The card will tell you that you should pay attention to certain things and what kind of a day will be today.
Tarot cartomancy's deal "Today's card" should be performed during morning, during the beginning of day.
Current deal can be connected with a forthcoming day, it will inform about the basis, its development and about a certain moment.
A famous person who deals with Tarot cards - Anthony Lewis (and not only him) recommends to write down date of a card in a notebook. From time to time, view and create notes, this will help you to work with cards in the future.