These calculators computes value of angular size or linear size or distance from the other two's
Calculation of azimuth and solar elevation angle by given the coordinates and time of observation. It's possible to input coordinates manually or by selecting from the directory of cities.
Calculation of Julian day for given date plus some information about it
This online calculator is intended for sunrise and sunset time calculation for given place and date. The calculator algorithm is obtained from the great book of Oliver Montenbruck and Thomas Pfleger "Astronomy on the Personal Computer".
Gives a vertical object shadow length for given coordinates and time. Also calculates shadow growth during whole day.
Calculation of azimuth and elevation of the sun above the horizon for a given position and time. Table with one hour increments.
Sunrise/Sunset calculation for given latitude and longitude or for given city. Source: Almanac for Computers, 1990 published by Nautical Almanac Office United States Naval Observatory Washington, DC 20392