Convert year (tropical) to year (sidereal)
Please provide values below to convert year (tropical) [None] to year (sidereal) [None], or Convert year (sidereal) to year (tropical).
How to Convert Year (Tropical) to Year (Sidereal)
1 None = 0.999961196711172 None
Example: convert 15 None to None:
15 None = 15 × 0.999961196711172 None = 14.9994179506676 None
Year (Tropical) to Year (Sidereal) Conversion Table
| year (tropical) | year (sidereal) |
|---|
Year (Tropical)
A year (tropical) is the period of approximately 365.24 days, representing one cycle of the Earth's seasons based on the vernal equinox.
History/Origin
The tropical year has been used since ancient times to track seasons and calendar systems, with the Gregorian calendar refining the measurement to align with the Earth's orbit around the Sun.
Current Use
The tropical year is used as the basis for the Gregorian calendar, which is the most widely adopted civil calendar worldwide, to organize years and seasons.
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.