at which hour

USAGE SUMMARY

The phrase "at which hour" is correct and usable in written English.
It can be used when asking for or specifying a particular time for an event or action. Example: "Please let me know at which hour the meeting is scheduled to start."

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

"You never know at which hour, on which road, in which school, the bullets will rain down".

The New York Times

You can choose which wallpaper appears at which hour of the day.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Mom (Debra Jo Rupp) is a nurse; Dad (Kurtwood Smith) has some kind of job at which his hours have been cut back.

The New York Times - Arts

There was something Einsteinian about the freakish speed at which that half hour whizzed by.

The Guardian - Music

At which point, 24 hours later at the Arena Amazônia: enter England's gameplan.

The Guardian - Sport

Families allocated to the control condition are invited to a one-evening-only event, at which the two-hour programme was delivered.

BMC Public Health

Note that hour 15 is the hour at which load reaches its peak during that day, and when the load decreases, the ramp rate is almost the same.

Journal of Modern Power Systems and Clean Energy

The cells were harvested after 16 hours, at which time point the beads liberate 5.32 mg glucose per hour.

BMC Genomics

The hour at which one might wear which jacket was always a matter of heated debate.

The New York Times

The "ungodly hour" at which one wakes up to be ready to roll at 6 a.m.

The New York Times

On Day One this year, New York City time, sunrise occurred at 5 42 A.M. — a civilized hour at which to finish breakfasting.

The New Yorker

Expert writing Tips

Best practice

When specifying a particular time, consider using more common alternatives like "at what time" or "when" for greater clarity and conciseness.

Common error

Avoid using "at which hour" in informal contexts as it may sound overly formal or stilted. Opt for simpler alternatives like "when" or "at what time" in casual conversation.

Linguistic Context

The phrase "at which hour" functions as a prepositional phrase, typically introducing a clause that specifies a particular point in time. Examples from Ludwig show it used to pinpoint an exact hour for an event or action.

Expression frequency: Rare

Frequent in

News & Media

33%

Wiki

33%

Science

34%

Less common in

Academia

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "at which hour" is a grammatically correct but infrequently used way to specify a particular time. Ludwig AI indicates that while valid, simpler alternatives like "at what time" or "when" are often preferred, especially in informal settings. Its usage is more common in news, wiki, and scientific contexts, but it's rare in academic or business settings. When aiming for clarity and conciseness, consider opting for these more common alternatives.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at what time

Replaces "which hour" with "what time", offering a more direct and common alternative.

at what hour

Similar structure, using 'what' instead of 'which'.

when

A simpler and more concise way to ask or specify a time.

at what specific hour

Adds emphasis on the specificity of the hour.

during which hour

Emphasizes the duration within a specific hour.

precisely when

Highlights the exact moment in time.

at the time of

Focuses on a specific point in time.

on what hour

Uses "on" instead of "at", offering a slightly different prepositional choice.

at the stroke of which hour

More literary and emphatic way of pinpointing a specific hour.

upon which hour

A more formal and somewhat archaic way to phrase the question.

FAQs

What is an alternative to "at which hour" that sounds less formal?

You can use simpler phrases like "at what time" or simply "when", depending on the context.

How can I use "at which hour" in a sentence?

You can use "at which hour" to specify a precise time. For example, "The meeting will commence at which hour the clock strikes noon".

Is "at which hour" grammatically correct?

Yes, "at which hour" is grammatically correct, although it's considered a more formal and less common way to ask about or specify a time. Ludwig AI confirms that the phrase is correct and usable in written English.

What is the difference between "at which hour" and "at what time"?

"At which hour" and "at what time" are similar, but "at which hour" is more formal and less frequently used. "At what time" is generally preferred for its simplicity and wider acceptance.