly in scientific contexts, better alternatives like "as of today" or "on this day" are available. It's crucial to use clearer and more grammatically correct phrasing to ensure effective communication. Despite some occurrences in sources like The New York Times and scientific publications, adopting alternatives enhances clarity and credibility.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as of today
The most direct and grammatically sound replacement, referring to the present date.
as of date
Similar to "as of day", but employs the more standard term "date" for improved clarity.
as of day
Replaces "as at" with "as of", providing a grammatically correct alternative, though still slightly awkward.
on this day
Offers a simple and direct way to refer to the current day, avoiding the problematic "as at".
on that day
Refers to a specific day previously mentioned, replacing "as at day" with a clearer temporal reference.
by day
Indicates something that happens or is measured daily, changing the meaning slightly to focus on a daily basis.
each day
Similar to "daily", but with a slightly different emphasis on individual days.
daily
A single-word adjective describing something done or occurring every day, more concise than "as at day".
at the end of the day
Expresses a final consideration or summary, shifting the focus from a specific point in time to a concluding thought.
until today
Specifies a period leading up to the current day, changing the temporal perspective.
FAQs
How can I use "as of" instead of "as at day"?
Instead of saying "the data is accurate as at day 15", you can say "the data is accurate "as of" day 15" or "the data is accurate as of the 15th".
What is a grammatically correct alternative to "as at day"?
A grammatically correct alternative includes phrases such as "as of today", "as of the date", or "on this day" depending on the intended meaning and context.
Is "as at day" considered proper English?
No, "as at day" is not considered proper English. It's better to use "as of" followed by the specific date or time for clarity and correctness.
How does the meaning change if I use "as of" instead of "as at day"?
Using "as of" provides a clear and standard way to indicate the point in time when something is accurate or valid. Replacing "as at day" with "as of today" ensures that the sentence is grammatically correct and easily understood.
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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
79%
Authority and reliability
2.8/5
Expert rating
Real-world application tested