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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
zero hour
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "zero hour" is correct and usable in written English.
It is most commonly used to refer to the time to begin an operation or event, such as, "At zero hour, the troops began their mission."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(20)
crucial moment
starting point
critical juncture
designated time
the eleventh hour
the beginning
the appointed time
decision time
decisive moment
the moment of truth
crunch time
moment of truth
crossroads
moment had arrived
time had come
the stage was set
the die was cast
opportunity presented itself
time is ripe
the moment arrived
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
45 human-written examples
It's "zero hour for our economy," says one of Lenny's friends, "zero hour for our military might, zero hour for everything that used to make us proud to be ourselves".
News & Media
Zero hour was approaching.
News & Media
They read "the zero hour has come.
News & Media
It was called Zero Hour!
News & Media
Saturday morning is zero hour for short-order cooks.
News & Media
Zero hour contracts are rife, permanent roles sparse.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
Zero-hour contracts are disgusting.
News & Media
No real jobs, just zero-hour contracts.
News & Media
This concurrent rise of zero-hour contracts is no coincidence.
News & Media
Unhappy about being on a zero-hour contract?
News & Media
Sports Direct is now justly infamous for its zero-hour contracts.
News & Media
Expert writing Tips
Best practice
Use "zero hour" when referring to the commencement of a planned event, especially in military or high-stakes situations. Ensure the context aligns with the sense of urgency or importance the phrase implies.
Common error
Avoid using "zero hour" in everyday situations where a simpler term like "start time" or "beginning" would suffice. Overusing the phrase can dilute its impact and sound overly dramatic.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "zero hour" functions as a noun, often acting as a subject or object in a sentence. As Ludwig AI confirms, it denotes the commencement of an operation or event.
Frequent in
News & Media
60%
Wiki
20%
Science
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "zero hour" is a noun phrase signifying the start of a significant event, often with military or strategic implications. As Ludwig AI indicates, it's considered grammatically correct and is frequently used in news media, though its overuse in casual contexts should be avoided. Alternative phrases include "crucial moment" and "launch time". The term carries a neutral to formal register, conveying urgency and planned initiation. Though its authoritative sources demonstrate common usage, "zero hour" remains somewhat uncommon compared to more general terms like "start time" or "beginning".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
crucial moment
Focuses on the criticality of the time rather than specifically indicating the start.
starting point
Indicates a point of commencement, without necessarily implying urgency or military connotations.
launch time
Specifically indicates the time when something is launched or initiated.
critical juncture
Highlights the significance and decisiveness of the moment.
designated time
Emphasizes the pre-arranged or scheduled nature of the moment.
D-day
Similar military connotation but more specific to a particular operation.
the eleventh hour
Implies something happening at the last possible moment before a deadline, rather than a starting point.
the beginning
A general term for the start of something, lacking the urgency or specific timing of "zero hour".
the appointed time
Highlights the planned and agreed-upon nature of the timing.
kick-off
Commonly used in sports to indicate the start of a game, but can be applied to other events.
FAQs
How can I use "zero hour" in a sentence?
You can use "zero hour" to indicate the start of an important event or operation, such as, "The troops were ready for action at "zero hour"."
What phrases are similar to "zero hour"?
Alternatives include "crucial moment", "starting point", or "launch time" depending on the context.
Is "zero hour" appropriate for formal writing?
Yes, "zero hour" is appropriate for formal writing, especially in military, strategic, or historical contexts. However, consider the tone and audience to ensure it aligns with the overall message.
What is the origin of the term "zero hour"?
The term "zero hour" originated in military contexts to designate the specific time when an operation was scheduled to begin. Its usage has since expanded to other fields to denote a critical starting point.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested