on the first day vs in the first day

The correct phrase is 'on the first day.' This is the standard way to refer to the beginning of a period of time. 'In the first day' is not a common or correct construction in English.

Explained by Jennifer
Editor at TextRanch

Last updated: October 29, 2024 • 11566 views

on the first day

This phrase is correct and commonly used in English.

This phrase is used to refer to the beginning of a period of time, such as the start of an event or a series of events.

Examples:

On the first day of school, the students were excited.
On the first day of the conference, the keynote speaker will address the audience.

Show examples from the web [+]

And it was good on the first day.
That was Gus on the first day of kindergarten.
(1) A 750 mg loading dose is recommended on the first day of treatment with levetiracetam.
You said that on the first day too.
No one makes friends on the first day.
In prison, they would succeed on the first day.
No, not on the first day.
She goes to school on the first day.
There's no result on the first day.
You don't take questions on the first day.
You bought 10 copies on the first day.
More will follow on the first day of each and every month.
They tell you that on the first day.
I saw you on the first day.
I remember seeing him on the first day of college.
Closed it on the first day.
But on the first day, someone is murdered.
That's what I had to hear on the first day.
The battle that followed was interrupted on the first day by a rainstorm.
He died in Freiburg on the first day of 1966.

in the first day

This phrase is not correct in English. 'In the first day' is not a standard or commonly used expression.

Show examples from the web [+]

in the first day or on the first day. Thread starter VVIOLETA; Start date Jun 4, 2015.
Jan 14, 2021 ... Mortality prediction using a novel combination of biomarkers in the first day of sepsis in intensive care units. Sci Rep.
You can't say in the first day. You can either say, "On the first day", or nothing at all. They both sound fine. :).
Dynamic evolution of coagulopathy in the first day of severe sepsis: relationship with mortality and organ failure. Crit Care Med.
The aim was to assess myocardial contractility in infants born <30 wk gestation developing low systemic blood flow (SBF) in the first day, and the effect of ...
And LORD JEHOVAH spoke with Moshe in the wilderness of Sinai in the Time Tabernacle, in the first day, in the second month, in the second year when the ...
Mar 18, 2019 ... The former Texas congressman raised $6,136,763 in online donations from all 50 states in the first day, his campaign said.

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on the first day vs in the first day

on the first day

in the first day

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