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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 upon which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the date upon which" is correct and usable in written English.
It can be used to specify a particular date related to an event or action. Example: "The date upon which the contract is signed will determine the start of the project."
✓ Grammatically correct
Academia
News & Media
Science
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
25 human-written examples
The conclusion of that disciplinary period is not the date upon which the organization can return or regains recognized status.
Academia
The February target date is at least a month earlier than the date upon which officials previously said they would settle on a final proposal.
News & Media
The reorganization plan described in this section shall be printed in the Federal Register after the date upon which it first becomes effective.
Academia
The NPA will remain in effect for a term of two years or until the date upon which the full monetary payment is made, whichever is later.
Academia
The first stated, "This agreement shall be binding upon the customer upon the earlier of (a) the date upon which the first transaction is processed by WorldPay … for the customer, or (b) the execution of this agreement by the customer".
News & Media
A civil action under this section may not be commenced later than two years after the date upon which the claimant first discovered or had a reasonable opportunity to discover the violation.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
35 human-written examples
The authors provide an interactive web application that allows readers to examine other counter-factual scenarios in the context of what happened in Scott County, including dialing up (or down) the effectiveness of interventions and "turning back time," by changing the dates upon which they were initiated.
Academia
Specify the amounts of the deposit and monthly payments, the dates upon which each payment is due, and the beginning and ending dates of the payments.
Wiki
The Roman Christian historian Sextus Julius Africanus dated Jesus' conception to March 25 (the same date upon which he held that the world was created), which, after nine months in his mother's womb, would result in a December 25 birth.
Encyclopedias
It's likely that the space station could physically survive for several years past the projected U.S. end date, upon which time it would crash down to Earth in a controlled de-orbit, but the space agencies that would have to be involved have yet to reach any public agreement.
News & Media
the rights of the insured with respect to such coverage, including any date upon which the exclusion would be reinstated if no payment is received.
Academia
Expert writing Tips
Best practice
When using "the date upon which", ensure the context is formal or legal, as it carries a more sophisticated tone. In less formal contexts, consider using "the date when" or "the date that".
Common error
Avoid using "the date upon which" in everyday conversation or informal writing. It can sound stilted or pretentious. Opt for simpler alternatives like "the date when" or "the date that" for clarity and approachability.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the date upon which" functions as a prepositional phrase specifying a particular point in time. It's used to indicate when an event or action occurs, providing a precise temporal reference. According to Ludwig, this phrase is grammatically correct and usable in written English.
Frequent in
Academia
40%
News & Media
25%
Science
15%
Less common in
Formal & Business
10%
Wiki
5%
Encyclopedias
5%
Ludwig's WRAP-UP
In summary, "the date upon which" is a formal phrase used to specify a particular date related to an event or action. Ludwig confirms its grammatical correctness and usability, primarily in academic, legal, and official contexts. While accurate and precise, it's important to consider the audience and context, opting for simpler alternatives like "the date when" or "the date that" in less formal situations. Utilizing this phrase correctly ensures clarity and avoids sounding overly verbose. It serves to pinpoint a precise moment in time, essential for regulations, agreements, and official records.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the date on which
More concise and slightly less formal.
the date when
More direct and commonly used in simpler contexts.
the date that
A simpler alternative, suitable for less formal writing.
the date of
A shortened version focusing on the event's timing.
the day when
Replaces "date" with "day", emphasizing a specific day.
the point at which
Focuses on a specific moment in time rather than a calendar date.
the time when
More general, referring to a period rather than a precise date.
upon which date
Inverts the structure, maintaining formality but with a different flow.
as of the date
Specifies a starting point, shifting the focus slightly.
effective date
Focuses on when something becomes operational or valid.
FAQs
How can I use "the date upon which" in a sentence?
Use "the date upon which" to specify a particular date, especially in formal or legal contexts. For example, "The agreement becomes effective on "the date upon which" it is signed."
What are some alternatives to "the date upon which"?
Alternatives include "the date when", "the date that", or "the date of", depending on the desired level of formality and conciseness.
Is "the date upon which" too formal for everyday writing?
Yes, "the date upon which" is generally considered quite formal and may sound stilted in casual contexts. Simpler alternatives like "the date when" or "the date that" are often more appropriate.
What's the difference between "the date upon which" and "the date when"?
"The date upon which" is more formal and emphasizes the legal or official nature of the statement. "The date when" is more conversational and suitable for general use.
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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