This calculator allows you to convert from Second to Hour (sidereal) and in a reverse direction. To convert from Second to Hour (sidereal), enter the amount of Second into the first input and to convert from Hour (sidereal) to Second, enter the amount of Hour (sidereal) into the second input.
1000 Second = 0.27853830986899 Hour (sidereal)
Second to Minute | Second to Hour | Second to Week | Second to Month | Second to Year |1000 Second equal 0.27853830986899 Hour (sidereal).
Every 1 Second = 0.00027853830986899 Hour (sidereal) and so, 1000 Second = 1000 multiplied by 0.00027853830986899 = 0.27853830986899 Hour (sidereal).
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:
| 990 Second = 0.2757529267703 Hour (sidereal) |
| 991 Second = 0.27603146508017 Hour (sidereal) |
| 992 Second = 0.27631000339004 Hour (sidereal) |
| 993 Second = 0.27658854169991 Hour (sidereal) |
| 994 Second = 0.27686708000978 Hour (sidereal) |
| 995 Second = 0.27714561831965 Hour (sidereal) |
| 996 Second = 0.27742415662952 Hour (sidereal) |
| 997 Second = 0.27770269493939 Hour (sidereal) |
| 998 Second = 0.27798123324926 Hour (sidereal) |
| 999 Second = 0.27825977155913 Hour (sidereal) |
| 1000 Second = 0.27853830986899 Hour (sidereal) |
| 1001 Second = 0.27881684817886 Hour (sidereal) |
| 1002 Second = 0.27909538648873 Hour (sidereal) |
| 1003 Second = 0.2793739247986 Hour (sidereal) |
| 1004 Second = 0.27965246310847 Hour (sidereal) |
| 1005 Second = 0.27993100141834 Hour (sidereal) |
| 1006 Second = 0.28020953972821 Hour (sidereal) |
| 1007 Second = 0.28048807803808 Hour (sidereal) |
| 1008 Second = 0.28076661634795 Hour (sidereal) |
| 1009 Second = 0.28104515465782 Hour (sidereal) |
| 1010 Second = 0.28132369296768 Hour (sidereal) |
