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
in birthday
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in birthday" is not a correct phrase to use in a sentence.
The correct phrase would be "on my birthday" or "for my birthday." For example, "I received many gifts on my birthday" or "We are having a party for my birthday."
⚠ May contain grammatical issues
News & Media
Science
Books
Arts
Lifestyle
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
55 human-written examples
He said he took in birthday chocolates for detainee Ricardo Young but the authorities could not decide if he should be allowed them.
News & Media
She is not allowed to eat any meat or sugar, not even in birthday cake.
News & Media
Or – as happens in Birthday – for the mother also to be the father.
News & Media
As she takes in "Birthday," a bare-breasted self-portrait, her lapis-blue eyes sparkle anew.
News & Media
Many of the poems in Birthday Letters address the conundrum of Plath's other self.
News & Media
In Birthday, they appear surprised by their flight, rising towards the ceiling like two astonished bubbles of ecstasy.
News & Media
Mangan will star in Birthday by Joe Penhall, a new play about the early stages of parenthood.
News & Media
Not because of awkward affairs with stunning men, but because, in birthday terms, it was the one before the one.
News & Media
In addition, finally, there is Ted Hughes's own response (in Birthday Letters) to his dead wife's phoenix-like resurgence.
News & Media
Hughes, in "Birthday Letters," the book of poems about Plath he published in 1998, imagined the experience in "The Tender Place".
News & Media
But what stands out among the impeccable Surrealist credentials in "Birthday" is Tanning's face, which easily steals the attention from that creepy monkey creature.
News & Media
Expert writing Tips
Best practice
Always use "on my birthday" or "for my birthday" to ensure grammatical correctness. This avoids confusion and maintains clarity in your writing.
Common error
Avoid using "in birthday". This is grammatically incorrect. Use "on my birthday" when referring to the day itself or "for my birthday" when referring to gifts or celebrations.
Source & Trust
85%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in birthday" functions as a prepositional phrase, but its use is grammatically incorrect in standard English. Ludwig provides examples of its usage, but, according to Ludwig AI, these instances do not validate it as a correct phrase.
Frequent in
News & Media
45%
Science
20%
Books
10%
Less common in
Arts
10%
Lifestyle
10%
Formal & Business
5%
Ludwig's WRAP-UP
In summary, while the phrase "in birthday" appears in a variety of sources, including news and media, books, and even scientific articles, it is considered grammatically incorrect in standard English. As Ludwig AI points out, the correct prepositions to use are "on" (e.g., "on my birthday") or "for" (e.g., "for my birthday"). Despite its relatively high frequency of use, sticking to the grammatically correct alternatives will ensure clarity and precision in your writing. Therefore, while it exists in the wild, it should be avoided in favor of correct alternatives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on my birthday
Replaces the preposition "in" with "on" to indicate the specific day.
for my birthday
Uses "for" to denote something given or done as a gift or celebration.
during my birthday
Emphasizes actions happening throughout the duration of the birthday.
to celebrate my birthday
Highlights the intention of celebrating the birthday.
for a birthday
Indicates a generic birthday rather than a specific one.
on the occasion of my birthday
A more formal way to express "on my birthday".
in celebration of my birthday
Expresses that something is done to honor the birthday.
related to my birthday
Specifies a connection or relevance to the birthday.
concerning my birthday
Indicates something related or about the birthday.
regarding my birthday
Similar to 'concerning', it refers to something about the birthday.
FAQs
How do I properly use the phrase in relation to my birth date?
The correct way is to use "on my birthday" or "for my birthday" depending on the context. For example, "I received many gifts on my birthday" or "We are having a party for my birthday".
What are some alternatives "on my birthday"?
Depending on the context, you could use alternatives like "during my birthday" or "to celebrate my birthday".
Is it ever correct to use the phrase "in birthday"?
No, it is generally considered grammatically incorrect. The standard and accepted forms are "on my birthday" or "for my birthday".
What's the difference between using "on my birthday" and "for my birthday"?
"On my birthday" refers to something happening on the day itself, while "for my birthday" often refers to gifts, celebrations, or arrangements made in honor of the birthday.
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
85%
Authority and reliability
1.8/5
Expert rating
Real-world application tested