on both day

USAGE SUMMARY

The phrase "on both day" is grammatically correct and can be used in written English.
Example: "We had a picnic on both days of our vacation - it was a beautiful way to spend our time off."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

44 human-written examples

Antisense treatment attenuated the histologic changes on both day 14 and day 28.

The American Journal of the Medical Sciences

The lowest nasal wash titers on both day 1 and day 3 post-infection were found in the LAIV IIV vaccinated groups with virus titer reductions of up to 3 logs as compared to naive animals.

Nature

Four markers that showed a significant dose effect on both day 1 and day 3 are visualized showing the individual data points for different animals along with a quadratic fit and the corresponding confidence region.

EJNMMI Research

The Longwave Infrared Camera (LIR), which is one of the five cameras onboard Akatsuki, maps of brightness temperature of the Venus disk on both day and night hemispheres by detecting emissions at wavelengths from 8 to 12 μm (Fukuhara et al. 2011).

Earth, Planets and Space

OsteoSense680 was injected in additional studies on both day 7 and day 14.

Arthritis Research and Therapy

Rotigotine-treated patients were given infusions of placebo on both day 32 and day 39.

Drugs

Human-verified similar examples from authoritative sources

Similar Expressions

16 human-written examples

Low 80s on both Saturday and Sunday, with rain.

The New York Times

They are on both Saturday and Sunday afternoon.

Independent

The surgeon visited on both Saturday and Sunday.

The New York Times

Update: Trump played golf on both Saturday and Sunday this weekend.

The Washington Post

They did not like what they saw, and the Dow tumbled on both Monday and Tuesday.

The New York Times

Expert writing Tips

Best practice

When using "on both day" ensure that the context clearly defines the two days being referenced to avoid ambiguity.

Common error

Avoid using "on both day" when referring to multiple days. The correct form is "on both days".

Linguistic Context

The phrase "on both day" functions as a prepositional phrase, but note that it's grammatically incorrect and should be "on both days." Ludwig's analysis supports that the correct phrase is commonly used to specify when something occurred.

Expression frequency: Common

Frequent in

Science

67%

News & Media

27%

Formal & Business

6%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, while the query was for "on both day", it's crucial to remember the correct grammatical form is "on both days". This phrase is commonly used in various contexts, especially in scientific and news-related content, to indicate that something occurred across two distinct days. Ludwig's analysis validates that this phrase is grammatically correct and suitable for diverse writing styles. Ensure accurate usage by pluralizing "day" to avoid grammatical errors.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

on each of the two days

Replaces "both" with "each of the two" for emphasis on individual days.

during both days

Uses "during" to emphasize the period of time the days encompass.

throughout the two days

Emphasizes continuous action or presence across both days.

across both days

Similar to "spanning", but can suggest distribution or coverage.

spanning both days

Highlights that something extends across both days.

over both days

Indicates a period covering both days, with a sense of totality.

on the two separate days

Highlights the individual and distinct nature of the days.

for both of the days

Adds a bit more formality while referencing two specific days.

on either day

Indicates that something occurs on one or the other day, not necessarily both.

each day in question

More formal alternative implying two specific days are being discussed.

FAQs

How can I use "on both day" in a sentence?

The phrase "on both day" should be "on both days". For instance, "The study was conducted "on both days" of the weekend".

What's the difference between "on both day" and "on either day"?

"On both days" means something happened on each of the two days. "On either day" implies it happened on one or the other, but not necessarily both. Remember that "on both day" should always be "on both days".

What can I say instead of "on both days"?

Alternatives include "during both days", "spanning both days", or "throughout the two days", depending on the intended nuance.

Is it grammatically correct to say "on both day"?

No, it is not grammatically correct. The correct phrase is "on both days". The word "day" should be pluralized to reflect that there are two days being referred to.