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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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days vary

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "days vary" is correct and usable in written English.
It can be used to indicate that the number or nature of days can change or differ depending on certain conditions or contexts. Example: "The schedule for the project is flexible, as the days vary based on team availability."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

20 human-written examples

Hours and days vary seasonally.

Times and days vary with seasons.

Times and days vary per session.

Open 9am-midnight Fridays-Saturdays, other days vary.

News & Media

Independent

Hours and days vary for individual museums and zoo, see website for details Until 3 January a real fairground will occupy the Grand Palais.

Although execution days vary, Sednaya's former prisoners say the guards most commonly tour the cells on Tuesday afternoons, calling out names from lists.

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Human-verified similar examples from authoritative sources

Similar Expressions

40 human-written examples

The number of predicted heat wave days varied from 11 days (based on the 3-day RDF forecast) to 22 days (based on 1- and 2-day FWC forecasts, and on the 2-day RDF forecast).

The number of sequester furlough days varied widely in other agencies; some imposed none, and even within agencies that imposed them, some employees were exempt.

Cumulative respiration in the moist period increased with number of moist days, particularly when the number of moist days varied in the first cycle.

Science

Geoderma

Home range sizes estimated over the period of monitoring (up to 207 days) varied from 70,387 to 256,398 m2, with core areas of 16,688 to 84,946 m2.

For 26 years, her days varied little: her parents bathed her, fed her, flexed her stiffened limbs, kissed, caressed and tenderly talked to her.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "days vary", ensure the context clearly indicates what aspect of the days is changing. For example, specify if it's the schedule, workload, or conditions that are variable.

Common error

Avoid using "days vary" without providing specific details about what aspects are variable. Saying just "days vary" can be vague. Instead, clarify by stating what differs, such as "Workload on different days vary significantly depending on project deadlines."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "days vary" functions as a declarative statement indicating that there is a difference or change from one day to another. As noted by Ludwig AI, the phrase is considered correct and usable in written English.

Expression frequency: Common

Frequent in

News & Media

47%

Science

35%

Academia

18%

Less common in

Wiki

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "days vary" is a grammatically sound and frequently used phrase to indicate daily inconsistency or change. As highlighted by Ludwig AI, the phrase is acceptable and can be used across several contexts. It is most commonly found in News & Media, Science, and Academia and its use conveys important information to clarify that a situation is not fixed or predictable. To maximize clarity, it is important to specify what it is that varies from day to day.

FAQs

How can I use "days vary" in a sentence?

You can use "days vary" to indicate that something is not consistent from one day to the next. For example, "The opening hours of the museum days vary depending on the season."

What does "days vary" mean?

The phrase "days vary" means that the characteristics, conditions, or arrangements are not the same each day. It implies a degree of unpredictability or flexibility in a schedule or routine.

Which is a better alternative to "days vary": "days differ" or "days fluctuate"?

Both "days differ" and "days fluctuate" are suitable alternatives to "days vary", depending on the nuance you want to convey. "Days differ" simply suggests that each day is not the same, while "days fluctuate" implies more significant or irregular changes.

Is it grammatically correct to say "days vary"?

Yes, it is grammatically correct. Ludwig AI confirms that the phrase "days vary" is usable and correct in written English.

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: