in /of

[English4everyone]

Which is correct?
1 the hottest day of the year
2 the hottest day in the year
3 the hottest day of the year so far
4 the hottest day in the year so far
Thank you

[bhaisahab]

Which is correct?
1 the hottest day of the year
2 the hottest day in the year
3 the hottest day of the year so far
4 the hottest day in the year so far
Thank you

The usual preposition is "of".

[English4everyone]

The usual preposition is "of".

So, (in) is not wrong. It is just better to use (of) gramatically. Am I right?

[bhaisahab]

So, (in) is not wrong. It is just better to use (of) gramatically. Am I right?

Yes, you are right. It's not wrong grammatically, it's just that we tend not to say it like that.