write in a diary vs write on a diary

Some examples from the web:

• You write a friend but you write in a diary -- inside the pages of the diary. And the expression is "every day," as in "every (single) day ...
• Do you write in a diary? Yes!!! Definitely! So those are all my diaries for the past 2 years (Sept 2017 to Aug 2019) . Those notebooks are filled with ...
• Jul 29, 2017 ... Is it weird for a guy to write in a diary/journal? Ok some basic info first. So im 14 and i like this girl right and i thought we were ...
• Do you write in a diary? Yes!!! Definitely! So those are all my diaries for the past 2 years (Sept 2017 to Aug 2019) . Those notebooks are filled with ...
• Jul 14, 2021 ... If you had a secret journal or notebook today, what would you include? To give you some inspo, here at 15 things to write in a diary, ...
• Writers: do you write in a diary/journal? May 18, 2015 May 17, 2015 / Li Charmaine Anne · Written in moleskine.JPG. Journals, diaries, notebooks, ideabooks, ...
• One big disadvantage is that you can't give too much blow-by-blow of events or you break the format. Yes, someone might write in a diary, "And then Bill ...
• Of course, this is a fanciful thing, as a Bible cannot actually write in a diary. But imagine it real quick. What if it documented how you treated it? If we ...
• Dec 30, 2022 ... When I write in a diary, I'm not trying to do anything, just reflecting on some aspect of my life or writing. It puts me at ease. The ...

Some examples from the web:

• Yes, since he's someone who writes a diary and keeps a record of office spending as well.
• To help you remember, it may be helpful to write in a diary which day(s) of the week Enbrel should be used.
• To help you remember, it may be helpful to write in a diary which day(s) of the week Enbrel should be used.
• To help you remember, it may be helpful to write in a diary which day(s) of the week Enbrel should be used.
• there is no postal service from here... but I shall write a diary, preserving all my thoughts and feelings for you.
• I am no longer going to write this diary for Claude.
• I write this diary to leave a record of my arrival.
• No, I think I'll write my diary a little longer.
• I won't know which day to write in my diary.
• He decided to write in his diary every day.
• He made up his mind to write in his diary every day.
• I shudder to think what you write in your little diary.
• Next time I write in this diary, Mother will be dead.
• Most nights, before going to sleep, I would write in my diary.
• Rita would go to her room, she'd write in her diaries...
• He made a resolution to write in his diary every day.
• Kruse: I told you, I write Metro Crime Diary.
• And that's what I'm going to write down in my diary.
• Whenever I get a good idea I write it in my diary.
• His shoulder he unburdens of his heavy coffer,... and, making a halt, writes in his diary:...