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KilletSoft extends Time Zones in GeoDLL 15.10 with Maritime Territorial Limits




 

Thus the Time Zone of a country can be accurately determined when entering the respective Maritime Territorial Zone. The new GeoDLL calculates Time Zones alternatively including the Territorial Sea Baseline, the Three Mile Territorial Limit, the Twelve Mile Territorial Limit, the 24-Mile Contiguous Zone and the 200-Mile Exclusive Economic Zone. Outside these Maritime Zones, international offshore Time Zones with the designations Alpha to Zulu are calculated.

The Sea Baseline follows the low-water line along the coast of a state. It is the base to measure the seaward limits of a state\-\-s territorial sea and all other Maritime Zones. From country to country different the Three and Twelve Mile Territorial Limits define sea areas which are regarded as the sovereign territory of the state. In the 24-Mile Contiguous Zone a state can exert limited control, for example police powers with respect to immigration and customs control. Inside the 200-Mile Exclusive Economic Zone a state has control of all economic resources, for example fishing, mining of natural resources and exploration.

The 408 worldwide Time Zones follow predominantly the borders and maritime territorial lines of countries or their subdivisions. GeoDLL can calculate Time Zones from geographic coordinates that comes for example from a GPS receiver. From the coordinates the Time Zone is determined involving the coastline of the desired Maritime Zone with high accuracy. Thus the clocks of a ship, plane or other means of transport can be set depending on the position and the Daylight Saving Time status of each country automatically to local time.

Time Zones supported by GeoDLL are based on a uniform naming convention, designed by Paul Eggert. They correlate to offsets from Coordinated Universal Time (UTC) as a number of hours, such as ?America/New_York, UTC-5?. Many countries use Daylight Saving Time (DST) in bright seasons, typically by changing clocks one hour forward. Unfortunately, the start and end dates of Daylight Saving Time in countries are handled differently. GeoDLL takes this into account and calculates the time zone parameters UTC, DST and start/end dates of the Daylight Saving Period for all countries and Time Zones exactly. An online-manual of GeoDLL with detailed function descriptions for software developers is available at http://www.killetsoft.de/h_geodll_e/handbuch_e.htm.





Posted by on 6. September 2018. Filed under Picture Gallery, Software. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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