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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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One day apart

Grammar usage guide and real-world examples

USAGE SUMMARY

"one day apart" is correct and usable in written English
You can use this phrase to describe two events or occasions that are separated by one day. For example: "My birthday and my brother's birthday are only one day apart."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

45 human-written examples

The fact that they passed on one day apart was symbolic of their extraordinary devotion and connection to each other.

News & Media

The New York Times

It is noteworthy that the correlation coefficient for treadmill-induced angina on tests one day apart was 0.70 [ 39] and for patient-reported angina was 0.83 when SAQ was applied three months apart [ 40].

Five CD patients on GFD and 5 healthy controls were also studied with the same protocol on 2 occasions, one day apart, to test for reproducibility of results.

Pigeons generally lay two eggs one day apart, which hatch 18 days after they are laid [ 1].

The experiment was duplicated in two separate experimental blocks by splitting F3 mosquitoes from the same batch into two groups and infecting each group on two successive days with the same viral culture harvested one day apart.

Due to the game show's taping schedule, the records were actually set one day apart, with Holzhauer's new high score occurring on Feb. 12. Wednesday's win marks the 10th consecutive win for the 34-year-old Holzhauer.

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Human-verified similar examples from authoritative sources

Similar Expressions

15 human-written examples

We've met the Queen twice in one day and, apart from the Duke of Edinburgh, there can't be many people who can say that".

Without asking, I got a glimpse into the seed of a sibling rivalry that will one day tear apart the house that weed trimmers built.

News & Media

Vice

About a year ago the idea of "Mothers' Day" was originated to do honour to the mothers of England by setting apart one day, on which, without any appeal to sect or creed, any selling of flags, or jingling of collection boxes, each might stand still for a moment in the hurry and bustle of every-day life and think, without fear of false sentiment, of the debt he owed his mother.

News & Media

The Times

Players can be praised one day and taken apart the next.

Early settlers following Gist through Pound Gap soon broke out a good pack trail down North Fork, and established camp sites one day's journeys apart.

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Expert writing Tips

✓ Best practice

When describing events that are "one day apart", ensure the context clearly indicates which event came first. For example, "The conference sessions were one day apart, starting on Monday."

⚠ Common error

Avoid ambiguity by specifying which event precedes the other. For example, don't just say "The meetings were one day apart"; clarify, "The second meeting was one day after the first."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Linguistic Context

The phrase "one day apart" functions primarily as an adverbial phrase, modifying verbs to specify the temporal separation between two events or actions. This is supported by Ludwig's analysis and is evident in examples such as "They passed on one day apart" or "Measurements were taken one day apart."

Expression frequency: Very common

✓ Frequent in

Science

40%

News & Media

35%

Formal & Business

10%

⚠ Less common in

Academia

5%

Wiki

5%

Encyclopedias

5%

Ludwig's WRAP-UP

In summary, "one day apart" is a grammatically sound and frequently used adverbial phrase that clearly specifies a 24-hour separation between two events. As Ludwig's analysis indicates, it is appropriate for various contexts, including scientific, news, and general communications. While it is a precise term, providing context to indicate the order of events can improve clarity. Be mindful of the potential for ambiguity and always aim to use "one day apart" with as much specific detail as possible. The phrase's versatility and broad applicability make it a valuable tool in effective communication.

FAQs

How can I use "one day apart" in a sentence?

Use "one day apart" to indicate that two events occurred with a single day separating them. For example, "The product launches were "separated by just a day"." or "The experimental measurements were taken "on successive days"".

What phrases are similar to "one day apart"?

Alternatives include "separated by a day", "a day's difference", or "occurring on consecutive days". The best choice depends on the specific context and the desired emphasis.

Is it correct to say "a day apart" instead of "one day apart"?

While "a day apart" is understandable, "one day apart" is more precise and less ambiguous, especially in formal writing. The presence of "one" makes the intended meaning clearer.

Does "one day apart" always mean exactly 24 hours?

While it generally implies a 24-hour interval, it's crucial to provide additional context if the events are precisely 24 hours "within 24 hours" or if the timing is relevant (e.g., due to time zone differences).

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Real-world application tested

Most frequent sentences: