on day one vs in day one

The correct phrase is 'on day one.' 'On day one' is the appropriate preposition to use when referring to a specific day in a sequence. 'In day one' is not a common or correct phrase in English.

Last updated: March 30, 2024 • 1813 views

on day one

This phrase is correct and commonly used in English.

Use 'on day one' when referring to a specific day in a sequence, such as the first day of an event or project.

Examples:

On day one of the conference, all attendees received a welcome package.
We need to finalize the budget on day one of the project.
On day one of the trip, we visited the famous landmarks in the city.
The new employee impressed everyone on day one of her job.
On day one of the competition, the team set a new record.

Show examples from the web [+]

A child's adjustment starts on day one, especially for trauma victims.
So on day one, we knew we had good apples.
on day one, possibly repeated once within three days
ECALTA is given as an initial dose of 200 mg on day one, followed by 100 mg each day from day two.
I'm not settling into traditional gender roles on day one of my marriage.
Why didn't I just kidnap you on day one?
Sure, they have lectures and hospital rotations too, but community-based learning starts on day one.
And so we're starting on day one.
A simple puzzle I solved on day one.
A $3 million bust on day one.
Let's not blow it on day one.
We learn that on day one.
Just shove a joystick in their clammy mitts on day one.
Docetaxel was administered as a 1-hour infusion, all other medicinal products were given as intravenous bolus on day one.
The cops decided on day one that it must have been me.
Me and Ben mapped the dome on day one.
Brick was on day one of the most dreaded week of his year.
You know, I spend eight months reeling her in, and you're prepared to burn her on day one.
You better hope your people did their job, or our case is sunk on day one.
That should be good enough to put her in first place on day one.

in day one

This phrase is not correct in English usage.

Show examples from the web [+]

The jobless recovery chart buried in Day One, Job One, pick-a-bale-of-cotton, seems to imply that the Obama recovery took place in 2007 when Obama wasn't president.
I still don't need to rub it in her face day one in the triple dorm room.
We want Parliament to be genuinely involved from day one in the implementation of this agreement.
It is unacceptable that every day one in five women in Europe suffers violence.
He was in your corner from day one.
We've infiltrated and maneuvered all the players in this experiment since day one.
We learned that in marshal academy day one!
In the coming days one needs to start devise actions to rehabilitate basic services that allow people to survive.
He slaughtered 20,000 in one day.
Day one in the Browning house. It's moving in day Been going at it since pretty early this morning.
We've lost two commanders in chief in one day.
Take your seats, for day one in the Big Brother house.
Zoila has had it in for me from day one.
"She had a tornado-like quality in our lives from day one".
That should be good enough to put her in first place on day one.
Way we heard it, you had it in for Laura from day one.
Finley has been a thorn in his side since day one, but if he'd wanted him dead, he'd have done it by now.
In fact, I've been in town since day one, And I've left you alone.
In one day and one night?
You do it every day in one direction.

What Our Customers Are Saying

Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9).

"Thank you!"
Sachi Nakama July 2024
"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024
"Faster than AI"
CYNTHIA December 2023
"This was very helpful and I personally think this site is the best."
Kaden October 2023
"It was extremely thorough and very helpful!"
imperialelisa October 2023
"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023
"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023
"Without textranch I would be stuck!"
宏祐 October 2023
"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023
"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023
"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023
"you guys are better than grammarly i'm being honest here"
ordinary July 2023
"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023
"Very fast and accurate. thank you."
mojtaba July 2023
"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023
"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023
"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023
"this helps A LOT for my studies."
kathnunez02 June 2023
"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023
"Real Time Editor and not AI. Many Thanks."
Priya June 2023
"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023
"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023
"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023
"This is the best app that I have ever seen"
Burulai May 2023

on day one vs in day one

on day one

in day one

Related Comparisons

What Our Customers Are Saying