NAME Date::MSD - conversion between flavours of Mars Sol Date DESCRIPTION For date and time calculations it is convenient to represent dates by a simple linear count of days, rather than in a particular calendar. This module performs conversions between different flavours of linear count of Martian solar days ("sols"). Among Martian day count systems there are also some non-trivial differences of concept. There are systems that count only complete days, and those that count fractional days also. There are some that are fixed to Airy Mean Time (time on the Martian prime meridian), and others that are interpreted according to a timezone. The functions of this module appropriately handle the semantics of all the non-trivial conversions. The day count systems supported by this module are Mars Sol Date, Julian Sol, and Chronological Mars Solar Date, each in both integral and fractional forms. INSTALLATION perl Build.PL ./Build ./Build test ./Build install AUTHOR Andrew Main (Zefram) COPYRIGHT Copyright (C) 2007, 2009, 2010, 2012, 2017 Andrew Main (Zefram) LICENSE This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.