To answer the question “what is 1/3 of an hour?”, we need to understand what an hour is and how fractions work.

An hour is a unit of time that is commonly used to measure the duration of events or activities. It is equal to 60 minutes or 3,600 seconds. The concept of an hour has been around for thousands of years, dating back to ancient civilizations such as the Babylonians and Egyptians.
Fractions are a way of expressing a part of a whole. They are written as a ratio of two numbers, with the top number (the numerator) representing the part and the bottom number (the denominator) representing the whole. For example, 1/2 represents one-half, which is one part out of two equal parts.
To find 1/3 of an hour, we need to divide an hour into three equal parts and then find one of those parts. Since an hour is equal to 60 minutes, we can divide 60 by 3 to get 20. Therefore, 1/3 of an hour is equal to 20 minutes.
To illustrate this, imagine that you have a meeting that is scheduled to last for 1 hour. If you need to leave early and want to know what time to leave, you can calculate 1/3 of an hour to find out when 20 minutes have passed. For example, if the meeting starts at 2:00 PM, 1/3 of an hour would be 2:20 PM.
In conclusion, 1/3 of an hour is equal to 20 minutes. This is a useful concept to understand when working with time-based measurements, such as scheduling events or calculating durations.