Sidereal Clock

Error Propagation Calculator <

This tool calculates the local sidereal time for a given longitude and shows the time running in real-time. Sidereal and solar times are shown in both local and Greenwich time.

See a demo here.

You may either use the tool from below or open it in an external window. You can share or bookmark your configuration by copying the link shown as 'permalink'.

Launch app in external window