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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
during the initial hour
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "during the initial hour" is correct and usable in written English.
You can use it when you want to indicate a time frame at the very beginning of an event or activity. For example, "We made significant progress during the initial hour of the meeting."
✓ Grammatically correct
Science
News & Media
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
5 human-written examples
The CO2 transfer was highest during the initial hour and ranged from 45 to 35 mL/min, achieving near eucapnic values.
New cell phone video of the arrest of Freddie Gray, the unarmed black man who was critically injured in April in the custody of Baltimore police and later died, shows officers lifting his limp body into a police van face down and head first at the first of four stops made during the initial hour of his arrest.
News & Media
In contrast to the role of FGF receptor signaling –which is only required during the initial hour of cardiac induction– we found that cardiac induction needs sustained activation of ERK over at least four hours.
Science
In total, 104 statements were formulated by the participants during the initial hour and a half of this first meeting.
20 While it is unlikely that the skin perfusion completely normalized after the probe's insertion in the current study, PG dissipation was likely to have been relatively rapid during the initial hour of stabilization.
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Describing the evacuations during the initial hours after last Wednesday's quake, Toro says: "A million people were evacuated and that saved a lot of lives.
News & Media
The activities of VA and 3VCA do not differ substantially during the initial hours.
The maximum debris bed temperature attained during the initial hours of PAHR does not depend much on when the Decay Heat Exchanger (DHX) gets operational, and it substantiates the inherent safety of the system.
This might be due to the possible formation of primary emulsion of smaller volume of IAP resulting in smaller drug globules with less protein on surface which consequently results in minute amount of protein release during the initial hours.
Science
The occurrence of the clinical manifestations of ischemic heart disease (IHD) – myocardial ischemia and angina pectoris, acute myocardial infarction, and sudden cardiac death – is unevenly distributed during the 24 h with greater than expected events during the initial hours of the daily activity span and in the late afternoon or early evening.
Additional fatalities are possible due to the extreme fire behavior during the initial hours of the incident," the Kern County Fire Department said in a statement on Sunday.
News & Media
Expert writing Tips
Best practice
Use "during the initial hour" to specify actions or events that happen at the very beginning of a process, experiment, or time-sensitive situation. This emphasizes the immediacy and importance of the initial phase.
Common error
Avoid using "during the initial hour" to describe actions that continue well beyond that timeframe. This phrase best suits events concentrated at the start, not spread out over a longer period.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "during the initial hour" functions as an adverbial phrase, modifying a verb or clause by specifying the time at which an action occurs. As evidenced by Ludwig, the phrase indicates that an event or action took place within the first 60 minutes.
Frequent in
Science
70%
News & Media
30%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "during the initial hour" is a grammatically sound and uncommon adverbial phrase used to specify the timeframe of an event's commencement. Ludwig confirms that its primary function is to provide temporal context, particularly in scientific and news contexts. The phrase is deemed suitable for neutral to formal registers, lending precision when describing actions that occur right at the start. Although Ludwig reports its usage as grammatically correct, it's important to use it accurately, avoiding the description of actions that continue beyond the first hour.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in the first hour
Uses "first" instead of "initial", slightly more direct.
within the first hour
Adds a sense of immediacy and containment to the time frame.
at the beginning of the hour
Focuses on the very start of the hour, rather than the duration.
early in the hour
Highlights the early part of the hour, not necessarily the very beginning.
during the opening hour
Emphasizes the start or commencement of a period.
in the starting hour
Focuses on the action or event that begins the timing.
at the hour's commencement
A more formal and less common way of saying at the start of the hour.
upon the hour's initiation
Highly formal and emphasizes the very moment the hour begins.
as the hour begins
Shifts the focus to the action occurring at the start of the hour.
from the start of the hour
Highlights the continuous action from the beginning.
FAQs
How can I use "during the initial hour" in a sentence?
You can use "during the initial hour" to describe something that happens in the first 60 minutes of a specific event. For example, "The CO2 transfer was highest "during the initial hour" of the experiment".
What are some alternatives to "during the initial hour"?
You can use alternatives like "in the first hour", "within the first hour", or "at the beginning of the hour" depending on the specific nuance you want to convey. See more alternatives "in the first hour".
Is it more appropriate to use "during the first hour" or "during the initial hour"?
Both "during the first hour" and "during the initial hour" are grammatically correct and largely interchangeable. "Initial" may add a slightly more formal or emphatic tone.
What is the difference between "at the beginning of the hour" and "during the initial hour"?
"At the beginning of the hour" refers to the very start, while "during the initial hour" refers to the whole first hour of the event.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested