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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on which time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on which time" is not commonly used in written English and may sound awkward or unclear.
It can be used in contexts where you are referring to a specific point or period in time related to an event or situation. Example: "The project was completed on which time we had originally planned to launch."
News & Media
Science
Wiki
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
23 human-written examples
Morrisons charges £1, £3, or £5, for its one-hour delivery slots, depending on which time of day you want your shopping to arrive.
News & Media
Carter convinces Seth, the skilled one of the operation, to rework the recording ― playing it through a feeble vintage speaker to re-record it, layering it with fuzz and distortion: "By the time I'd finished, it sounded like a worn 78, the kind of recording that only exists in one poor copy, a thread on which time and memory hang".
News & Media
That would be either 16 or 17 June, depending on which time zone you happen to follow.
News & Media
Then they can all look at the same application and write in comments, or compare notes on which time slots are free for an interview.
News & Media
Trust ecologist David Brown said he expected fans of literature to make a pilgrimage to the heath to immerse themselves in a landscape Hardy described as "a face on which time makes but little impression".
News & Media
Inheriting Alec Guinness's screen role as the mastermind of a quintet of malefactors who take up residency in a soft-spoken elderly lady's self-evidently vertiginous home, Mr. Capaldi lends a deliciously silken purr to an eventually deathly ruse on which time is running out.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
To place these decisions in some context, share with students the Times interactive feature "Public Opinion and the Occupy Movement," on which Times readers placed themselves on a similar grid in response to the same five statements.
News & Media
He had four fours and two maximums when he was caught at long-on, by which time Bairstow had comfortably found his range.
News & Media
Another even better chance for Henry went begging late on, by which time he'd been booked — his main contribution to the stat sheet on the night.
News & Media
A few months on, by which time Mourinho had taken charge of Internazionale, the Milan club visited Manchester United and the Halseys called at their hotel.
News & Media
This will help you find out which character will be found on hand at which time on any given day of the year.
Wiki
Expert writing Tips
Best practice
Ensure the context clearly warrants the use of a more formal or less common phrase; otherwise, simpler alternatives may be more effective.
Common error
Avoid using "on which time" in informal contexts or when simpler alternatives like "when" or "at that time" would suffice. Overusing formal phrases can make your writing sound stilted or unnatural.
Source & Trust
80%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on which time" functions as a prepositional phrase, often introducing a relative clause that specifies a particular moment or duration. As Ludwig points out, the phrase is acceptable, though alternatives are generally preferred in modern writing.
Frequent in
News & Media
33%
Science
42%
Wiki
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "on which time" functions as a prepositional phrase, establishing a temporal link between events. While grammatically acceptable, it is less common in contemporary English, with alternatives like "at which time" or "during which time" often preferred for improved clarity. Ludwig indicates the phrase is not incorrect, although it can sound awkward to modern ears. Usage is primarily found in news, media, and scientific contexts, but writers should be mindful of its slightly formal tone and consider more common alternatives for general readability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
at which time
More common and often preferred alternative to indicate a specific point in time.
during which time
Emphasizes the duration of an event or action, rather than a specific point.
upon which occasion
More formal and emphasizes a specific event or instance.
in which instance
Highlights a specific case or example, offering a less time-focused perspective.
when
A simple and direct way to refer to a time or occasion.
as of that time
Highlights a state of affairs starting from a defined time.
by that time
Indicates a deadline or a point of completion.
at that moment
Highlights a specific instant in time.
in those days
Refers to a less specified, more general period of time.
on that day
Refers to specific date or celebration
FAQs
What is a more common substitute for "on which time"?
Alternatives such as "at which time" or "during which time" are generally preferred for clarity and flow.
Is "on which time" grammatically incorrect?
While not strictly incorrect, "on which time" is less common in contemporary English and may sound awkward. Ludwig AI suggests that it's not incorrect but awkward.
How can I use "on which time" correctly in a sentence?
Use "on which time" to refer to a specific point in time related to an event, though consider if "at that time" or "when" might be clearer.
What's the difference between "on which time" and "at which time"?
"At which time" is a more standard and widely accepted way to refer to a specific moment, while "on which time" is less frequently used and can sometimes sound stilted.
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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
3.5/5
Expert rating
Real-world application tested