Convert year (tropical) to day (sidereal)
Please provide values below to convert year (tropical) [None] to day (sidereal) [None], or Convert day (sidereal) to year (tropical).
How to Convert Year (Tropical) to Day (Sidereal)
1 None = 366.242189952669 None
Example: convert 15 None to None:
15 None = 15 × 366.242189952669 None = 5493.63284929004 None
Year (Tropical) to Day (Sidereal) Conversion Table
| year (tropical) | day (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.
Day (Sidereal)
A sidereal day is the time it takes for the Earth to complete one rotation relative to distant stars, approximately 23 hours, 56 minutes, and 4.1 seconds.
History/Origin
The concept of the sidereal day has been used in astronomy for centuries to measure Earth's rotation relative to fixed stars, differing slightly from the solar day used in everyday timekeeping.
Current Use
Sidereal days are primarily used in astronomy and celestial navigation to track the positions of stars and other celestial objects accurately.