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.
20000 Second = 5.5707661973799 Hour (sidereal)
Second to Minute | Second to Hour | Second to Week | Second to Month | Second to Year |20000 Second equal 5.5707661973799 Hour (sidereal).
Every 1 Second = 0.00027853830986899 Hour (sidereal) and so, 20000 Second = 20000 multiplied by 0.00027853830986899 = 5.5707661973799 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:
| 19990 Second = 5.5679808142812 Hour (sidereal) |
| 19991 Second = 5.5682593525911 Hour (sidereal) |
| 19992 Second = 5.5685378909009 Hour (sidereal) |
| 19993 Second = 5.5688164292108 Hour (sidereal) |
| 19994 Second = 5.5690949675207 Hour (sidereal) |
| 19995 Second = 5.5693735058305 Hour (sidereal) |
| 19996 Second = 5.5696520441404 Hour (sidereal) |
| 19997 Second = 5.5699305824503 Hour (sidereal) |
| 19998 Second = 5.5702091207601 Hour (sidereal) |
| 19999 Second = 5.57048765907 Hour (sidereal) |
| 20000 Second = 5.5707661973799 Hour (sidereal) |
| 20001 Second = 5.5710447356898 Hour (sidereal) |
| 20002 Second = 5.5713232739996 Hour (sidereal) |
| 20003 Second = 5.5716018123095 Hour (sidereal) |
| 20004 Second = 5.5718803506194 Hour (sidereal) |
| 20005 Second = 5.5721588889292 Hour (sidereal) |
| 20006 Second = 5.5724374272391 Hour (sidereal) |
| 20007 Second = 5.572715965549 Hour (sidereal) |
| 20008 Second = 5.5729945038588 Hour (sidereal) |
| 20009 Second = 5.5732730421687 Hour (sidereal) |
| 20010 Second = 5.5735515804786 Hour (sidereal) |
