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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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in early day

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "in early day" is not correct in standard written English.
The correct expression is "in the early days." Example: "In the early days of the internet, many people were still learning how to navigate online."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

We compared responses to drug versus a palatable treat during their normal sleep times in early day (zeitgeber time (ZT) 0400) or late day (ZT 1000).

The London stock market was ahead in early day trading on Tuesday.

News & Media

BBC

Greaves says the most striking reduction in ALL is for children who spend time in early day care.

Science & Research

Science Magazine

Network analysis identified in miR-34a and miR-26b the two main regulators in early (day 0 and day 7) or in late (day 14) phases of differentiation.

In early (day 3.5) CD144 positive cells we observed that the increased expression of genes involved in regulating endothelial function such as Tie1 and the endothelin receptor B, compared to genes expressed in VEGF-R2 positive hemangioblast cells (day 2.5).

We used an established mouse model of maternal immune activation (MIA) by the viral mimic PolyI C administered in early (day 9) or late (day 17) gestation.

Science

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

In "Early Sunday Morning" (1930) we look out rather than in, but the piercing loneliness is just as palpable.

Stocks are lower in early-Thursday trading amid fresh concerns that China's economy is faltering.

News & Media

Forbes

So, for instance, the television commercials run only in early day parts.

News & Media

The New York Times

Matthew Underwood was arrested in Florida early Wednesday morning.

News & Media

Huffington Post

In an early Friday morning news conference, Missouri Highway Patrol Capt.

News & Media

Los Angeles Times
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Expert writing Tips

Best practice

When referring to the beginning of a period, use the phrase "in the early days" instead of "in early day". For example, "In the early days of the project, we faced many challenges."

Common error

Do not use the phrase "in early day" as it is not grammatically correct. Opt for "in the early days" or other suitable alternatives to maintain clarity and accuracy in your writing.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "in early day" functions as an adverbial phrase attempting to specify a time period. However, it is grammatically incorrect. Ludwig indicates that this phrasing is not standard in English writing.

Expression frequency: Rare

Frequent in

Science

40%

News & Media

60%

Formal & Business

0%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "in early day" is generally considered grammatically incorrect in standard English. As Ludwig indicates, the proper phrasing is "in the early days". While some examples of the phrase's usage exist, these are exceptions rather than the rule. The phrase attempts to indicate a timeframe—the beginning of a period—but fails to do so effectively due to its non-standard structure. The correct alternative, "in the early days", is more appropriate for both formal and informal contexts.

FAQs

What's the correct way to say "in early day"?

The correct phrase is "in the early days". The original phrasing, "in early day", is not grammatically sound.

Are there synonyms for "in the early days"?

Yes, you can use phrases such as "at the beginning", "initially", or "in the initial stage", depending on the context.

Is "in early day" ever acceptable?

No, "in early day" is generally considered grammatically incorrect. It is better to use "in the early days" or a similar phrase.

How does "in the early days" differ from "in the early morning"?

"In the early days" refers to the beginning of a period, while "in the early morning" refers to the initial hours of the day. They describe different time frames.

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Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: