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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 same day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that same day" is correct and usable in written English.
You can use it to refer to an event or action that occurred on the same day as another mentioned event. Example: "I received the news in the morning, and by that same day, I had already made my decision."
✓ Grammatically correct
News & Media
Wiki
Encyclopedias
Alternative expressions(20)
very same day
on the day in question
that day
on that very day
the very same day
that particular day
the day in question
on the appointed day
concurrently
the same day
that same evening
on the same day
during the same period
on a same day
on a different day
that very day
on a single day
simultaneously
on that day
at the same time
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
59 human-written examples
Authorities questioned Cortez that same day.
News & Media
He lodged an appeal that same day.
Wiki
It reached tropical storm intensity that same day.
Wiki
It dissipated as a tropical cyclone that same day.
Wiki
He appeared briefly on Dahl's show that same day.
Wiki
That same day Osceola also killed Thompson.
Encyclopedias
The Senate acted that same day.
News & Media
She was arrested that same day.
News & Media
I was released that same day.
News & Media
That same day, Aidan learned to surf.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Note that same-day appointments are limited to 15 minutes.
Expert writing Tips
Best practice
When using "that same day", ensure that the context makes it clear which day you are referring to. Avoid ambiguity by explicitly stating the date or event to which 'that same day' relates.
Common error
Avoid using "that same day" when the reference point is unclear or too distant in the text. Readers might struggle to understand which day you're referring to, causing confusion. Ensure the day being referenced is explicitly mentioned nearby.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"That same day" functions as an adverbial phrase, modifying a verb or clause by specifying the time an action occurred. It creates a temporal link to a previously mentioned event, indicating simultaneity within a 24-hour period. Ludwig AI confirms this through its examples.
Frequent in
News & Media
54%
Wiki
32%
Encyclopedias
9%
Less common in
Academia
2%
Science
1%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "that same day" is a grammatically sound and frequently used adverbial phrase to indicate events occurring on the same day. Ludwig AI confirms its correctness and widespread applicability. It is found across various contexts, particularly in news and media, wiki, and encyclopedia sources. When using this phrase, ensure a clear reference point to avoid ambiguity. While versatile, alternatives like "on that very day" or "the very same day" can add emphasis. By following these guidelines, writers can effectively use "that same day" to enhance clarity and maintain chronological flow in their writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on that very day
Adds emphasis to the specific day in question.
the very same day
Similar to 'on that very day', but with slight difference in word order.
on the day in question
More formal and emphasizes the specific day being discussed.
the aforementioned day
Refers back to a day previously mentioned, suitable for formal contexts.
that particular day
Highlights a specific day, emphasizing its uniqueness or importance.
the day in question
Neutral and formal, indicating a specific day under consideration.
on the appointed day
Implies a previously scheduled or arranged day.
the specified day
Indicates a day that has been clearly identified or designated.
the day we're talking about
Informal and conversational, directly referencing the day under discussion.
concurrently
More concise; indicates events happened at the same time without specifying the day.
FAQs
How can I use "that same day" in a sentence?
Use "that same day" to connect an event to a previously mentioned day. For example, "The package arrived in the morning; "that same day", I used its contents."
What are some alternatives to "that same day"?
You can use alternatives like "on that very day", "the "very same day"", or "on the day in question" depending on the context and desired level of formality.
Is it correct to say "in that same day" instead of "that same day"?
No, the correct and more common phrasing is "that same day". Using "in "that same day"" is grammatically incorrect and sounds unnatural.
What's the difference between "that same day" and "later that day"?
"That same day" refers to something happening at any point during the same day as a previously mentioned event. "Later "that day"" specifically indicates that the second event occurred after the first event on the same day.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested