how do I make a "Bottom Border" (excel wording) to separate days? Thank you!!

searching for how to make borders like in excel.

Menu → Format | Cells | Borders and choose your options. Or better, create a cell style with the required borders and other styling, and apply it to the required cells.

If this answer helped you, please accept it by clicking the check mark :heavy_check_mark: to the left and, karma permitting, upvote it. That will help other people with the same question.

In case you need clarification, edit your question (not an answer) or comment the relevant answer.