Convert year to year (sidereal)
Please provide values below to convert year [y] to year (sidereal) [None], or Convert year (sidereal) to year.
How to Convert Year to Year (Sidereal)
1 y = 0.999982579460324 None
Example: convert 15 y to None:
15 y = 15 × 0.999982579460324 None = 14.9997386919049 None
Year to Year (Sidereal) Conversion Table
| year | year (sidereal) |
|---|
Year
A year is the period of time it takes for the Earth to complete one orbit around the Sun, approximately 365.25 days.
History/Origin
The concept of a year has been used since ancient times, with various civilizations developing calendars based on lunar and solar cycles. The Gregorian calendar, introduced in 1582, standardized the length of the year as 365 days with a leap year every four years to account for the extra quarter day.
Current Use
The year is widely used as a basic unit of time measurement for calendars, planning, and record-keeping worldwide, with the Gregorian calendar being the most common system in use today.
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.