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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
either of those days
Grammar usage guide and real-world examplesUSAGE SUMMARY
'either of those days' is correct and can be used in written English.
This phrase is used to indicate two distinct days that could be chosen from. For example: You can come visit me either of those days; Tuesday or Thursday.
✓ Grammatically correct
News & Media
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
2 human-written examples
I try not to sleep during the daytime on either of those days, although I want to.
News & Media
Even if you're stuck at your desk, you stand to benefit: As The Wall Street Journal points out, the extra day in February means an extra Sunday and Monday in December 2012, meaning that employees whose paydays fall on either of those days will get an extra check for that year.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
The engineers of those days either knew or thought little about conservancy even as applied to the ports they constructed.
Encyclopedias
Ultimately, the dancer admitted, although she had not fallen victim to these crimes, the debt her mother expected from her for her lucky intuitions was so unreasonable, and had created so much anger, that she often wished she had not been spared on either of those horrible days.
News & Media
It was one of those days.
News & Media
I have idyllic memories of those days.
News & Media
Wednesday was one of those days.
News & Media
This is just one of those days.
News & Media
"Today was one of those days".
News & Media
Some days are one of those days".
News & Media
Just one of those days.
News & Media
Expert writing Tips
Best practice
When using "either of those days", ensure the context clearly identifies the two days being referenced to avoid ambiguity. For instance, precede the phrase with a direct statement of the days, like "We can meet on Monday or Tuesday; either of those days works for me."
Common error
Avoid using "any of those days" when you specifically mean one of two options. "Either" is for two, while "any" suggests a broader range.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "either of those days" functions as a prepositional phrase, modifying a verb or noun by specifying a particular time. It indicates a choice between two specific days that have already been mentioned or are understood in the context. According to Ludwig, this usage is correct.
Frequent in
News & Media
100%
Encyclopedias
0%
Formal & Business
0%
Less common in
Science
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "either of those days" is a grammatically sound prepositional phrase used to indicate a choice between two specific days. Ludwig AI confirms its correctness. Though relatively rare in occurrence, it is primarily found in news and media contexts. When using this phrase, ensure the two days are clearly defined to avoid ambiguity. Be mindful not to confuse it with "any of those days", which implies more than two options. Alternatives include "on either day" or "on the specified days", depending on the desired level of formality.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on either of the mentioned days
Replaces "those" with "the mentioned", adding a touch of formality.
on either one of those days
Adds emphasis to the choice between the two specific days.
on either day
Simplifies the phrase by removing "of those", implying the days are already known.
on those particular days
Adds emphasis to the specific nature of the days.
on either date
Substitutes "days" with "date", implying more formally specific day.
on each of those days
Shifts the focus to both days individually, rather than offering a choice.
on the aforementioned days
Replaces "those" with "aforementioned" indicating a formal usage where the days have already been stated.
on the specified days
Replaces "either of those" with "the specified", suggesting a more formal or technical context.
during those days
Focuses on the duration of those days rather than a choice.
on the days in question
Implies the days are under discussion or investigation.
FAQs
How can I use "either of those days" in a sentence?
Use "either of those days" to indicate a choice between two specific days, for example, "The event will be held on Friday or Saturday; you can attend on "either of those days"".
What phrases are similar to "either of those days"?
Similar phrases include "on either day", "on each of those days", or "on the specified days", depending on the nuance you want to convey.
Is it correct to say "any of those days" instead of "either of those days"?
While "any of those days" isn't inherently incorrect, it suggests more than two options. "Either of those days" is more precise when referring to a choice between exactly two days.
What's the difference between "either of those days" and "both of those days"?
"Either of those days" implies a choice of one day from two, whereas "both of those days" indicates that something applies to or occurs on both days.
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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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested