This calculator allows you to convert from Day (sidereal) to Second and in a reverse direction. To convert from Day (sidereal) to Second, enter the amount of Day (sidereal) into the first input and to convert from Second to Day (sidereal), enter the amount of Second into the second input.
1 Day (sidereal) = 86164.09 Second
To convert Day (sidereal) to Second: Every 1 Day (sidereal) equals 86164.09 Second. For example, 100 Day (sidereal) equal 100 * 86164.09 = 8616409 Second and so on..
Day (sidereal) to Minute | Day (sidereal) to Hour | Day (sidereal) to Week | Day (sidereal) to Month | Day (sidereal) to Year |What is the second?
The second is an important unit of time. It is the main unit of time in the SI system of units. It can be defined as the time it takes an electromagnetic field to propagate through 3 x 10 5 km of vacuum.
One solar day has 86,400 seconds. There are 60 second per minute.
Second is not small and specific enough to be used by scientists and engineers so smaller units were derived such as:
