day (sidereal) to second
Please provide values below to convert day (sidereal) to second [s], or change ↔.
day (sidereal)
Definition: A sidereal day is the time it takes for the Earth to complete one rotation relative to the stars, approximately 23.9345 hours.
Historyandorigin: It is based on the Earth's rotation.
CurrentUse: It is used in astronomy.
funfact: One sidereal day is approximately 23.9345 hours.
second [s]
Definition: The second is the base unit of time in the International System of Units (SI). It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom.
Historyandorigin: It was originally defined as 1/86,400 of a mean solar day.
CurrentUse: It is widely used in scientific and everyday contexts around the world.
funfact: The second is the base unit of time in the SI system.
day (sidereal) to second [s] Conversion Table
| 1 day (sidereal) | 86164.09 second [s] |
| 2 day (sidereal) | 172328.18 second [s] |
| 3 day (sidereal) | 258492.27 second [s] |
| 5 day (sidereal) | 430820.45 second [s] |
| 10 day (sidereal) | 861640.9 second [s] |
| 50 day (sidereal) | 4308204.5 second [s] |
| 100 day (sidereal) | 8616409 second [s] |
| 1000 day (sidereal) | 86164090 second [s] |
| 10000 day (sidereal) | 861640900 second [s] |
| 100000 day (sidereal) | 8616409000 second [s] |
| 1000000 day (sidereal) | 86164090000 second [s] |
How to Convert day (sidereal) to second
1 day (sidereal) = 86164.09 second [s]
1 second [s] = 0.0000116058 day (sidereal)
we use cross multiplication method
day (sidereal) → second [s]
1 → 86164.09
1.5 → ?( suppose x)
=>1.5*86164.09=1*x
by simplifying
x=129246.135