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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
for which time
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for which time" is not commonly used in written English and may sound awkward or unclear.
It could be used in contexts discussing specific time periods or durations, but it is generally better to rephrase for clarity. Example: "The project deadline is set for which time we need to finalize our plans."
News & Media
Science
Academia
Alternative expressions(20)
during which time
in which time
by which time
in that period
during that interval
for that duration
throughout that period
within that timeframe
for which period
for which duration
for which month
for which moment
for which length
for which stage
for which question
for which purpose
for which group
for which reason
for which months
for which completion
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
21 human-written examples
In a community for which time stood still in the 19th century, such changes are significant.
News & Media
Temporal Logic encompasses those systems of logic designed to facilitate the analysis of propositions for which time plays an essential part in their meaning.
This paper presents a novel architecture for fast parallel computation of co-occurrence matrices in high throughput image analysis applications for which time performance is critical.
It is a choice that depends on whether the products are commodities — functional goods for which cost matters most — or fashion goods — innovative products for which time to market is critical.
They argue that many of the issues cited by the Sunnis are purely domestic in nature and have no bearing on the security agreement, for which time is running out.
News & Media
There were the 4,400 years of collective experience lost in the space of 100 minutes by a department for which time on the job, firefighting know-how and gut instincts honed by performance count for almost everything.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
This practicable and simple approach could be applied to a variety of other watersheds for which time-sequenced digital land use maps are available.
Science
A special Clear lane arguably eases overall congestion at security checkpoints while raising money and providing a service for which time-pressed business travelers, who cringe at long security lines, are willing to pay $179 a year.
News & Media
The goal is to determine whether the two-dimensional unsteady approximation can be useful as an engineering analysis in problems for which time-averaged quantities are of primary interest.
Science
One reason is that, despite the long time horizon of these wicked issues, there can be short-term windows of opportunity for political action, more specific pressing issues requiring rapid response from scientific experts and so on, for which time-consuming assessments might not be the first choice.
Science & Research
That alleviates the computational complexity of those cases for which time-variant architectures have been usually proposed.
Expert writing Tips
Best practice
When using "for which time", ensure the context clearly refers to a specific period or duration. Avoid vague references that could cause confusion.
Common error
Avoid using "for which time" in informal contexts where simpler alternatives like "when" or "during" would be more appropriate. This can make your writing sound overly formal or stilted.
Source & Trust
86%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for which time" functions as a relative clause, modifying a noun phrase by specifying a particular period or duration. Ludwig confirms that while acceptable, there are often more common and clearer alternatives.
Frequent in
Science
33.33%
News & Media
33.33%
Academia
33.33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "for which time" serves as a relative clause to specify a particular period or duration. Ludwig indicates that while grammatically acceptable, it's not the most common or natural-sounding choice. Analysis reveals its presence across varied sources, including Science, News & Media, and Academia, indicating versatility but suggesting a neutral register. When writing, consider whether simpler alternatives like "during which", "by which time", or "when" might provide greater clarity and conciseness. Be mindful of over-formality, and ensure that the temporal reference is always clear to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
during which time
Changes the preposition from 'for' to 'during', focusing on the temporal aspect.
in which time
Replaces 'for which' with 'in which', slightly altering the prepositional usage.
at which point in time
Adds 'point in' to emphasize a specific moment.
by which time
Indicates a deadline or a time limit.
upon which occasion
Replaces "time" with "occasion", broadening the context beyond strict temporality.
in that period
Uses "period" instead of "time", referring to a duration.
during that interval
Substitutes with "interval" to highlight a specific segment of time.
for that duration
Replaces "time" with "duration", emphasizing the length of time.
throughout that period
Highlights the continuity across a segment of time.
within that timeframe
Specifies a temporal boundary using "timeframe".
FAQs
How can I rephrase "for which time" to sound more natural?
Consider alternatives like "during which", "by which time", or simply "when", depending on the specific context.
Is "for which time" grammatically correct?
While grammatically sound, "for which time" can sound formal or awkward. Ludwig AI suggests that while it is acceptable, it is not the most common phrasing.
When is it appropriate to use "for which time"?
Use "for which time" when you need to emphasize a specific duration or period, but be aware that simpler alternatives may be more suitable in many cases.
What are some common mistakes to avoid when using "for which time"?
Avoid using "for which time" in informal contexts, as it can sound stilted. Ensure the temporal reference is clear to prevent ambiguity.
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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
86%
Authority and reliability
3.5/5
Expert rating
Real-world application tested