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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
span of one year
Grammar usage guide and real-world examplesUSAGE SUMMARY
"span of one year" is correct and usable in written English.
You can use it when referring to a period of time that lasts one year, such as: I am looking forward to my upcoming sabbatical from work, which will span a period of one year.
✓ Grammatically correct
Science
News & Media
Formal & Business
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
24 human-written examples
The model is intended to be applied to decisions related to tactical planning over a time span of one year.
Now the Jets must begin the process of hiring a head coach, their fourth in a span of one year.
News & Media
A young man making a decision to turn things around and succeeding in the span of one year happens about as often as a Ryder Cup rookie blitzes García.
News & Media
We decided to cover a time span of one year for the newspapers and magazines (March 2010 March 201111).
Pricing starts at a flat fee and then increases based on how many people sign into your site using OpenID during the span of one year.
News & Media
Salesforce, on the other hand, had more significant gaps, having to spend about $3 million over the span of one year to adjust compensation and bonuses for 11percentt of its employees.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
However, some describe that a time-span of one year is too short to detect any improvement in MSF scores [ 12, 13].
Science
Within the span of one-year, use of ORS and zinc combination therapy in children under 5 years of age with diarrhea, increased from less than 1% at baseline to 46.6% across the intervention districts, while no change was seen in comparator districts.
Academia
Changes in numbers of species were documented over a period of one year spanning 4 seasons in 3 different bodies of water.
Science
Most commercially exploited species have a life span of approximately one year at the end of which there is a single spawning event followed by death.
In all of the postdoctoral researchers in my lab to date, I have never had someone take such a deep dive into a topic, work tirelessly across disciplines, and emerge, in the span of just one year, with a new system, new insights, and ultimately a research program that will ground her own lab when she eventually starts her faculty career.
Academia
Expert writing Tips
Best practice
When describing events or processes that extend across an entire year, use "span of one year" to clearly define the duration and scope of the activity.
Common error
Avoid using overly vague language like "a while" or "some time" when a precise duration like "span of one year" is more appropriate for clarity and professionalism.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "span of one year" functions as a temporal noun phrase, specifying a duration. It is used to define the period over which an event, activity, or study takes place. According to Ludwig, the phrase is correct and usable in written English.
Frequent in
Science
34%
News & Media
54%
Formal & Business
6%
Less common in
Academia
6%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "span of one year" is a grammatically correct and frequently used temporal noun phrase that indicates a duration of twelve months. According to Ludwig, this phrase is usable in written English. Common in scientific, news, and formal business contexts, it provides clear temporal context to any event or activity. While versatile, writers should maintain clarity by avoiding vague alternatives when accuracy is required.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
one-year period
Replaces "span" with "period", emphasizing a distinct duration of one year.
twelve-month duration
Uses a more precise measurement of time, specifying the length in months.
annual timeframe
Substitutes "span of one year" with a more concise and formal term.
a year's time
Emphasizes the passing of a year, focusing on the duration itself.
one year interval
Focuses on the space or gap between two points in time, measured as one year.
a twelve month period
Uses a descriptive and specific definition of the time period.
single year
Highlights the singularity and distinctiveness of a single year.
365 days
Provides the most precise and literal duration, quantified in days.
a cycle of one year
Implies that the yearly period is recurring and can be repeated.
within the year
Indicates that a time reference happens inside the annual period.
FAQs
How can I use "span of one year" in a sentence?
You can use "span of one year" to define the duration of an event or activity, as in, "The project's development occurred over a "span of one year"."
What are some alternatives to "span of one year"?
Alternatives include "one-year period", "annual timeframe", or "twelve-month duration", depending on the level of formality and specificity required.
Is it more accurate to say "span of a year" or "span of one year"?
"Span of one year" is more specific and generally preferred in formal writing. "Span of a year" is acceptable, but less precise.
Can "span of one year" be used to describe future or past events?
Yes, "span of one year" can refer to either past or future durations. For example, "The study tracked changes over a "span of one year"" (past) or "The grant will fund the project for a "span of one year"" (future).
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested