Convert day (sidereal) to octennial
Please provide values below to convert day (sidereal) [None] to octennial [None], or Convert octennial to day (sidereal).
How to Convert Day (Sidereal) to Octennial
1 None = 0.000341296908272492 None
Example: convert 15 None to None:
15 None = 15 × 0.000341296908272492 None = 0.00511945362408738 None
Day (Sidereal) to Octennial Conversion Table
| day (sidereal) | octennial |
|---|
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.
Octennial
An octennial is a period of eight years.
History/Origin
The term 'octennial' has been used historically in various contexts to denote an eight-year interval, originating from Latin roots 'octo' meaning eight and 'annus' meaning year.
Current Use
Today, 'octennial' is rarely used in everyday language but may appear in academic or historical references to denote an eight-year span.