# Hour to Year Converter

## Hour

What is the hour?

The hour is a unit of time. It can be symbolized as hr. It equals 1/24 of a day. It also can be defined as 3600 seconds or 60 minutes.

Time can be measured according to two schemes:

- 24-hour time scheme which starts and ends at midnight.
- Two 12-hr segments per mean solar day ( A.M and P.M).

The first scheme is the most common scheme that is used by engineers and astronomers

## Year

What is a year?

The year is an important unit of time. It is the time it takes the earth to complete one cycle around the sun. Approximately the earth needs 365.24 days to make its complete cycle.

You may have noticed that each 4 years we have an extra day in February…why?

Simply, calendars fix the year at 365 days. The 4 missing quarters of days are added together to make one day each 4 years.