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
over one day
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "over one day" is correct and often used in written English.
It is typically used to indicate a period of time that covers or includes a full 24-hour day. It implies that the action or event being described took place for at least one full day. Example: "I traveled to New York and back over one day for a business conference." In this example, the speaker is indicating that they traveled to New York and back within a 24-hour period, potentially implying that it was a short and busy trip.
✓ Grammatically correct
News & Media
Science
Alternative expressions(3)
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
51 human-written examples
"He came over one day and said he wasn't on the diet anymore.
News & Media
In 12 patients urea therapy was initiated after 1 or 2 L isotonic saline (given over one day) and which did not improved natremia (two were on thiazide).
Science
He came over one day and looked at it.
News & Media
Air traffic data were obtained from NASA's Future ATM Concepts Evaluation Tool, for the Alaskan airspace over one day.
Science
The control trajectories optimising the operational cost over one day to one week horizon are generated by the upper layer.
Science
"I hope at least one of them can take it over one day.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
Limited-over one-day cricket was introduced in India in the early 1950s.
Encyclopedias
This summer, a new 50-over One-Day Cup replaces the 40-over competition.
News & Media
He will be available for 10 County Championship fixtures and the 50-over One-Day Cup for Hampshire.
News & Media
Sydney-born Horton, 31, took over one-day captaincy duties from Chapple at the start of the 2014 season and has relished the opportunity.
News & Media
The World League is played in the longer 50-over one-day international format.
News & Media
Expert writing Tips
Best practice
When describing a process or event that takes a full day or more, use "over one day" to emphasize that the activity extends beyond just a few hours within that day.
Common error
Avoid using "over one day" when you specifically mean a fraction of a day. For shorter durations, phrases like "within a few hours" or "during the morning" are more accurate.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "over one day" functions primarily as an adverbial phrase modifying a verb, indicating the duration or timeframe in which an action or event occurs. As Ludwig AI points out, it is correct and frequently used.
Frequent in
News & Media
33%
Science
65%
Formal & Business
0%
Less common in
Encyclopedias
2%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "over one day" is a grammatically sound and frequently used prepositional phrase that functions as an adverbial modifier, as highlighted by Ludwig AI. It specifies the timeframe within which an event or activity takes place. While versatile, it's important to ensure that this phrase accurately represents the actual duration being described to avoid any ambiguity. It sees frequent usage in Scientific contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in a 24-hour period
Emphasizes the specific duration of a day, using a more precise numerical description.
within a day
Indicates completion or occurrence before the end of a single day.
during one day
Focuses on the events happening during the course of a single day.
throughout the day
Implies continuous action or events spread across the entire day.
spanning a day
Highlights the duration of an event that extends across the entire day.
for the duration of a day
Explicitly specifies the length of time as one full day.
lasting one day
Emphasizes the duration of something that lasts for one day.
a day's time
Uses a possessive form to indicate the period of a day.
a single day
Stresses the singularity or one-time nature of the day.
one 24-hour cycle
Uses scientific or technical terminology to refer to the day's duration.
FAQs
How can I use "over one day" in a sentence?
You can use "over one day" to describe an activity, event, or process that extends for more than a part of a day but less than two full days. For example, "The data collection was performed "over one day" to capture the entire daily cycle".
What can I say instead of "over one day"?
Depending on the context, you could use alternatives like "in a 24-hour period", "within a day", or "during one day".
Is it correct to say "during one day" instead of "over one day"?
Both ""over one day"" and "during one day" are grammatically correct, but they have slightly different connotations. "Over one day" often implies a process extending for a significant portion of the day, while "during one day" simply means something happened at some point in the day.
What's the difference between "over one day" and "for one day"?
"Over one day" suggests a period slightly more than a part of one day, whereas "for one day" indicates a duration specifically lasting the whole 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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested