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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
that specific day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that specific day" is correct and usable in written English.
It can be used to refer to a particular day that has been previously mentioned or is understood in context. Example: "I will never forget that specific day when we first met at the park."
✓ Grammatically correct
Science
Wiki
News & Media
Alternative expressions(20)
the very same day
the same day
on the very day
the same exact day
on the appropriate day
the day in question
then and there
on the fifth day
on that day
immediately
that very morning
later that day
on the 3rd day
on the same day
that day in question
on that occasion
on the exact day
at the moment of
upon that day
that very day
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
22 human-written examples
Air was accidentally introduced under high pressure in seawater pumping and filtering system at the Pointe-au-Père station at day 5 of the experiment and caused evident stress on bivalves that specific day.
Science
If you forget to change your patch during week 1 of your monthly cycle, apply a new patch as soon as you remember and designate that specific day as your new "patch-change" day.
Wiki
In contrast, the optimum process noise for the tropospheric gradient might not have significant spatial distribution characteristics within the scale of the GEONET network on that specific day.
Science
In the previous section, we suggested that the GRAD parameter might not have a significant spatial characteristic within the scale of the GEONET on that specific day.
Science
However, this intensity also extended to discussing Lynne's* standing orders to her "ungrateful grandsons," or researching the match statistics for lower league football clubs I'd never even heard of before that specific day.
News & Media
Timehop, released in 2011, acts as a time capsule for all of your social media channels and captures everything you ever tweeted, Instagrammed, checked in to on Foursquare, posted on Flickr and/or updated on Facebook for that specific day.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
Due to the lack of transport data, it is considered that the capacity is going to be the same for each day of the year, so that one specific day is taken into account.
It can also be noted that on specific day, WPP contributed 98.7 % and 93%% of the total load demand in Eastern and Western Danish power system, respectively.
It is odd to think back both one year and nine years later and know that a specific day's weather is so embedded in my memory.
News & Media
Diabetic patients are often seen in such large numbers that a specific day is set aside each week for them to attend a diabetic "club".
Science
Bloomberg is reporting a "mid-October" launch event timeframe, and AppleInsider echoes those claims, while Daily Dot's Michah Singleton says that October 21 will be the specific day.
News & Media
Expert writing Tips
Best practice
Use "that specific day" to clearly refer to a particular day that has already been mentioned or is understood within the context of your writing. This avoids ambiguity and ensures your reader knows exactly which day you are referencing.
Common error
Avoid using "that specific day" if the day hasn't been clearly established in the text or conversation. If there's no prior mention, it can confuse the reader. Instead, provide context or use a more direct reference.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that specific day" functions as a determiner phrase, specifically to modify a noun by pointing out a previously mentioned or understood day. Ludwig AI examples show it highlights a particular day of importance or relevance within a context.
Frequent in
Science
53%
News & Media
20%
Wiki
18%
Less common in
Formal & Business
4%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "that specific day" is a common and grammatically sound phrase used to refer to a particular day that is already known or understood. Ludwig AI's analysis indicates that it's most frequently found in scientific and news contexts. While versatile, it's crucial to ensure the day being referenced is clear to avoid ambiguity. Consider alternatives like "that particular day" or "on that day" for subtle variations in emphasis or formality. As Ludwig AI confirms, the phrase is a correct and useful way to pinpoint a moment in time, adding clarity and focus to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that particular day
Substitutes "specific" with "particular", maintaining the same meaning with a slight variation in emphasis.
that very day
Replaces "specific" with "very", adding emphasis to the day being referenced.
that exact day
Uses "exact" instead of "specific" to highlight the precision of the day in question.
that precise day
Employs "precise" to convey accuracy and specificity about the day.
that one day
Uses "one" to denote a single, undefined day in the past.
on that day
Simplifies the phrase, removing "specific" while still referring to a previously mentioned day.
the day in question
More formal alternative, suitable when the day is under discussion or scrutiny.
said day
A legal or formal construction to refer back to a day previously mentioned.
the aforementioned day
A formal way to reference a day that has already been discussed.
that day in question
Emphasizes the day is being specifically discussed or investigated
FAQs
How can I use "that specific day" in a sentence?
You can use "that specific day" to refer back to a particular day you've already mentioned or one that's understood in the context. For example, "The event was planned for July 10th, but that specific day turned out to be rainy."
What are some alternatives to "that specific day"?
Some alternatives include "that particular day", "that very day", or simply "on that day", depending on the level of emphasis you want to convey.
When should I use "that specific day" instead of "that day"?
Use "that specific day" when you want to emphasize that you are referring to one particular day and not just any day. It adds a slight degree of precision and focus compared to simply using "that day".
Is "that specific day" formal or informal?
"That specific day" is generally neutral in tone and can be used in both formal and informal contexts. However, in very formal writing, you might consider alternatives like "the aforementioned day" for a more elevated style.
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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
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested