
* Info

** WWW

http://www.timeanddate.com/sun/germany/berlin  (ISO 6709: "+5225+01234/")

http://www.timeanddate.com/sun/china/shanghai (ISO 6709: " +3112+12130/")

http://www.timeanddate.com/astronomy/about-sun-calculator.html

** Code

http://stjarnhimlen.se/comp/sunriset.c

http://www.sci.fi/~benefon/stuff.html

** ISO 6709 Standard representation of geographic point location by coordinates

http://en.wikipedia.org/wiki/ISO_6709

Eiffel Tower "+48.8577+002.295/"

** timezone

http://stackoverflow.com/questions/16086962/how-to-get-a-time-zone-from-a-location-using-latitude-and-longitude-coordinates

http://en.wikipedia.org/wiki/List_of_time_zone_abbreviations

http://www.timeanddate.com/time/zones/

https://github.com/libical/vzic A program to convert the IANA (formerly Olson) timezone database files into VTIMEZONE files compatible with the iCalendar specification (RFC2445 

** ICU

http://site.icu-project.org/

https://github.com/libical

