Convert hour to year (sidereal)
Please provide values below to convert hour [h] to year (sidereal) [None], or Convert year (sidereal) to hour.
How to Convert Hour to Year (Sidereal)
1 h = 0.000114075128845577 None
Example: convert 15 h to None:
15 h = 15 × 0.000114075128845577 None = 0.00171112693268365 None
Hour to Year (Sidereal) Conversion Table
| hour | year (sidereal) |
|---|
Hour
An hour is a unit of time equal to 60 minutes or 3,600 seconds.
History/Origin
The hour has origins in ancient civilizations, notably the Babylonians, who divided the day into 24 hours. The modern 24-hour system was standardized in the 14th century and became widely adopted with the advent of mechanical clocks.
Current Use
Hours are used globally to measure and schedule time in daily life, work, transportation, and various scientific and technical applications.
Year (Sidereal)
A sidereal year is the time it takes for the Earth to complete one orbit around the Sun relative to the fixed stars, approximately 365.25636 days.
History/Origin
The concept of the sidereal year has been used since ancient astronomy to measure Earth's orbital period relative to distant stars, predating the Gregorian calendar system.
Current Use
Sidereal years are used in astronomy to track Earth's position in its orbit relative to fixed stars, aiding in celestial coordinate calculations and star cataloging.