Looking on the internet deeply has found these results:

put this into my calendar is the most popular phrase on the web.

put this into my agenda 11 results on the web	put this into my calendar 120,500 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	I need to know the exact date because I usually put it in my calendar like every month. My assistant put it in my calendar for the week. Try to put this on the calendar for tomorrow, If you need to talk to me, you call my office, and we'll get you put on my calendar. Absolutely. I will put that in my calendar. My assistant will put it on my calendar. Not yet. Okay, just put it on my calendar, Okay, put it on my calendar but start thinking of a reason why I can't go.

put this into my agenda

11 results on the web

put this into my calendar

120,500 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

I need to know the exact date because I usually put it in my calendar like every month.
My assistant put it in my calendar for the week.
Try to put this on the calendar for tomorrow,
If you need to talk to me, you call my office, and we'll get you put on my calendar.
Absolutely. I will put that in my calendar.
My assistant will put it on my calendar.
Not yet. Okay, just put it on my calendar,
Okay, put it on my calendar but start thinking of a reason why I can't go.