by day's end

USAGE SUMMARY

"by day's end" is correct and usable in written English.
You can use it when referring to the end of a particular day. For example, "I'm hoping to finish my book report by day's end."

✓ Grammatically correct

News & Media

Formal & Business

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

By day's end, it was raining.

The New York Times

By day's end, the negotiations had collapsed.

The New York Times

There was no verdict by day's end.

The New York Times

Every man loaded a truck by day's end.

The New York Times

(By day's end, seven of his nominees were confirmed).

The New York Times

By day's end, turnout was reported to be 37percentt.

The New York Times

By day's end he had one of each.

The New York Times

The Israeli Army removed them by day's end.

The New York Times

By day's end, Mr. Marong had cleared $50.

The New York Times

By day's end, 14,000 people had viewed the video.

The New York Times

By day's end, the city had suspended the program.

The New York Times

Expert writing Tips

Best practice

Always include the possessive apostrophe in day's to indicate that the end belongs to the day.

Common error

A frequent error is writing by days end without the apostrophe. This is grammatically incorrect because the word day must be in the possessive form to modify end properly.

Linguistic Context

Grammatically, "by day's end" functions as a temporal prepositional phrase that acts as an adverbial. It modifies a verb or an entire clause to indicate a deadline or the point in time by which an action is completed. According to Ludwig AI, it is standard and correct English.

Expression frequency: Very common

Frequent in

News & Media

75%

Formal & Business

15%

Academia

10%

Less common in

Social Media

5%

Wiki

3%

Encyclopedias

2%

Ludwig's WRAP-UP

In conclusion, "by day's end" is an essential and highly effective phrase for any writer looking to specify a deadline or summarize the conclusion of daily events. Ludwig AI confirms its widespread usage and grammatical correctness, especially within prestigious journalistic circles. Whether you are describing the results of a political election or setting a deadline for a business project, this phrase offers a professional and idiomatic way to mark time. Just remember to always include the possessive apostrophe to maintain the high standards seen in sources like The New York Times. It serves as a more concise alternative to "by the time the day is over" and carries more weight than simple temporal markers.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

by the end of the day

Uses a more standard article-based construction for the same meaning

at the close of the day

Slightly more poetic or formal tone using close as a noun

at day's end

Removes the preposition by to focus on the moment of conclusion

before day's end

Shifts the focus to the window of time remaining

before the day is out

An idiomatic expression emphasizing that the day has not yet finished

by the conclusion of the day

Uses more formal vocabulary suitable for academic or legal writing

by nightfall

Specifies a more precise natural time rather than a general deadline

as the day draws to a close

A more descriptive and narrative way to express the same timeframe

by COB

Acronym for close of business, strictly used in corporate contexts

before sunset

Refers to the literal solar event rather than the calendar day

FAQs

How do I use "by day's end" in a sentence?

You can use "by day's end" to set a timeframe for an action, such as "The report must be on my desk "by day's end"." or "The situation had stabilized "by day's end"."

What is the difference between "by day's end" and "at the end of the day"?

While both refer to time, "at the end of the day" is often used as a figurative idiom meaning ultimately, whereas "by day's end" is almost always a literal reference to time.

Is "by day's end" formal enough for business emails?

Yes, it is perfectly acceptable in professional communication. If you want to be even more specific in a corporate setting, you might use "by close of business" instead.

Is it "by day's end" or "by days end"?

The correct form is "by day's end" with an apostrophe. Writing it as "by days end" is a punctuation error.