|
|
 GeoAstro Applets |
 Astronomy |
 Chaos Game |
 Java |
 Miscel- laneous |
 Physics Quiz |
 Who is Who ? |
Cylinder or Pillar Sundial (2)
|
The hour lines have been corrected for both longitude and the equation of time. The sundial indicates clock time: blue lines before noon, red lines after noon. The green line (lowest) is the transit time (local noon). |
More sundial applets...
  |
You
may
use
the
keys s, h, d,
w,
m
to increase the minute,
hour, date, week, or month, |
 |
The
length
L
of
the
gnomon must be equal to the distance of the horizontal
lines for 45° and 0° 
|
 |
Choose view
options. |
|
Reading
the
time: |
|
|
The date lines:  |
 |
 |
|
|
|
|
The Sundial Primer: Cylinder Sundial |
