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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
the day on which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'the day on which' is correct and can be used in written English. You can use this phrase when you are referring to a particular day or date. For example, "July 31st is the day on which the festival is celebrated."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(19)
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 day on which vaginal plugs were observed was counted as day one of pregnancy.
Science
Observed mortality was recorded during the day on which patients received PHVHF and at 28 days.
Science
I begin with October 19 , 1999 because that is the day on which WWE went public.
Academia
This was the day on which a part of Rory McIlroy's extraordinary life came full circle.
News & Media
A second grants Congress power to set the day on which these electors are selected.
News & Media
For the day on which we take account of Henry is Saturday 15 February 2003.
News & Media
It would always happen on a Sunday; the day on which she would have a bath.
News & Media
On 21 October, the day on which his last two judgments were delivered, Murphy died.
News & Media
"Bloomsday", the day on which the novel Ulysses takes place, happens also on 16 June 1904.
News & Media
I had a few plans for the day on which I read Michael Connelly's latest mystery.
News & Media
the 45th day after the day on which the administering authority makes its affirmative final determination under subsection (a).
Academia
Expert writing Tips
Best practice
Avoid overuse in informal writing; simpler alternatives like "the day that" or "when" might be more appropriate for everyday conversation and casual writing.
Common error
Avoid using "the day on which" in contexts where a simpler construction like "the day that" or just "when" would suffice. Overusing the more formal phrase can make your writing sound stilted or unnatural.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the day on which" functions as an adverbial phrase, modifying a verb or clause by specifying the time of an action or event. Ludwig provides numerous examples in scientific and news contexts, demonstrating its use in setting a temporal reference.
Frequent in
Science
45%
News & Media
35%
Academia
20%
Less common in
Formal & Business
0.01%
Encyclopedias
0.01%
Reference
0.01%
Ludwig's WRAP-UP
In summary, "the day on which" is a grammatically sound and frequently used phrase to specify a particular date or time, as confirmed by Ludwig. It is most commonly found in scientific and news contexts and maintains a neutral to formal tone. While simpler alternatives like "when" or "the day that" exist, "the day on which" offers a level of precision often required in formal writing. Consider your audience and the desired level of formality when choosing between "the day on which" and its alternatives. As Ludwig AI confirms, its usage is considered correct and acceptable.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on the date that
Replaces "day" with "date" and uses "that" instead of "on which".
the date when
Uses "when" to refer to time, simplifying the structure.
the day that
Replaces "on which" with the simpler "that".
when
A single-word substitute focusing on the timing of the event, it changes the sentence structure.
on that day
Uses a demonstrative pronoun and preposition to indicate a specific day.
the specific day
Emphasizes the specificity of the day, omitting the relative clause.
the particular day
Highlights the distinctiveness of the day in question, without "on which".
that fateful day
Adds an emotional tone to the day being referenced, replacing the neutral "on which".
the occasion when
Broadens the reference to an "occasion" rather than strictly a "day".
at which time
Shifts the focus to the time element within the day, changing the grammatical construction.
FAQs
How can I use "the day on which" in a sentence?
Use "the day on which" to specify a particular day when something happened or will happen. For example, "The contract becomes effective on "the day on which" it is signed."
What are some alternatives to "the day on which"?
Alternatives include "the day that", "on that day", or simply "when", depending on the context. The best choice depends on the level of formality and desired emphasis.
Is "the day on which" more formal than "the day that"?
Yes, "the day on which" is generally considered more formal than "the day that". "The day on which" is often used in legal, scientific, or otherwise formal writing.
When should I use "the day on which" instead of "when"?
Use "the day on which" when you want to emphasize the specific date or occasion and maintain a formal tone. "When" is suitable for more casual contexts where the date is less critical.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested