How do I import sports event schedules to Outlook Calendar from Excel?

I managed to get it to work with one exception. The Reminder Time. I want to be reminded of the event two days in advance. This is a manual setting that I can set when putting in one event. What is the syntax or format that would go in the cell for “2 Days”? Or could I leave that cell blank and set the Reminder Time Default for “2 Days” As it is, it leaves me with 15 minutes and I would have to manually set each one to 2 Days. There are almost 200 items. The Reminder Time Default in the Calendar Settings is currently set for 2 Days.