If you prefer to view the applets offline, you can download them. Just unzip astro-applets.zip, and open astro-applets.html in your browser.
If you can't run this applet properly, please download the latest version of the Java Runtime Environment (JRE) at java.com.
This applet was made together with Tey Meng Khoon and Frederick H. Willeboordse of CITA (Centre for Information Technology and Applications) for the course Heavenly Mathematics & Cultural Astronomy.
This Java applet shows a simplified model of the tilt of the waxing or waning Moon in different parts of the world.