one calendar year

USAGE SUMMARY

The phrase "one calendar year" is correct and usable in written English.
It can be used when specifying a duration of time that spans an entire year, often in legal, financial, or formal contexts. Example: "The contract will be valid for one calendar year from the date of signing."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

The out-of-hours care utilisation number was based on one calendar year (2010 in two GP cooperatives, 2011 in three cooperatives).

BMC Family Practice

So let's get radical: I'd limit the amount of books people can publish on Amazon in one calendar year.

Huffington Post

In addition, our estimates of the rate of adaptation is based on the simplifying assumption that one calendar year is equal to one generation.

BMC Evolutionary Biology

From Johannesburg on Sunday he said that City's spending, $285 million in one calendar year, is not yet done.

The New York Times - Sports

This match will remain on DonorsChoose.org until the funds are fully matched, or for one calendar year from today.

Huffington Post

Some will insist that it is not a Grand Slam unless you win four majors in one calendar year.

The New York Times - Sports

It has lost money in only one calendar year since 1990, and yielded 3.36percentt as of Jan . 31

The New York Times

Serena has won the last four Slams and may be heading toward a sweep in one calendar year.

The New York Times - Sports

Early last year, some people, not cops, tracked Daryl down at the sobering center, where he had slept off a drunk 360 times in one calendar year.

The New York Times

The course was designed to be 90 Ecreditsedits and of one calendar year duration.

Physica Medica

The analytical time is a window of one calendar year (2011) in a cross-sectional design.

Health Economics Review

Expert writing Tips

Best practice

Use "one calendar year" when you need to be precise about a period of time that aligns with the standard calendar, such as in legal documents or contracts. For example, "The warranty is valid for one calendar year from the date of purchase."

Common error

Avoid using "one calendar year" when a simple "year" suffices. Overusing the longer phrase can make your writing sound unnecessarily formal or repetitive. For instance, prefer saying "The project lasted a year" instead of "The project lasted one calendar year" in general conversation.

Linguistic Context

The phrase "one calendar year" functions as an adverbial modifier specifying the duration or extent of an action, event, or condition. As Ludwig AI explains, it provides a precise timeframe, typically used in contexts where accuracy is important. Examples from Ludwig illustrate its use in describing the validity of subscriptions or the length of a study.

Expression frequency: Very common

Frequent in

Science

48%

News & Media

43%

Formal & Business

3%

Less common in

Encyclopedias

1%

Wiki

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "one calendar year" is a grammatically sound and commonly used phrase that specifies a period of twelve months, aligning with the standard calendar. Ludwig AI confirms its correctness and usability across various contexts. While it is often interchangeable with simpler terms like "a year", the phrase "one calendar year" adds precision and is particularly useful in formal, scientific, and legal settings. Its high frequency in sources like scientific journals and news articles underscores its importance in providing clarity when defining temporal scopes. When writing, remember that precision is important, but to avoid redundancy in less formal contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a year

This is a shorter, more general way to refer to a year, lacking the precision of "calendar year".

twelve months

This phrase specifies the duration in months, providing a more explicit timeframe.

a twelve-month span

Synonymous, but more descriptive.

annual period

This emphasizes the cyclical nature of the time frame, focusing on events that occur annually.

over the course of a year

Implies something that occurs or develops through time.

one-year duration

Highlights the length of time as a specific duration.

a 365-day period

This provides a more precise definition by specifying the number of days.

yearly cycle

This emphasizes the recurring nature of events within a year.

financial year

This relates specifically to business/financial contexts.

accounting period

This refers to a specific period covered for the purposes of financial reporting.

FAQs

How can I use "one calendar year" in a sentence?

You can use "one calendar year" to specify a duration of time, aligning with the standard calendar from January 1st to December 31st. For instance, "The subscription is valid for "one calendar year"."

What's the difference between "one calendar year" and "a year"?

"One calendar year" implies a specific period from January 1st to December 31st. "A year" is more general and can refer to any 365-day period. The difference is the degree of precision and the specific start and end dates.

Is it more formal to say "one calendar year" instead of "a year"?

Yes, "one calendar year" is generally more formal and precise. It's often used in legal or business contexts where clarity is essential. In everyday conversation, "a year" is perfectly acceptable.

What are some alternatives to saying "one calendar year"?

Depending on the context, you could use phrases like "annual period", "twelve months", or simply "a year". The choice depends on the level of formality and the specific meaning you want to convey.