Sidereal Clock is a tool that will allow you to know the sidereal time in any geographical location. The sidereal time indicates the straight ascent of the stars in your local meridian, in other words, the angle between the Greenwich meridian and the Vernal Equinox. This time comes in very handy when it comes to observing the heavenly bodies, because it allows you to know the exact position in which it will be possible to observe a star, for example.
The sidereal time anywhere around the world
This clock with automatically show you the sidereal time, and it will save you having to calculate it based on the normal or universal time. Sidereal Clock only requires that you provide it with the length and latitude values to be able to calculate the exact sidereal time. To make this location easier, you will be able to use an Earth globe, and by means of the right button mark the coordinates of the location that you want the sidereal time for. It also allows you to automatically detect the time zone that you are in.