Used and loved by millions
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
hot hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
"hot hours" is not correct and usable in written English.
Instead, you would use the expression "long hours" in written English to refer to a period of extended work or effort. For example: "The new project requires long hours of hard work."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(1)
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
11 human-written examples
Blindingly hot hours in a wooden rowboat, trolling for bass.
News & Media
I dive into the freezing loch to cast-off the hot hours working in the boat– it's good for a douse but too cold to swim for long.
News & Media
Occasionally they were be seduced by a first morning's heavy cloud cover, which might encourage the ball to swing in the air.But choosing to bowl first often meant long, hot hours of regret.
News & Media
The houses are low-slung and built from dun-colored bricks, and during the hot hours of the day, the only earthly creatures brave enough to step outside are fly-covered donkeys.
News & Media
These antelopes rest in thick bushes during the hot hours of the day.
Wiki
Hectic, long, hot hours away from family and friends, just to keep the bills paid.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
The hot, hour-long drive crossed through suburban sprawl and then into emerald countryside.
News & Media
In a hot, hour-long discussion outside the Oval Office, she writes, Obama made a personal appeal to her to take the adviser's job.
News & Media
The mix itself is a slew of sizzlers, a hot hour plus featuring some of the brightest electronic talents of the day.
News & Media
It was an unusually hot hour and the pit of my stomach was hard, and unkind, as I had prepared myself to go into the depths of Cairo without any male friends to accompany me.
News & Media
We called it our recording studio and brought down a guitar to play during the hottest hours of the day.
News & Media
Expert writing Tips
Best practice
Consider to replace with alternatives like "long hours" depending on the context.
Common error
Avoid using "hot hours" when a more specific term can better convey the intended meaning, for instance, differentiating between environmental heat and periods of intense activity.
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hot hours" functions as a noun phrase, typically used to describe a period of time characterized by high temperatures. While Ludwig indicates that this phrase is not grammatically correct, it is often used informally to denote the warmest part of the day. The examples highlight its usage in various contexts.
Frequent in
News & Media
42%
Science
33%
Wiki
25%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "hot hours" is used to refer to the warmest part of the day or periods of intense activity, as demonstrated by the examples provided. However, Ludwig AI suggests that "hot hours" is not grammatically correct for formal writing. While it appears in news and scientific sources, it's often more precise to use alternatives like "peak heat hours" or "hottest part of the day" when specifically discussing temperature. If describing periods of intense work or exertion, phrases such as "long hours" or "most strenuous hours" are more appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
peak heat hours
Focuses specifically on the time of day with the highest temperature.
hottest part of the day
Highlights the time frame when the temperature is at its maximum.
heatwave duration
Specifically refers to the length of a heatwave event.
scorching hours
Emphasizes the intensity of the heat during a specific time.
intense solar hours
Focuses on hours with strong sun radiation.
warmest hours
A more general term referring to the hours of the day when the temperature is highest.
peak activity hours
Shifts the focus to times of greatest exertion or performance.
most strenuous hours
Highlights the part of the day where the difficulty is higher.
prime exertion hours
Suggests the best hours for a intense work out.
high-intensity period
A more general term which describes when is appropriate to do intense activities.
FAQs
What does "hot hours" mean?
While not grammatically standard, "hot hours" generally refers to the time of day when temperatures are at their highest, or a period of intense activity. A better alternative, depending on the context, is "hottest part of the day" or "long hours".
Is "hot hours" grammatically correct?
According to Ludwig AI, "hot hours" is not considered grammatically correct in written English. It's preferable to use alternatives like "peak heat hours" when referring to temperature, or "long hours" when describing time spent working.
What are some alternatives to "hot hours" when describing the weather?
When referring to weather, consider using phrases such as "hottest time of day", "peak heat hours", or "scorching hours" to more accurately describe the period of intense heat.
Can "hot hours" refer to periods of intense activity?
While less common, "hot hours" could be used metaphorically to describe periods of intense activity. However, it's more precise to use terms like "peak activity hours" or "most strenuous hours" to convey that meaning.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested