SOLMaestro
Astronomy Sun Dial
By
Dick Tobiason
Pictures of the sundial
created in Puerto Penasco
Link to photos http://solmaestro.tripod.com/sundial
|
Table
of Mean Value of the Equation of Time, in Minutes (at true Noon) |
|||||||||||||
|
Day |
JAN |
FEB |
MAR |
APR |
MAY |
JUN |
JUL |
AUG |
SEP |
OCT |
NOV |
DEC |
|
|
1 |
+3.4 |
+13.6 |
+12.5 |
+4.1 |
-2.8 |
-2.3 |
+3.6 |
+6.3 |
+0.2 |
-10.1 |
-16.3 |
-11.2 |
|
|
2 |
3.9 |
13.7 |
12.3 |
3.8 |
3.0 |
2.2 |
3.8 |
6.2 |
0.1 |
10.4 |
16.4 |
10.8 |
|
|
3 |
4.3 |
13.8 |
12.1 |
3.5 |
3.1 |
2.0 |
4.0 |
6.2 |
0.5 |
10.8 |
16.4 |
10.4 |
|
|
4 |
4.8 |
13.9 |
11.9 |
3.2 |
3.2 |
1.9 |
4.2 |
6.1 |
0.7 |
11.1 |
16.4 |
10.0 |
|
|
5 |
5.2 |
14.0 |
11.7 |
2.9 |
3.3 |
1.7 |
4.4 |
6.0 |
1.1 |
11.4 |
16.4 |
9.6 |
|
|
6 |
5.7 |
14.1 |
11.5 |
2.6 |
3.4 |
1.5 |
4.6 |
5.9 |
1.5 |
11.7 |
16.3 |
9.2 |
|
|
7 |
+6.1 |
+14.2 |
+11.2 |
+2.3 |
-3.4 |
-1.3 |
+4.7 |
+5.8 |
-1.8 |
-12.0 |
-16.3 |
-8.8 |
|
|
8 |
6.5 |
14.2 |
11.0 |
2.1 |
3.5 |
1.2 |
4.9 |
5.7 |
2.1 |
12.3 |
16.3 |
8.3 |
|
|
9 |
6.9 |
14.3 |
10.7 |
1.8 |
3.6 |
1.0 |
5.0 |
5.5 |
2.5 |
12.6 |
16.2 |
7.9 |
|
|
10 |
7.3 |
14.3 |
10.5 |
1.5 |
3.6 |
0.8 |
5.2 |
5.4 |
2.8 |
12.8 |
16.1 |
7.5 |
|
|
Day |
JAN |
FEB |
MAR |
APR |
MAY |
JUN |
JUL |
AUG |
SEP |
OCT |
NOV |
DEC |
|
|
11 |
7.8 |
14.3 |
10.2 |
1.2 |
3.7 |
0.6 |
5.3 |
5.2 |
3.2 |
13.1 |
16.0 |
7.0 |
|
|
12 |
8.2 |
14.3 |
10.0 |
0.9 |
3.7 |
0.4 |
5.4 |
5.1 |
3.5 |
13.4 |
15.9 |
6.5 |
|
|
13 |
+8.5 |
+14.3 |
+9.7 |
+0.7 |
-3.7 |
-0.2 |
+5.6 |
+4.9 |
-3.9 |
-13.6 |
-15.8 |
-6.1 |
|
|
14 |
8.9 |
14.3 |
9.4 |
0.4 |
3.7 |
0.0 |
5.7 |
4.7 |
4.2 |
13.8 |
15.6 |
5.6 |
|
|
15 |
9.3 |
14.2 |
9.1 |
+0.2 |
3.7 |
+0.2 |
5.8 |
4.5 |
4.6 |
14.1 |
15.5 |
5.1 |
|
|
16 |
9.6 |
14.2 |
8.9 |
-0.1 |
3.7 |
0.4 |
5.9 |
4.3 |
5.0 |
14.3 |
15.3 |
4.6 |
|
|
17 |
9.9 |
14.1 |
8.6 |
0.2 |
3.7 |
0.7 |
6.0 |
4.1 |
5.3 |
14.5 |
15.1 |
4.1 |
|
|
18 |
10.3 |
14.0 |
8.3 |
0.5 |
3.7 |
0.9 |
6.1 |
3.9 |
5.5 |
14.7 |
14.9 |
3.6 |
|
|
19 |
+10.6 |
+13.9 |
+8.0 |
-0.7 |
-3.6 |
+1.1 |
+6.2 |
+3.7 |
-6.0 |
-14.9 |
-14.7 |
-3.2 |
|
|
20 |
10.9 |
13.8 |
7.7 |
0.9 |
3.6 |
1.3 |
6.2 |
3.5 |
6.4 |
15.1 |
14.5 |
2.7 |
|
|
Day |
JAN |
FEB |
MAR |
APR |
MAY |
JUN |
JUL |
AUG |
SEP |
OCT |
NOV |
DEC |
|
|
21 |
11.2 |
13.7 |
7.4 |
1.2 |
3.5 |
1.5 |
6.3 |
3.2 |
6.7 |
15.2 |
14.3 |
2.2 |
|
|
22 |
11.5 |
13.6 |
7.1 |
1.4 |
3.5 |
1.7 |
6.3 |
3.0 |
7.1 |
15.4 |
14.0 |
1.7 |
|
|
23 |
11.8 |
13.5 |
6.8 |
1.6 |
3.4 |
2.0 |
6.4 |
2.8 |
7.4 |
15.6 |
13.7 |
1.2 |
|
|
24 |
12.0 |
13.4 |
6.5 |
1.8 |
3.3 |
2.2 |
6.4 |
2.5 |
7.8 |
15.7 |
13.4 |
0.7 |
|
|
25 |
+12.3 |
+13.2 |
+6.2 |
-1.9 |
-3.2 |
+2.4 |
+6.4 |
+2.2 |
-8.1 |
-15.8 |
-13.1 |
-0.2 |
|
|
26 |
12.5 |
13.1 |
5.9 |
2.1 |
3.1 |
2.6 |
6.4 |
1.9 |
8.4 |
15.9 |
12.9 |
0.3 |
|
|
27 |
12.7 |
12.9 |
5.6 |
2.3 |
3.0 |
2.8 |
6.4 |
1.7 |
8.8 |
16.0 |
12.5 |
0.8 |
|
|
28 |
12.9 |
12.7 |
5.3 |
2.4 |
2.9 |
3.0 |
6.4 |
1.4 |
9.1 |
16.1 |
12.2 |
1.3 |
|
|
29 |
13.1 |
|
5.0 |
2.6 |
2.8 |
3.2 |
6.4 |
1.1 |
9.5 |
16.2 |
11.9 |
1.8 |
|
|
30 |
13.3 |
|
4.7 |
2.7 |
2.6 |
3.4 |
6.4 |
0.8 |
9.8 |
16.3 |
11.5 |
2.3 |
|
|
31 |
+13.4 |
|
+4.4 |
|
-2.5 |
|
+6.3 |
+0.5 |
|
-16.3 |
|
+2.8 |
|