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
By end of day tomorrow
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by end of day tomorrow" is a correct and usable phrase in written English
You can use this phrase when referring to the end of a particular day in the future, typically tomorrow. For example, "I need you to finish the report by end of day tomorrow."
✓ Grammatically correct
News & Media
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
1 human-written examples
If a vote is not held by end of day tomorrow — the deadline for lawmakers to pass any legislation until 2019 — it won't get the official green, or red, light until next year.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
This will be effective by end of day today.
News & Media
Everything should be all set by end of day today.
News & Media
If you want your logo on the tshirts (free to everyone), we need to get confirmation of sponsorship by end of day today.
News & Media
Deadline reports the deals need to be signed by end of day Tuesday, May 7 for CBS to renew the popular crime drama.
News & Media
Stock plummets another 24% by end of day to $2.80; May 5-8 , 2008 Stock continues to sink on successive days to $2.56 5thh) to $2.30 6thh) to $2.23 7thh) to $2.02 8thh); May 23 , 2008 Bank announces that Douglas French, executive vice president of commercial real estate lending, has resigned "for personal reasons".
News & Media
Post them in the comments below by the end of Tuesday 9 December and we'll pass the best to Ibrahim and post her answers on the site next week.
News & Media
Winning answers will be selected by the end of day, Monday, June 7, at which point general-admission ticket registration and the scramble for entrance will begin en masse… Good luck!
News & Media
"Very few people have actually voted and it's not possible for most of the registered voters to have voted by the end of the day tomorrow," he said tonight.
News & Media
[Economists may send signatures to naiman--at--justforeignpolicy.org, with subject line: sign economists letter. Include economics affiliation as indicated by the current signers. Deadline: end of day Friday August 15.].
News & Media
I need something in my hands by the end of the day tomorrow".
News & Media
Expert writing Tips
✓ Best practice
Use "by end of day tomorrow" to set clear deadlines, especially when requesting tasks or deliverables. This clarifies that the task needs completion before the next working day begins.
⚠ Common error
Avoid using "by end of day tomorrow" when flexibility exists. If the task can reasonably be completed the following morning, a more open-ended deadline prevents unnecessary pressure.
Linguistic Context
The phrase "by end of day tomorrow" functions as an adverbial phrase of time, specifying when something needs to be completed. It modifies a verb or clause by indicating a deadline.
Expression frequency: Common
✓ Frequent in
News & Media
65%
Formal & Business
15%
Encyclopedias
5%
⚠ Less common in
Science
5%
Reference
3%
Social Media
2%
Ludwig's WRAP-UP
In summary, "by end of day tomorrow" is a common and grammatically correct phrase used to indicate a deadline that falls at the end of the next day. According to Ludwig, the phrase is usable in written English. It is commonly used in news and media, as well as in business contexts. For more formal situations, alternatives like "before close of business tomorrow" may be more appropriate. The phrase is versatile, serving to set clear expectations for task completion, as demonstrated in multiple examples.
Alternative expressions
Phrases that express similar concepts, ordered by semantic similarity:
by the end of the business day tomorrow
Similar to "before close of business tomorrow", this emphasizes the end of the business day.
no later than tomorrow
This alternative emphasizes the latest possible time for completion.
before close of business tomorrow
This alternative is more formal, specifying a business context.
by tomorrow evening
This alternative is less precise, referring to the evening rather than the end of the working day.
tomorrow before midnight
This is a more emphatic way to specify the end of the day deadline
by 11:59 PM tomorrow
This alternative adds strong precision, setting a highly specific deadline.
More alternative expressions(2)
FAQs
What does "by end of day tomorrow" mean?
It means something needs to be completed before the close of the next working day. Essentially, the deadline is the very end of tomorrow.
How to use "by end of day tomorrow" in a sentence?
Example: "Please submit your reports "by end of day tomorrow" so we can review them first thing Wednesday morning."
What can I say instead of "by end of day tomorrow"?
You can use alternatives like "before close of business tomorrow", "no later than tomorrow", or "by tomorrow evening" depending on the context.
Is "by end of day tomorrow" formal or informal?
The phrase "by end of day tomorrow" is considered neutral and appropriate for both professional and informal communication. However, in more formal business context, "before close of business tomorrow" may be preferred.
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
4.6/5
Expert rating
Real-world application tested