Choosing the correct model for your location
and current delivery times
Horizontal sundials need to have the angle between the gnomon (which
casts the shadow) and the dialplate appropriate to the latitude
where they are to be used. If you do not know the latitude of your
location, you can find it out from the links on our latitude
page. The Spot-On Sundial is made in seven models.
|
Model
|
Latitude deg.
|
Suitable for use between latitudes:
|
Despatch
(add 3 working
days for engraving)
|
| A: Newcastle-on-Tyne |
55° N
|
53.25 to 58° N
|
next day
|
| B: London |
51° 30' N
|
49.75 to 53.25° N
|
next day
|
| C: Vienna |
48° N
|
45.5 to 49.75° N
|
next day
|
| D: Milwaukee |
43° N
|
40.5 to 45.5° N
|
next day
|
| E: San Francisco |
37° 45' N
|
36 to 40.5° N
|
next day
|
| F: Los Angeles |
34° N
|
32 to 36° N
|
next day
|
| G: New Orleans |
30° N
|
26 to 32° N
|
next day
|
| and our new Southern Hemisphere
model |
| S: Cape Town |
34° S
|
27 to 41° S (see notes below)
|
next day
|
The table below shows some of the places located on the latitudes
dividing two models, so that you can identify the model you need
from your atlas if you prefer. (If your location is exactly on one
of these latitudes, you can use either of the two models either
side equally successfully)
|
Northern Hemisphere models
|
|
Latitude
|
Places on this latitude in Europe
|
Places on this latitude in North America
|
|
Use model A (Newcastle-on-Tyne) north of
53 ° 15' N
|
|
53° 15'
|
Lincoln, Chester (UK), Dublin (IRL) Bremen
(D)
|
|
|
Use model B (London) between these latitudes
|
|
49° 45'
|
Luxembourg (L) Wurzburg (D) Plzen(CZ)
|
Vancouver(BC) Winnipeg(MN)
|
|
Use model C (Vienna between these latitudes
|
|
45° 30'
|
St. Etienne, Chambery (F), Milano, Venezia
(I)
|
Aberdeen (SD), Montreal (PQ)
|
|
Use model D (Milwaukee) between these latitudes
|
|
40° 30'
|
Madrid(E), Taranto(I), Thessaloniki (GR)
|
Eureka(CA) Salt Lake City(UT), Pittsburgh
(PA) New York (NY)
|
|
Use model E (San Francisco) between these
latitudes
|
|
36°
|
Algeciras (E), Malta, Rhodes (GR)
|
Kettleman City (CA) Nashville (TN) Tulsa
(OK)
|
|
Use model F (Los Angeles) between these
latitudes
|
|
32°
|
|
Ensenada(MEX), El Paso (TX) Jackson (MI),
Savannah (GA)
|
|
Use model G (New Orleans) south of 32°N
|
|
Southern Hemisphere models
|
|
Latitude
|
Places on this latitude in S. America
|
Places on this latitude in Africa
|
Places on this latitude in Australasia
|
|
No model yet available north of 27 ° S (see
note A)
|
|
27 ° S
|
Itaji, Brasil
|
Standerton, Transvaal
|
Kilcoy, Qld.
|
|
Use model CT (Cape Town) between these latitudes
(but see note B)
|
|
32 ° S
|
Cordoba, Argentina
|
Queenstown, Cape Province
|
Broken Hill, NSW.
|
|
Use model CT (Cape Town) between these latitudes
|
|
36 ° S
|
Talca, Chile
|
Cape of Good Hope (34 ° 25' S)
|
Brisbane, Qld.
|
|
Use model CT (Cape Town) between these latitudes
(see note B)
|
|
41 ° S
|
Oromo, Chile
|
|
Devonport (TAS) Masterton, NZ
|
|
No model available south of 41 ° S(see note
A)
|
Note A: but it is possible to use the Cape Town sundial
north of 27 ° S or south of 41 ° S using the techniques described
in advanced set-up, though the angle
of tilt requried will be in excess of 7 deg
Note B: Between these latitudes, you need to use the techniques
described in advanced set-up for complete
accuracy
|
