How to use: Calculate time remaining until a specific future date and time for events, deadlines, and milestones. Enter Target Date (future date). Optionally enter Target Time for precise countdown including hours/minutes/seconds. Click "Calculate Countdown" to see time remaining. Results show: Time Remaining in days, hours, minutes, seconds format, Total Days, and Total Hours. Updates show exact time left until target. Common uses: event countdowns (wedding in 100 days), project deadlines, product launches, holiday countdowns, exam preparation time, vacation planning, retirement countdown, and milestone tracking. Motivational tool for goal setting and time management. Perfect for visualizing time until important dates.