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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
a range of hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'a range of hours' is correct and usable in written English.
You can use this phrase to describe a period of time that is marked by a beginning and an end, or to describe a period of time that varies from one to another. For example: We offer a range of hours that are flexible to accommodate your needs.
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
a span of hours
a period of hours
a duration of hours
an extent of hours
a block of hours
a window of hours
a variety of hours
a set of hours
a range of responsibilities
a range of workshops
a range of hrs
a range of weeks
a range of opportunities
a range of restrictions
a range of holidays
a range of courses
a range of periods
a range of months
a range of worked
a couple of hours
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
1 human-written examples
Given a milk response of 0 pounds per cow per day, partial budget, NPV and sensitivity analyses comparing LED and T8 systems to the before study 400W HPS system for Barns A, B, and C yielded expected increases in profit over a range of hours of lifetime and $ per kWh, and NPVs greater than zero.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
The mean interview time was 1.8 hours with a range of 0.56 hours to 2.5 hours.
Science
Limb weakness by strength testing or subjective patient interpretation progressed to its lowest point (nadir) within 24 hours in 24 patients (88%), with a range of <6 hours to 3 days.
Science
In early 2002, DynCorp hired Sportsflight on behalf of the government to secure a plane with 10 seats and a range of nine hours for chartered flights.
News & Media
"It is so frustrating when they are shut or in the summer when they have reduced opening times but postgraduate students still desperately need a range of access hours". For Naila Missous, 22, studying English literature at the University of Manchester, all night libraries do not need to simply be a place for sleepy study.
News & Media
The i3 is otherwise a full EV, with a range of 80-100 honrs on a charge, but the automaker sells a small gasoline engine as a "range extender" to run the electric motor once the car's lithium-ion battery is depleted, which more or less turns it onto a hybrid EV/plug-in hybrid.
News & Media
To control for outliers, responses were curtailed to a range of 3 – 15 hours.
Science
Most trademarked therapies had narrow ranges of training program length, like Hellerwork Structural Integration™ with a range of 1200-1250 hours.
For re-engaging deferred donors, as well as recruitment of new donors, strategies to enhance convenience include maintaining a range of opening hours and locations (including mobile collections), and offering services such as transport and child-care arrangements.
Science
Measurements made in a population-based study of Canadian homes in 1991 over multiple seasons had a range of 24-hour mean concentrations of 1.10 – 8.10 μg/m[ 41].
The necrosis develops within a time range of hours to a few days [ 13, 14] during which time uncoagulated and undestroyed tumour antigens can be exposed to the immune system.
Expert writing Tips
Best practice
When describing operational times or availability, use "a range of hours" to clearly indicate the minimum and maximum time frames. For instance, "The store is open a range of hours, from 8 AM to 10 PM."
Common error
Avoid using "a range of hours" when referring to a single, fixed duration. Instead, specify the exact number of hours or use terms like "several hours" if the duration is approximate.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a range of hours" functions as a noun phrase, specifying a duration with a defined minimum and maximum. It's often used to describe operational times, availability, or the length of a process. As Ludwig AI confirms, the expression is correct.
Frequent in
Science
30%
News & Media
30%
Academia
20%
Less common in
Formal & Business
10%
Encyclopedias
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, "a range of hours" is a grammatically sound and frequently used phrase to indicate a period of time with a specified start and end. Ludwig AI validates its correctness. It effectively communicates flexibility or variance in duration, applicable across diverse fields such as science, news, and academia. When employing this phrase, ensure clarity in specifying the time boundaries, and avoid using it for fixed durations. Alternatives like "a span of hours" or "a period of hours" can provide similar meanings with subtle nuances. This analysis, supported by various sources and examples, aims to guide accurate and effective usage of the phrase "a range of hours".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a span of hours
Replaces 'range' with 'span', emphasizing a continuous period.
a duration of hours
Substitutes 'range' with 'duration', highlighting the length of time.
a period of hours
Uses 'period' instead of 'range', focusing on a specific time frame.
an extent of hours
Replaces 'range' with 'extent', emphasizing the degree or scope of time.
a block of hours
Substitutes 'range' with 'block', suggesting a set or segment of time.
a window of hours
Uses 'window' instead of 'range', focusing on a specific time interval.
a schedule of hours
Replaces 'range' with 'schedule', emphasizing a planned timeframe.
a variety of hours
Substitute of the word 'range' by 'variety', emphasizing the diversity of options.
a spectrum of hours
Substitute of the word 'range' by 'spectrum', emphasizing the extension of options.
a set of hours
Replaces 'range' with 'set', emphasizing a certain amount of time.
FAQs
How can I use "a range of hours" in a sentence?
Use "a range of hours" to describe a flexible time frame. For example: "We offer services within "a range of hours" to accommodate different schedules."
What's a good alternative to "a range of hours"?
Depending on the context, you could use alternatives like "a span of hours" or "a period of hours" to convey a similar meaning.
Is it correct to say "a range of hour" instead of "a range of hours"?
No, it should be "a range of hours" because "hours" is plural, indicating multiple hours within the specified range.
How does "a range of hours" differ from "specific hours"?
"A range of hours" implies a flexibility or variance in the time frame, while "specific hours" refers to a fixed and predetermined time period.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested