Sundial for Malelane

large Malelane sundial

Note that the "squares" on the diagram must look square, ie one unit of length horizontally must equal one unit of length vertically.

The data used to create this sundial are listed below, if you want to make your own large "walk-on" sundial. The columns are:

The units for the X and Y distances are metres for a walk-on sundial.
Note that the time- and datelines should be drawn as smooth curves.

	Malelane
	        Time       Xtime       Ytime        date         Xan         Yan        Teqn       XTeqn
       05h00       2.187      -0.227       Jan01      -0.036       0.865      -15.00      -0.164
       05h30       2.237      -0.102       Jan15      -0.091       0.789      -10.00      -0.109
       06h00       2.249       0.024       Feb01      -0.134       0.634       -5.00      -0.055
       06h30       2.223       0.150       Feb15      -0.139       0.465        0.00       0.000
       07h00       2.158       0.274       Mar01      -0.122       0.279        5.00       0.055
       07h30       2.057       0.393       Mar15      -0.089       0.085       10.00       0.109
       08h00       1.920       0.505       Apr01      -0.039      -0.153       15.00       0.164
       08h30       1.750       0.609       Apr15      -0.001      -0.341                        
       09h00       1.551       0.702       May01       0.029      -0.540                        
       09h30       1.325       0.783       May15       0.036      -0.688                        
       10h00       1.076       0.851       Jun01       0.023      -0.819                        
       10h30       0.809       0.904       Jun15      -0.004      -0.874                        
       11h00       0.528       0.942       Jul01      -0.035      -0.868                        
       11h30       0.238       0.964       Jul15      -0.058      -0.805                        
       12h00      -0.056       0.969       Aug01      -0.060      -0.666                        
       12h30      -0.349       0.957       Aug15      -0.045      -0.504                        
       13h00      -0.637       0.929       Sep01       0.000      -0.303                        
       13h30      -0.913       0.886       Sep15       0.046      -0.117                        
       14h00      -1.173       0.827       Oct01       0.101       0.105                        
       14h30      -1.414       0.754       Oct15       0.139       0.295                        
       15h00      -1.630       0.668       Nov01       0.161       0.515                        
       15h30      -1.819       0.570       Nov15       0.152       0.672                        
       16h00      -1.976       0.463       Dec01       0.107       0.809                        
       16h30      -2.100       0.348       Dec15       0.050       0.872                        
       17h00      -2.187       0.227                  -0.036       0.865                        
       17h30      -2.237       0.102                                                            
       18h00      -2.249      -0.024                                                            
       18h30      -2.223      -0.150                                                            
       19h00      -2.158      -0.274                                                            



since 2002/04/30
www.hartrao.ac.za/other/sundial/sdlmal.html
Last updated 2002/04/30 by M Gaylard