Convert second to second (sidereal)
Please provide values below to convert second [s] to second (sidereal) [None], or Convert second (sidereal) to second.
1 s = 1.00273791069 None. To convert second to second (sidereal), multiply the value by 1.00273791069; to go the other way, divide by it (1 None = 0.997269565 s). Both units measure time and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 s = 1.00273791069 None
- 1 None = 0.997269565 s
- 10 s = 10.0273791069 None
- 100 s = 100.273791069 None
How to Convert Second to Second (Sidereal)
1 s = 1.00273791068717 None
Example: convert 15 s to None:
15 s = 15 × 1.00273791068717 None = 15.0410686603075 None
Second to Second (Sidereal) Conversion Table
| second | second (sidereal) |
|---|---|
| 1 s | 1.00273791069 None |
| 2 s | 2.00547582137 None |
| 3 s | 3.00821373206 None |
| 5 s | 5.01368955344 None |
| 10 s | 10.0273791069 None |
| 20 s | 20.0547582137 None |
| 50 s | 50.1368955344 None |
| 100 s | 100.273791069 None |
| 500 s | 501.368955344 None |
| 1000 s | 1002.73791069 None |
Second
The second (symbol: s) is the base unit of time in the International System of Units (SI), used to measure durations and intervals.
History/Origin
The second was originally defined as 1/86400 of a mean solar day. It was later redefined in 1967 based on atomic properties, specifically as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of the cesium-133 atom.
Current Use
The second is universally used in science, technology, and everyday life to quantify time intervals, synchronize clocks, and coordinate activities across various fields.
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 second in second (sidereal)?
1 second (s) = 1.00273791069 second (sidereal) (None).
How do you convert second to second (sidereal)?
Multiply the second value by 1.00273791069. For example, 25 s × 1.00273791069 = 25.0684477672 None.
What is 10 second in second (sidereal)?
10 s = 10.0273791069 None.
Which unit is larger, the second or the second (sidereal)?
The second is the larger unit: 1 s = 1.00273791069 None.