Convert hour (sidereal) to second (sidereal)
Please provide values below to convert hour (sidereal) [None] to second (sidereal) [None], or Convert second (sidereal) to hour (sidereal).
1 None = 3599.99999599 None. To convert hour (sidereal) to second (sidereal), multiply the value by 3599.99999599; to go the other way, divide by it (1 None = 0.000277777778087 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 = 3599.99999599 None
- 1 None = 0.000277777778087 None
- 10 None = 35999.9999599 None
- 100 None = 359999.999599 None
How to Convert Hour (Sidereal) to Second (Sidereal)
1 None = 3599.99999598905 None
Example: convert 15 None to None:
15 None = 15 × 3599.99999598905 None = 53999.9999398357 None
Hour (Sidereal) to Second (Sidereal) Conversion Table
| hour (sidereal) | second (sidereal) |
|---|---|
| 1 None | 3599.99999599 None |
| 2 None | 7199.99999198 None |
| 3 None | 10799.999988 None |
| 5 None | 17999.9999799 None |
| 10 None | 35999.9999599 None |
| 20 None | 71999.9999198 None |
| 50 None | 179999.999799 None |
| 100 None | 359999.999599 None |
| 500 None | 1799999.99799 None |
| 1000 None | 3599999.99599 None |
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.
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.
Frequently Asked Questions
What is 1 hour (sidereal) in second (sidereal)?
1 hour (sidereal) (None) = 3599.99999599 second (sidereal) (None).
How do you convert hour (sidereal) to second (sidereal)?
Multiply the hour (sidereal) value by 3599.99999599. For example, 25 None × 3599.99999599 = 89999.9998997 None.
What is 10 hour (sidereal) in second (sidereal)?
10 None = 35999.9999599 None.
Which unit is larger, the hour (sidereal) or the second (sidereal)?
The hour (sidereal) is the larger unit: 1 None = 3599.99999599 None.