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
longer one day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "longer one day" is not correct in standard written English.
It may be intended to convey a comparison or a duration but lacks clarity and proper structure. Example: "The days feel longer one day at a time during the summer."
⚠ May contain grammatical issues
News & Media
Science
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
2 human-written examples
So if I end up staying longer one day I try to make sure I get home as soon as I can the next.
News & Media
"Mon Dieu," she roars at the bare ceiling, "leave him with me a little longer – one day, two days – to fill my life a little, to begin or to end, to brighten or to suffer …." With the piano pounding behind her, she belts out the final plea of a broken woman – "Even if I'm wrong, leave him with me a little longer" – and steps out of the spotlight, exhausted.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
The results showed that for the same level of O3 exposure, the seedlings subjected to the longer one-day exposure were more sensitive than those whose total O3 exposure was divided over two consecutive days (Figure 6). Figure 6 Under the same dosage of O3 exposure, seedlings exposed for 8 hours in one day were more sensitive than seedlings exposed for 4 hours/day in two consecutive days.
Science
On a longer expedition one day, we rode over rolling flanks from the Corne de Sorebois beside the Moiry glacier to the Moiry dam – where it was possible to ski a steep line right against the dam wall then out along a long shallow valley beside a bubbling stream, ending at Grimentz village.
News & Media
Nonetheless, the estimated calibration parameters are not very robust and often only few of these nine parameters are estimated, or they are estimated on periods longer than one day.
Science
The difference in the p value between these areas is significant for periods longer than 0.5 days, where the p value was not plotted for the southern area for periods longer than one day because the model-fitting analysis did not converge.
Science
But it would be a waste to visit Albania without staying for longer than one day.
News & Media
In the world of celebrity, holidays are a lot longer than one day, and they mean more than mere celebration.
News & Media
They take practice runs at this time of year, then the runs get longer, and one day they're gone.
News & Media
He has looked rusty, but so too do the South Africans, several of whom last played a match lasting longer than one day back in March.
News & Media
When those Basij boys told me that they would willingly die to defend the revolution, I thought that if their leaders succeed in blocking reforms for too much longer, then one day they may well have to do just that Some names have been changed.
News & Media
Expert writing Tips
Best practice
Rephrase your sentence for clarity. Instead of "longer one day", consider using "one day longer" or "a longer period" for better readability.
Common error
Avoid using "longer one day" when you intend to compare the length of time. To accurately compare the length of time, it's best to rephrase using alternatives that have proper structure, such as "one day longer" or "more than a day".
Source & Trust
85%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "longer one day" primarily functions as an adverbial modifier, attempting to describe the duration or extent of an action or state. However, Ludwig AI indicates that the phrase isn't grammatically correct in standard English, affecting its communicative effectiveness.
Frequent in
News & Media
40%
Science
30%
Formal & Business
10%
Less common in
Academic
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "longer one day" attempts to express a duration extending beyond a single day. However, Ludwig AI identifies it as grammatically incorrect and lacking clarity. While it appears in diverse sources like news articles and scientific papers, it's advisable to use more precise and grammatically sound alternatives. Consider options like "one day longer" or "a longer period" for better clarity and effectiveness in communication. Pay attention to context to select the most appropriate substitute.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
one day longer
Reverses the order, focusing on the 'one day' aspect and extending it.
a longer day
Simplifies the phrase to refer to a day of extended duration.
extended one day
Uses 'extended' as a verb, indicating a day's duration has been increased.
more than a day
Indicates a duration exceeding a single day.
for a longer period
Generalizes the duration to a longer, unspecified time.
over a longer duration
Highlights the increased duration over which something occurs.
an additional day
Specifies adding one more day to an existing period.
one extra day
Similar to 'an additional day', emphasizing the extra day.
increased day length
Focuses on the length of the day being increased.
a day's extension
Formal way to refer to an increase in the duration of a day.
FAQs
What is a more grammatically correct alternative to "longer one day"?
Alternatives include "one day longer", "a longer day", or "more than a day", depending on the context.
How can I use "longer one day" correctly in a sentence?
While not standard, you might rephrase to use it descriptively, like: "The effects were longer, one day at a time". However, it's best to use clearer alternatives like "over a longer period".
What's the difference between "longer one day" and "one day longer"?
"Longer one day" is grammatically awkward. "One day longer" is a standard phrase indicating an extension of time by a single day. For example, "The meeting lasted one day longer than expected".
Is "longer one day" considered formal or informal language?
Due to its grammatical issues, "longer one day" isn't suitable for either formal or informal use. Opt for more precise and grammatically sound alternatives like "an additional day" or "one extra day".
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
85%
Authority and reliability
2.8/5
Expert rating
Real-world application tested