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02/11/10 - Sunrise, Sunset

This isn't a software site, but Kaleberg Laboratories does maintain a few little pieces of software. There's our equation solver, Equato, a computer teaching tool, Cardiac, a program for making volvelles, and a number of tide forecasting and tide finding tools. One surprisingly popular program is Sunrise Sunset which simply produces an iCal calendar giving the times of sunrise and sunset. It is just an old basic program rewritten. You type in your latitude and longitude, your time zone and a few other particulars and out scoots an iCal calendar ready to use. Apparently, a fair number of people have some concern with when the sun rises and sets. Now and then we get feedback about the program, usually noting that it is broken. The latest note was from an Australian who reminded us that they do daylight savings time a bit differently in the southern hemisphere, so we've added a Down Under option to account for winter and summer being reversed. It still doesn't support British double war time, but the updated version is now more useful for people on the other half of the planet.

If you have a Mac, you can download the program here.

Keywords: software, science, kale, australia