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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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the day on which

Grammar usage guide and real-world examples

USAGE 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

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.

Observed mortality was recorded during the day on which patients received PHVHF and at 28 days.

I begin with October 19 , 1999 because that is the day on which WWE went public.

This was the day on which a part of Rory McIlroy's extraordinary life came full circle.

A second grants Congress power to set the day on which these electors are selected.

News & Media

The New York Times

For the day on which we take account of Henry is Saturday 15 February 2003.

It would always happen on a Sunday; the day on which she would have a bath.

News & Media

The Guardian

On 21 October, the day on which his last two judgments were delivered, Murphy died.

News & Media

The Guardian

"Bloomsday", the day on which the novel Ulysses takes place, happens also on 16 June 1904.

I had a few plans for the day on which I read Michael Connelly's latest mystery.

the 45th day after the day on which the administering authority makes its affirmative final determination under subsection (a).

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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.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

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.

Expression frequency: Very common

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.

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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Authority and reliability

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Real-world application tested

Most frequent sentences: