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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
two hours in advance of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "two hours in advance of" is correct and usable in written English.
It can be used to indicate that something should be done or scheduled two hours before a specific time or event. Example: "Please arrive at the airport two hours in advance of your flight to ensure you have enough time for check-in and security."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
two hours before
two hours prior to
two hours beforehand
two hours preceding
two hours earlier than
2 weeks prior
2 hours beforehand
2 hours before
two hours ahead of
two hours back
2 hours prior
two hours earlier
two hours previous to
a couple of hours before
2 hrs prior
two hours ahead
2 hours rather
2 months prior
2 hours preceding
2 hours first
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
1 human-written examples
The county urges travelers to take taxis and limousines and get to the airport at least two hours in advance of their flights.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
There is no need to arrive two or three hours in advance of a charter flight, for example.
News & Media
The first foEs bell-shaped spike also can be used for short-term forecasting, two three hours in advance of a substorm.
Science
UNCRO was notified three hours in advance of the attack, when Šarinić telephoned Janvier.
Wiki
Being Miss Organized I loved how Bayview emails you twenty-four hours in advance to confirm and the day of pickup to let you know your car is on its way, giving you the drivers name and cell phone, all those little extra touches to help cut down on any worry.
News & Media
We have constructed operational models for forecasting the geomagnetic storm index (Dst) two hours in advance from six parameters: the velocity and density of the solar wind, the magnitude of the interplanetary magnetic field (IMF), and the x, y, and z components of the IMF.
Science
You'll do best to arrive at Port Authority three to four hours in advance, so you can be at the head of the line at the gate.
News & Media
Hundreds of people lined up three hours in advance for a recent Morgan autograph signing at the store; Barnes said Morgan stayed longer than the scheduled hour yet still could not fulfill every request.
News & Media
The deadline at the hotels is two hours in advance.
News & Media
If you are snacking, do so one to two hours in advance.
Wiki
Even when a flight isn't delayed, requirements like "having to show up for international flights two or three hours in advance" are sources of mounting frustration, he said.
News & Media
Expert writing Tips
Best practice
When scheduling events or tasks, use "two hours in advance of" to clearly communicate the necessary lead time for preparation or arrival. For example, "Please submit your application two hours in advance of the deadline to ensure timely processing."
Common error
Avoid assuming that "two hours in advance of" means you can start preparations at the designated time. It means you must complete necessary actions before that time, leaving a two-hour buffer.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "two hours in advance of" functions as a prepositional phrase modifying a verb or noun, indicating a specific timeframe before an event. This signifies a temporal relationship, as supported by Ludwig's examples. The phrase specifies when an action or preparation needs to occur in relation to another event.
Frequent in
News & Media
36%
Science
33%
Wiki
15%
Less common in
Formal & Business
9%
Reference
4%
Encyclopedias
3%
Ludwig's WRAP-UP
The phrase "two hours in advance of" serves as a prepositional phrase that specifies a timeframe before an event, aiming to ensure timely preparation or arrival. According to Ludwig, the phrase is grammatically correct and commonly found in news articles, scientific papers, and wiki pages, indicating broad usability. While slightly more formal, it's a clear way to set expectations for timing and avoid potential misunderstandings. For similar expressions, one can opt for alternatives such as "two hours before" or "two hours prior to" depending on the desired level of formality. Overall, it's a reliable expression for precise communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
two hours prior to
Replaces "in advance of" with "prior to", maintaining a formal tone but slightly different phrasing.
two hours before
Simplifies the phrase to a more direct and common expression.
two hours beforehand
Uses an adverb to indicate the time before an event.
two hours preceding
Emphasizes the temporal order of events.
two hours earlier than
Emphasizes the time difference compared to another event.
two hours ahead of time
Highlights the concept of being early.
with two hours to spare
Focuses on having extra time rather than anticipating a future event.
two hours leading up to
Focuses on the period immediately preceding an event.
two hours ahead of schedule
Highlights the early completion or arrangement of something.
two hours antedating
Uses a more formal and less common word for "before".
FAQs
How to use "two hours in advance of" in a sentence?
Use "two hours in advance of" to specify a period before a specific event or time. For example, "You should arrive "two hours in advance of" your flight" means you must be at the airport two hours before your flight's scheduled departure.
What can I say instead of "two hours in advance of"?
You can use alternatives like "two hours before" or "two hours prior to" depending on the context.
Which is correct, "two hours in advance of" or "two hours before"?
Both "two hours in advance of" and "two hours before" are correct. The former is slightly more formal, while the latter is more common in everyday language.
What's the difference between "two hours in advance of" and "two hours leading up to"?
"Two hours in advance of" indicates a point two hours before an event. "Two hours leading up to" refers to the entire period of two hours before the event, emphasizing the time period rather than a single point in time.
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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