in different days

USAGE SUMMARY

The phrase 'in different days' is correct and usable in written English.
You can use it to refer to two or more days that are not the same. For example: "We tried the same experiment in different days and got different results."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

53 human-written examples

The workload index did not differ in different days of the week.

BMC Infectious Diseases

For reproducibility, same samples at three concentration levels (200, 400 and 800 ng) were analyzed in different days (inter-day) and results were statistically evaluated in terms of % R.S.D.

Chemistry Central Journal

The cells were photographed in different days of culture (from day 0 to day 14) in at least seven random fields by placing the multiwell about in the same position.

Biology of Sex Differences

Equation 2 was used to analyse for there were any significant differences between the returns in different days of the week in BIST.

Journal of Global Entrepreneurship Research

The four interviewers went to different public locations within the borough (underground stations, high street and residential areas) at different times during the day (early morning, midday and in the evening) and in different days of the week (including weekends).

BMJ Open

Inter-day precision of the method calculated after analysis of five different concentrations of mercury standard solutions by the same analyst in different days and by two different analysts in different days gave coefficient of variation 4.89 and 5.44%, respectively.

Journal of Pharmaceutical and Biomedical Analysis

Human-verified similar examples from authoritative sources

Similar Expressions

7 human-written examples

Participants were tested on each task in separate sessions, in two different days.

Plosone

For the reliability, five measurements in two different days (one week apart) were performed in 20 healthy subjects.

BMC Musculoskeletal Disorders

London Transport, in very different days, used to publish a guide to Hawksmoor churches.

The Guardian - Arts

FCO2 was measured in four different days at 6 00 and 15:00 h.

Geoderma

"He was always trying to figure it out," Ms. Evnin said of her son, who was 21 and lived in South Burlington, Vt ."Different days he wanted different things.

The New York Times

Expert writing Tips

Best practice

Use "in different days" to highlight variations or changes that occur depending on the day of the week or time of year.

Common error

While both phrases are acceptable, "on different days" is often preferred for its slightly more formal and precise tone. Use "in different days" when the context emphasizes the experience or situation occurring during those days, or on different days when simply referring to the date.

Linguistic Context

The phrase "in different days" functions primarily as an adverbial phrase, modifying verbs by specifying when an action takes place. It indicates that an event or action occurred on multiple, non-specific days. As Ludwig AI indicates, the phrase is correct and appropriate for general use.

Expression frequency: Very common

Frequent in

Science

76%

News & Media

11%

Formal & Business

2%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "in different days" is a grammatically sound and frequently employed adverbial phrase. It serves to specify that events or actions take place across multiple, non-consecutive days. As Ludwig AI explains, it's a correct and valid phrase. Usage ranges from scientific reports to news articles, but as seen in the examples, it's especially prevalent in scientific and academic writing, where precise timing and experimental conditions are crucial. While perfectly acceptable, consider more formal alternatives like "on separate days" depending on your audience and context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

on separate days

Replaces "in different" with "on separate", maintaining the core meaning but with a slightly more formal tone.

on various days

Substitutes "different" with "various", emphasizing a selection from multiple days.

on distinct days

Replaces "different" with "distinct", highlighting the individuality of each day.

across multiple days

Shifts the focus to the span of time covering several days, rather than the difference between them.

on non-consecutive days

Explicitly states that the days are not following one after the other.

over a period of days

Similar to "across multiple days", emphasizing the duration.

at different times

Broadens the scope to include different times within any day, not just different days.

on other days

Simply indicates that it happened on days that weren't today.

on alternating days

Specifies that the days are occurring one after another, with a day in between.

throughout the week

Changes the scope to a weekly time frame, not focusing on individual days but the whole week.

FAQs

How can I use "in different days" in a sentence?

You can use "in different days" to indicate that something occurs across multiple, non-specific days. For example, "The experiment was conducted "in different days" to account for environmental variations."

What are some alternatives to "in different days"?

Some alternatives include "on separate days", "on various days", or "across multiple days" depending on the context.

Is it better to use "in different days" or "on different days"?

Both phrases are grammatically correct, but "on different days" might be preferred in formal writing. The best choice depends on the specific context and the nuance you want to convey.

What does "in different days" imply about the days in question?

It implies that the days being referenced are not necessarily consecutive and that there is some level of distinction between them, such as environmental factors or specific events that occurred "in different days".