Time Duration Calculator

Hours and Minutes Calculator

The Hours and Minutes Calculator is a simple yet powerful tool that helps you calculate the number of hours and minutes between two times. Whether you’re tracking work shifts, calculating study hours, or just figuring out how long a task took, this calculator gives quick and accurate results. You can enter time in 12-hour or 24-hour formats, and even input durations directly in minutes. It’s ideal for professionals, students, and anyone who needs to manage time efficiently.

Time is commonly measured in hours, where 1 hour = 60 minutes, and 1 minute = 60 seconds. In a day, there are 24 hours, making it the base unit of daily time tracking. Most people use either the 12-hour clock or the 24-hour clock. The 12-hour clock uses AM (ante meridiem) for morning hours and PM (post meridiem) for afternoon and evening hours. For example, 12 AM is midnight and 12 PM is noon. On the other hand, the 24-hour clock runs from 00:00 (midnight) to 23:59 and is widely used in military, aviation, and global timekeeping to avoid confusion.

When managing long periods, understanding how many hours exist in different time frames is helpful. For instance, there are 168 hours in a week, over 8,700 hours in a year, and more than 876,000 hours in a century. These conversions are useful in various fields including business, science, and education.

Hours in Common Time Periods