The Time Calculator is a smart online tool that allows you to quickly add or subtract hours and minutes from any given time. Whether you need to calculate work schedules, study hours, travel durations, or adjust time zones, this calculator makes it simple and accurate. Just enter a base time, choose the operation (add or subtract), and enter the hours and minutes you want to adjust. The result is displayed instantly in an easy-to-read format, even if the calculation crosses midnight. This user-friendly, mobile-friendly tool is perfect for professionals, students, and anyone who needs reliable time management.