one hour long

USAGE SUMMARY

The phrase "one hour long" is correct and usable in written English.
It can be used to describe the duration of an event, activity, or experience that lasts for one hour. Example: "The meeting is scheduled to be one hour long, so please be prepared to discuss all agenda items within that time frame."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

26 human-written examples

The version of 100 Latinos Dijeron on EstrellaTV will be one hour long.

Forbes

While most late-night programs are one hour long and rely on scripted comedy, "Last Call" runs for half an hour and emphasizes interviews and musical performances.

The New York Times

Here are 3 webinars that are one hour long each that may help.

University of California, Berkeley

The program is one hour long and piggybacks into the next show.

The Guardian - Music

The tape is about one hour long and in three segments.

The New York Times

All tours are one hour long, free of charge, and meet in the Atrium unless otherwise noted.

Stanford University

Human-verified similar examples from authoritative sources

Similar Expressions

34 human-written examples

The new system replaces the previous method: one hour-long interview.

Stanford University

But after just one hour-long meeting Monday, county commissioners unanimously rejected it.

The Guardian

All the behavioral data and predictors were averaged within genotype and collected in one hour-long bins (24 ZT in LD condition, 24 CT in DD condition).

Nature

A spokesman for BAA said there were no serious queues at Heathrow, apart from one hour-long wait for non-European Union passengers at terminal three.

The Guardian

The course format was two 75 minute lectures a week and one hour-long recitation (problem solving) session with a graduate student teaching assistant.

Johns Hopkins University

Expert writing Tips

Best practice

When describing the duration of events, ensure the context clarifies whether you mean a scheduled duration or the actual duration. For example, "The meeting is scheduled to be "one hour long" but may run over."

Common error

Avoid using "one hour long" when comparing durations. Instead of "This session is "one hour long", shorter than the previous one", use "This session is "one hour long", which is shorter than the previous one" or "This session is an hour long, shorter than the previous one".

Linguistic Context

The phrase "one hour long" primarily functions as an adjectival phrase, modifying a noun to specify its duration. Ludwig AI confirms this is a grammatically correct and usable phrase.

Expression frequency: Common

Frequent in

Science

35%

News & Media

40%

Academia

15%

Less common in

Wiki

10%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "one hour long" is a common and grammatically sound way to describe a duration. As verified by Ludwig AI, it functions primarily as an adjectival phrase used to specify the length of various activities, events, or recordings. While suitable for both formal and informal contexts, it is most frequently found in scientific, news media, and academic writing. When using the phrase, consider whether a hyphenated form ("one-hour long") might be more appropriate as a compound adjective and avoid misusing it in comparative sentences. Consider alternatives like "lasting an hour" or "of one hour duration" for variety.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

lasting an hour

Rephrases using a verb and article, focusing on the action of lasting.

an hour-long

Uses a hyphenated adjective form.

of one hour duration

Formal rephrasing using "duration" as a noun.

an hour in length

Focuses on the physical dimension of length related to time.

sixty minutes long

Replaces "one hour" with its equivalent in minutes for specificity.

a 60-minute duration

Uses a compound adjective and noun for a concise description.

hourly

Single word descriptor to suggest something recurring every hour or lasting for an hour

a single hour's length

Emphasizes the singularity of the hour duration.

taking an hour

Focuses on the time consumed or required by an event.

spanning one hour

Emphasizes the extension or coverage of time.

FAQs

How can I use "one hour long" in a sentence?

You can use "one hour long" to describe the duration of an event or activity, such as "The presentation is scheduled to be "one hour long"" or "The webinar will be "one hour long", so please come prepared".

What are some alternatives to saying "one hour long"?

You can use alternatives like "lasting an hour", "of one hour duration", or "an hour in length".

Is it better to say "one-hour long" or "one hour long"?

Both "one-hour long" and "one hour long" are acceptable, but "one-hour long" (with a hyphen) functions as a compound adjective before a noun, while "one hour long" is a descriptive phrase. For example, "a one-hour long meeting" vs. "the meeting is one hour long".

What is the difference between "an hour long" and "one hour long"?

Both phrases have almost the same meaning, describing a duration of 60 minutes. The use of "one" might add emphasis on the singularity of the duration, but generally they are interchangeable.