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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
the date on which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the date on which" is correct and usable in written English.
You can use it to introduce an additional clause containing further information about a date. For example: "The date on which the contract was signed was April 15, 2020."
✓ Grammatically correct
Academia
News & Media
Science
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
16h, the date on which the State Dept.
News & Media
The date on which it appeared.
News & Media
identifies the date on which such information was generated.
Academia
(5) The date on which an electronic transmission occurs.
Academia
(2) The date on which each alleged violation occurred.
Academia
the date on which he completes 1 year of service.
Academia
The date on which the fund began its operations.
News & Media
L. 115 232, § 591(a), substituted "on the date on which" for "not later than 45 days after the date on which" in introductory provisions.
Academia
Few could name the date on which the 26 counties regained their independence from Britain.
News & Media
Each drawing is untitled, identified only by the date on which she made it.
News & Media
The first uncertainty is the date on which exit negotiations will start.
News & Media
Expert writing Tips
Best practice
Use "the date on which" in formal contexts where clarity and precision are crucial, such as legal documents, academic papers, or official reports.
Common error
Avoid using "the date on which" in casual conversation or informal writing. Simpler alternatives like "when" or "the day that" are often more appropriate.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the date on which" functions as a relative adverbial phrase introducing a relative clause that modifies a noun (usually a date) by providing additional information or specification about it. Ludwig AI states that this phrase is suitable for introducing additional information about a date.
Frequent in
Academia
30%
News & Media
30%
Science
20%
Less common in
Formal & Business
10%
Wiki
5%
Encyclopedias
5%
Ludwig's WRAP-UP
In summary, "the date on which" is a grammatically correct and frequently used phrase, predominantly in formal writing such as academic papers, news articles, and legal documents. Ludwig AI confirms its correctness for introducing clauses that elaborate on a particular date. While versatile, it is best reserved for contexts demanding precision and clarity, with simpler alternatives like "when" or "the day that" being more suitable for informal communication. Its frequent use across authoritative sources underscores its reliability and acceptance in formal English writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the day that
Replaces "on which" with "that" for a slightly less formal tone.
when
Uses a single word to indicate the time something happens, simplifying the structure.
the occasion when
Emphasizes the event-like nature of the date.
the specific date of
Highlights the precision and exactness of the date being referred to.
the point in time that
Replaces "date" with a more generic phrase.
the moment that
Similar to "when", but emphasizes a brief period.
the timeframe in which
Indicates a longer duration related to the date.
the period when
Refers to the date as belonging to an epoch, often used for historical events.
the appointed day for
Used when the date is prearranged or officially set.
the due date of
Specifically used when the date indicates a deadline or expected completion.
FAQs
How can I use "the date on which" in a sentence?
Use "the date on which" to introduce a clause that provides more information about a specific date. For example: "The contract specifies "the date on which" the project must be completed."
What are some alternatives to "the date on which"?
Depending on the context, you can use alternatives like "the day that", or "when" for a simpler expression.
Is "the date on which" suitable for informal writing?
No, "the date on which" is generally considered formal. In informal contexts, it's better to use simpler alternatives like "when" or "the day that".
What's the difference between "the date on which" and "when"?
"The date on which" is a more formal and precise way to specify a date, while "when" is a more general and informal term. Use "the date on which" for legal, academic, or official writing, and "when" for casual or informal writing.
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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