Program Key Strokes into Bins by 15 minute segments

Develop a program that puts key strokes into individual bins. Must have ability for at least 24 bins. Each Bin must start at top of hour, quarter hour, half hour, 3/4 hour. Must be able to collect minimum of 12 time segments. Must create spreadsheet documenting data in bins. Spreadsheets must be emailable. Must be able to document peak 4 adjacent time periods.