text from sd is displayed on lcd i2c

I need help with my project.
I have arduino uno, lcd 2x16 (or 4x20 If 2x16 be to small) with i2c converter and sd card reader.
I was thinking about RTC DS1302g but I'dont know.
Action plan:
On lcd will be displayed text from sd.
Text will change every day.
I wants to change the card every two months or less.
I saw a similar project but I can not find it.

Have a look here to see if you find something, then come back if you have specific problems.

I don't find answer for my question.
Please could you help me with it ?
Usually I use done projects or combine two in one.
This is first time when I use lcd