As well as the latitude and longitude, the local time zone needs to be known. This is given by the time difference between local time and Greenwich time. The use or lack of use of daylight savings time needs to be specified. Some users prefer 24 hour time lines instead of the typical 12 hours lines. Some custom scribing may be done by special request. Normally the Wenger Sundial is shipped within four to six weeks of the order date. |