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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
first thing tomorrow
Grammar usage guide and real-world examplesUSAGE SUMMARY
"first thing tomorrow" is correct and usable in written English.
You can use it whenever you need to refer to the very beginning of the day the following day. For example, "I will finish up my report first thing tomorrow."
✓ Grammatically correct
News & Media
Formal & Business
Science
Alternative expressions(20)
the left leg
on thursday
the following tonight
the next day
the very next morning
on next day
on the morning of the following day
on wednesday at noon
the following Monday
early tomorrow
on yesterday afternoon
the following yesterday
on tomorrow night
the following wednesday
on the following day
on the following idea
on the following basis
the following second
on the following week
early future
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
50 human-written examples
And buried first thing tomorrow morning".
News & Media
"Au contraire — I'm getting myself discharged A.M.A., first thing tomorrow".
News & Media
"Au contraire—I'm getting myself discharged A.M.A., first thing tomorrow".
News & Media
Andrew Sparrow will be with you first thing tomorrow.
News & Media
I can get you those files first thing tomorrow.
News & Media
I made a mental note to buy myself both those items first thing tomorrow.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
Bond's dreams were shattered the first thing yesterday morning.
News & Media
That Mr Profumo was going to make his personal statement became known at Westminster first thing yesterday morning.
News & Media
10.56am BST "I will forgive Cook many of his failings", posits the magnanimous Ravi Nair, "if he makes up for not playing Ali first thing yesterday, by not playing him first thing today either.
News & Media
That's what popped up on the home page of my online service first thing yesterday morning: "Amazin' disgrace".
News & Media
"The upsetting part is this is not the first thing this year," said John Terzis, who was waiting for a train at the Stamford station on Thursday morning.
News & Media
Expert writing Tips
Best practice
Use "first thing tomorrow" when you want to emphasize that an action will be among the initial tasks completed the following day. This phrase is particularly effective in setting clear expectations and deadlines.
Common error
While "first thing tomorrow" is useful, avoid overusing it. In some contexts, simply specifying a time (e.g., "8 AM tomorrow") or saying "early tomorrow" can sound more natural and less repetitive.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "first thing tomorrow" functions as an adverbial phrase, modifying a verb to specify when an action will occur. As Ludwig AI confirms, it denotes the very beginning of the next day.
Frequent in
News & Media
60%
Formal & Business
20%
Science
10%
Less common in
Wiki
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "first thing tomorrow" is a grammatically correct and widely understood adverbial phrase used to indicate that an action will occur promptly at the start of the following day. Ludwig AI confirms its usability in written English. Although the phrase is generally acceptable in various contexts, including news, business, and even scientific writing, it's crucial to avoid overuse. Alternatives such as "early tomorrow" or specifying a time might be more appropriate in certain situations. The phrase conveys urgency and sets a clear expectation, making it valuable for effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
right when the day begins tomorrow
Directly states the beginning of the day.
bright and early tomorrow
Highlights the eagerness and early timing of the action.
at the crack of dawn tomorrow
Emphasizes the very early start to the day.
early in the morning tomorrow
A general, less precise alternative.
first light tomorrow
Focuses on the beginning of daylight as the starting point.
at the start of business tomorrow
More formal, suitable for professional settings.
at the opening of business tomorrow
Similar to the previous, highlighting the beginning of the workday.
at sunrise tomorrow
Refers to the specific time of sunrise.
as soon as day breaks tomorrow
A more poetic and descriptive alternative.
at the dawn of tomorrow
A slightly more formal and literary alternative.
FAQs
How can I use "first thing tomorrow" in a sentence?
You can use "first thing tomorrow" to indicate that something will be done at the beginning of the next day. For example, "I'll call you "first thing tomorrow" to discuss the details".
What's a more formal alternative to "first thing tomorrow"?
A more formal alternative could be "at the start of business tomorrow" or "at the opening of business tomorrow", which are suitable for professional settings.
Is there a difference between "first thing tomorrow" and "tomorrow morning"?
"First thing tomorrow" implies immediacy at the start of the day, whereas "tomorrow morning" is more general and doesn't necessarily indicate the very beginning of the day. Thus, "I'll address the issue "first thing tomorrow"" conveys more urgency than "I'll address the issue tomorrow morning".
What are some creative alternatives to "first thing tomorrow"?
Creative alternatives include phrases like "at the crack of dawn tomorrow" or "bright and early tomorrow", which add emphasis and imagery to the timing of the action.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested