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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 month
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that month" is correct and usable in written English.
It can be used to refer to a specific month that has been previously mentioned or is understood from the context. Example: "We had a record number of sales that month, surpassing all our expectations."
✓ Grammatically correct
News & Media
Encyclopedias
Alternative expressions(5)
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
60 human-written examples
The financial markets collapsed later that month.
News & Media
Almost 400 couples followed suit that month.
Encyclopedias
and held a meeting that month.
News & Media
1.9 million guns were sold that month.
News & Media
Terry was ousted that month.
News & Media
Three more are scheduled that month.
News & Media
Brahimi also visited Libya that month.
News & Media
The board denied his release that month.
News & Media
There were no IPOs that month, either.
News & Media
The national average that month was 6%.
News & Media
I hadn't had any steak that month.
News & Media
Expert writing Tips
Best practice
For clarity, especially in formal writing, consider specifying the year alongside "that month" (e.g., "that month in 2020") to avoid any ambiguity.
Common error
Avoid using "that month" if the reader might not be aware of which month you're referring to. Instead, provide a clearer reference like "in July" or "during the month of the conference".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that month" functions as a determiner + noun, specifically functioning as a temporal demonstrative. As Ludwig AI confirms, the phrase is grammatically correct. It indicates a particular month that has already been identified or is understood within the context.
Frequent in
News & Media
76%
Encyclopedias
11%
Wiki
6%
Less common in
Science
2%
Formal & Business
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "that month" is a grammatically sound and frequently used phrase to denote a previously referenced month. As confirmed by Ludwig AI, it serves as a concise temporal demonstrative and is appropriate for diverse contexts, from news reports to encyclopedia entries. While its usage is generally neutral, clarity is essential: ensure the intended month is evident to your audience. If you want to add emphasis you can also say "during that month" or "that particular month".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during that month
Adds emphasis using the preposition "during".
in the specified month
Replaces "that" with "the specified", indicating a previously mentioned month.
the month in question
Uses a more formal tone to refer to a month already under discussion.
that particular month
Emphasizes a specific month with "particular".
the aforementioned month
Uses a more formal term, "aforementioned", for a month previously mentioned.
within that month
Focuses on events happening inside a determined time frame.
that very month
Stresses the immediacy of the month.
the month of...
Specifies the month by its name if it has not been mentioned yet.
during the course of that month
Adds a temporal emphasis on actions.
throughout that month
Emphasizes the duration of events across the whole month.
FAQs
How do I use "that month" correctly in a sentence?
"That month" refers to a specific month previously mentioned or clearly understood within the context of the conversation or writing. For example, "The conference was in June. We saw a significant increase in sales "that month"".
What's a more formal alternative to using "that month"?
For a more formal tone, consider using phrases such as "the aforementioned month" or "the month in question" to refer back to a specific month previously discussed.
Is it ever incorrect to use the phrase "that month"?
It would be incorrect to use "that month" if the month being referred to is not clearly defined or previously mentioned in the conversation or written piece. Clarity is key; otherwise, specify the month directly (e.g., "in July").
How can I be more specific than simply saying "that month"?
To be more specific, you could say "that month of [year]" to avoid ambiguity, especially if the context involves multiple years. Alternatively, you might use something like "the month following [event]" for added clarity.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested