Convert second (sidereal) to hour (sidereal)
Please provide values below to convert second (sidereal) [None] to hour (sidereal) [None], or Convert hour (sidereal) to second (sidereal).
1 None = 0.000277777778087 None. To convert second (sidereal) to hour (sidereal), multiply the value by 0.000277777778087; to go the other way, divide by it (1 None = 3599.99999599 None). Both units measure time and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 None = 0.000277777778087 None
- 1 None = 3599.99999599 None
- 10 None = 0.00277777778087 None
- 100 None = 0.0277777778087 None
How to Convert Second (Sidereal) to Hour (Sidereal)
1 None = 0.000277777778087265 None
Example: convert 15 None to None:
15 None = 15 × 0.000277777778087265 None = 0.00416666667130897 None
Second (Sidereal) to Hour (Sidereal) Conversion Table
| second (sidereal) | hour (sidereal) |
|---|---|
| 1 None | 0.000277777778087 None |
| 2 None | 0.000555555556175 None |
| 3 None | 0.000833333334262 None |
| 5 None | 0.00138888889044 None |
| 10 None | 0.00277777778087 None |
| 20 None | 0.00555555556175 None |
| 50 None | 0.0138888889044 None |
| 100 None | 0.0277777778087 None |
| 500 None | 0.138888889044 None |
| 1000 None | 0.277777778087 None |
Second (Sidereal)
A second (sidereal) is the time measurement based on Earth's rotation relative to distant stars, approximately 3 minutes shorter than the solar second, used in astronomy.
History/Origin
The sidereal second has origins in astronomical observations of Earth's rotation relative to distant celestial objects. It was established to provide a precise time standard for celestial measurements, differing from the solar second used in everyday timekeeping.
Current Use
The sidereal second is primarily used in astronomy and astrophysics for precise time measurements related to celestial events, star tracking, and satellite navigation systems.
Hour (Sidereal)
An hour (sidereal) is a unit of time based on the Earth's rotation relative to distant stars, equal to approximately 3,894 seconds, used primarily in astronomy.
History/Origin
The sidereal hour originated from the ancient division of the day based on Earth's rotation relative to the stars, differing from the solar hour by about 4 minutes, and has been used historically in astronomy for precise timekeeping.
Current Use
Sidereal hours are mainly used in astronomy and astrophysics to measure celestial events and the Earth's rotation relative to distant celestial objects, rather than in everyday timekeeping.
Frequently Asked Questions
What is 1 second (sidereal) in hour (sidereal)?
1 second (sidereal) (None) = 0.000277777778087 hour (sidereal) (None).
How do you convert second (sidereal) to hour (sidereal)?
Multiply the second (sidereal) value by 0.000277777778087. For example, 25 None × 0.000277777778087 = 0.00694444445218 None.
What is 10 second (sidereal) in hour (sidereal)?
10 None = 0.00277777778087 None.
Which unit is larger, the second (sidereal) or the hour (sidereal)?
The hour (sidereal) is the larger unit: 1 None equals only 0.000277777778087 None.