Provides methods to determine the sunrise, sunset, civil twilight,nautical twilight, and astronomical
twilight times of a given location, or if it is currently day or night at a given location.
Provides an implementation of the Porter stemming algorithm, defined here: http://tartarus.org/martin/PorterStemmer/def.txt This implementation has not been tuned for high performance on large amounts of text. It is a simple (naive perhaps) implementation of the rules.
Provides conversion between Gregorian calendar dates and French Revolutionary calendar dates.
Also converts 24-hour time to decimal time.
Reference: http://en.wikipedia.org/wiki/French_Republican_Calendar
JarCasting