public class Time { public static void main(String[] args) { double hourStart = 16.0; double minuteStart = 20.0; double secondStart = 25.0; System.out.print("Seconds since midnight: " ); double secondsSinceMidnight = hourStart * 3600 + minuteStart * 60 + secondStart; System.out.println(secondsSinceMidnight); System.out.print("Seconds remaining in the day: "); double secondsRemainingInDay = 86400 - secondsSinceMidnight; System.out.println(secondsRemainingInDay); System.out.print("Percentage of the day that has passed: "); double percentageOfDayPassed = secondsSinceMidnight / 86400 * 100; System.out.println(percentageOfDayPassed); double hourEnd = 16.0; double minuteEnd = 50.0; double secondEnd = 11.0; System.out.print("Seconds elapsed since I started this exercise: "); double secondsSinceStart = (hourEnd * 3600 + minuteEnd * 60 + secondEnd) - secondsSinceMidnight; System.out.println(secondsSinceStart); } }