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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
either of the mentioned dates
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "either of the mentioned dates" is correct and usable in written English.
It can be used when referring to one of two specific dates that have been previously mentioned in the conversation or text. Example: "You can choose either of the mentioned dates for our meeting, whichever works best for you."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(19)
either of the stated dates
either of the given dates
either of those dates
one of the two dates
either of the two dates
any of those dates
one of those dates
either of those days
either of those steps
either of those periods
either of those databases
any one of those dates
each of the dates
whichever date is applicable
both dates
the two specified dates
either of the dates
the pair of dates
either date
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
Four-digit years are rare in tweets, in order to determine the year of the mentioned date we use the year which minimizes the number of days between the mentioned date and the tweet's post time.
Science
None of the studies mentioned to date explored the role of dyslipidemia on the occupational gradient of CKD, but most studies addressed the role of BMI, hypertension, and diabetes.
Though he talked about festivities, if Solomon's Christmas wishes come true he won't be in the Jungle for either of the two dates he mentioned.
News & Media
Bob Feller, a member of the Hall of Fame, also mentioned that date.
News & Media
I can see that the first page of the "Relacion" mentions 21/11/1686 as the date of De Paiva's visit to Cochin.
Academia
Give the final amount of the flat before the date mentioned in the Sale Agreement.
Wiki
The Y axis counts the total number of mentions of dates in each year over the past 1,000 years.
News & Media
An intriguing explanation may be seen in the graph below, plotting the total number of articles in the English edition of Wikipedia 2001-2011 againsthehe total number of mentions of dates from that year across the textual contents of those articles.
News & Media
Since that year, the total article count of Wikipedia continued to grow through 2012, while the number of mentions of dates in each year leveled off.
News & Media
Each volunteer was given an individual appointment calendar mentioning the date of inclusion and the dates of planned fortnightly follow-up visits to the CIRMF field base.
Science
Some respondents mentioned concrete dates of the candidate list used.
Expert writing Tips
Best practice
When using "either of the mentioned dates", ensure that the dates have been clearly and explicitly stated earlier in your writing or conversation. This avoids ambiguity and ensures clarity for your audience.
Common error
Avoid using "either of the mentioned dates" if the dates are not immediately obvious or easily recalled by the reader. Instead, re-state the dates or use a more specific reference.
Source & Trust
82%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "either of the mentioned dates" functions as a prepositional phrase that modifies a noun, typically referring to a choice between two specific times. According to Ludwig, the phrase is grammatically sound and usable in English.
Frequent in
News & Media
33%
Science
33%
Encyclopedias
33%
Less common in
Wiki
0%
Academia
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "either of the mentioned dates" is a grammatically correct phrase used to present a choice between two dates that have already been specified. As confirmed by Ludwig, this phrase is acceptable in English writing. Although classified as rare in terms of frequency, it appears across diverse contexts such as news media, scientific publications, and encyclopedias. For enhanced clarity, ensure the referenced dates are easily recalled by your audience. If necessary, more concise alternatives like "either date specified" can be considered.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
either of the aforementioned dates
Replaces "mentioned" with the more formal "aforementioned".
either of the two dates mentioned
Adds "two" to explicitly state the quantity of dates.
either of those dates mentioned
Reorders the phrase slightly to emphasize "those dates".
either date previously mentioned
Condenses the phrase by removing "of the".
either of the dates in question
Uses "in question" to refer to the dates already under discussion.
either date that was mentioned
Turns the phrase to a relative clause.
either of the listed dates
Replaces "mentioned" with "listed" implying a written list.
either of the dates specified
Substitutes "mentioned" with "specified" for a more precise tone.
either of the cited dates
Substitutes "mentioned" with "cited", implying reference to specific sources.
either of the referred dates
Substitutes "mentioned" with "referred" implying reference to specific sources.
FAQs
How can I use "either of the mentioned dates" in a sentence?
You can use "either of the mentioned dates" when presenting a choice between two dates that have already been discussed. For example, "You can submit the report on "either of the mentioned dates"; whichever is more convenient for you."
What is a more concise way to say "either of the mentioned dates"?
Alternatives include "either date previously mentioned", "either date specified", or simply "either date", provided the context makes it clear which date you're referring to.
Is it better to re-state the dates instead of using "either of the mentioned dates"?
In some cases, re-stating the dates can improve clarity, especially if the original mention was some time ago or in a different part of the document. Consider your audience and the potential for confusion.
When is it appropriate to use "either of the mentioned dates"?
Use "either of the mentioned dates" when you want to offer a choice between two specific dates that have already been identified and are fresh in the reader's or listener's mind. Avoid it when the dates are not easily recalled.
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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
82%
Authority and reliability
4.2/5
Expert rating
Real-world application tested