Used and loved by millions
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
upon what date
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "upon what date" is correct and usable in written English.
It can be used when inquiring about a specific date related to an event or action. Example: "Could you please clarify upon what date the meeting is scheduled to take place?"
✓ Grammatically correct
Academia
News & Media
Formal & Business
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
What date?
Academia
They say, oh, what date?
I forget what date in November.
News & Media
What date shall it be?
News & Media
Bruni describes the reaction of an Orthodox couple upon discovering their server's sexual orientation: they asked what dating was like for a gay man.
News & Media
See what dates are available.
Wiki
Remind them what dating is about.
Wiki
"A lot more people in the Bitcoin community are going to be unconvinced of Dr Wright's claims than will believe he is Satoshi, based upon what's happened to date," commented Dr Garrick Hileman, an economic historian at the Cambridge Centre for Alternative Finance.
News & Media
And dating-wise... wait, WHAT dating life?
News & Media
Manchester United will be hoping to extend their run four successive victories in all competitions to improve upon what has been an inconsistent campaign to date.
News & Media
Date coverage varies depending upon what dataset you choose.
Academia
Expert writing Tips
Best practice
When using "upon what date", ensure the context is formal or requires a degree of emphasis, as it is less common in everyday conversation. Consider using simpler alternatives like "on what date" in informal settings.
Common error
Avoid using "upon what date" in casual conversations or informal writing. It can sound overly formal or stilted. Simpler phrases such as "what date" or "when" are often more appropriate.
Source & Trust
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon what date" functions as an interrogative prepositional phrase used to inquire about a specific date. Although grammatically sound, according to Ludwig, it is less common than alternatives like "on what date".
Frequent in
Academia
33%
News & Media
33%
Formal & Business
33%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, while the phrase "upon what date" is grammatically correct and understandable, Ludwig suggests it's less common and more formal than alternatives like "on what date". Its primary function is to inquire about a specific point in time, often in contexts that require a degree of formality such as academic or professional settings. Consider using simpler alternatives in casual settings. The phrase appears infrequently across various sources, indicating its limited usage in contemporary English.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on what date
Replaces "upon" with "on", a more common preposition in this context. This substitution maintains the meaning while sounding more contemporary.
on which date exactly
Combines "on which date" with "exactly" to reinforce the need for a precise answer.
at what date
Uses "at" in place of "upon", providing a more direct and simple alternative for specifying a date.
what is the date
This is a more straightforward way to ask for a date, omitting "upon" for simplicity.
by what date
Focuses on a deadline or the latest possible date, shifting the emphasis slightly but remaining relevant.
which specific date
Similar to "what exact date", this phrase highlights the importance of knowing the precise date.
what exact date
Emphasizes the need for precision in the date being requested, adding a layer of specificity.
what particular date
Stresses the importance of identifying a certain date among many possibilities.
during what date
While grammatically unconventional, it suggests inquiring about an event or occurrence happening during a particular date. It's more conversational.
when specifically
Offers a shorter, more conversational alternative that still conveys the need for a precise time.
FAQs
What does "upon what date" mean?
The phrase "upon what date" is a formal way of asking for a specific date when something occurred or will occur. It's similar to asking "on what date" but carries a slightly more emphatic or formal tone.
How can I use "upon what date" in a sentence?
You might use "upon what date" in a sentence like, "Could you please clarify "on what date" the project is due?" or "The contract specifies upon what date the payment should be made."
Is it more appropriate to say "upon what date" or "on what date"?
While both phrases are grammatically correct, ""on what date"" is more commonly used and generally preferred in modern English. "Upon what date" is perceived as more formal and somewhat archaic.
What are some alternatives to "upon what date"?
Alternatives to "upon what date" include ""on what date"", "when", "by what date", and "at what date". The best choice depends on the specific context and level of formality required.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
3.8/5
Expert rating
Real-world application tested