The design of the library is currently being evolved using Wiki and email discussions. You can find more information at: Boost Wiki GDTL Start Page. Date References Time References Other C/C++ Libraries JAVA Date-Time Libraries Scripting Language Libraries Related Commercial and Fanciful Pages Resolution, Precision, and Accuracy Date Calendar References ISO 8601 date time standard -- Summary by Markus Kuhn Calendrical Calculations book by Reingold & Dershowitz Calendar FAQ by Claus Tøndering Calendar zone XML schema for date time Will Linden's Calendar Links XMAS calendar melt Time Martin Folwer on time patterns Recurring Events for Calendars Patterns for things that Change with time US National Institute of Standards and Technology Time Exhibits Network Time Protocol at NTP.org US Navy Systems of Time International Atomic Time Date-Time type PostgreSQL User Guide Other C/C++ Libraries ctime C Standard library reference at cplusplus.com XTime C extension proposal Another C library extension proposal by David Tribble libTAI is a C based time library Time Zone Database C library for managing timezones/places International Components for Unicode by IBM (open source) Calendar Class Date Time Services Time Zone Class Date-Time Formatting Julian Library in C by Mark Showalter -- NASA JAVA Date & Time Library Quick Reference Calendar class Gregorian calendar Date class sql.time class Date format symbols Date format Simple Date Format Simple Time Zone Scripting Language Libraries A python date library MX Date Time Perl date-time Date-Time packages at CPAN Date::Calc at CPAN Date::Convert calendar conversions at CPAN Related Commercial and Fanciful Pages Eastern Standard Tribe -- Cory Doctorow science fiction novel with time themes. Leapsecond.com time page World Time Server / TZ database 10000 year clock at Long Now Foundation Timezones for PCs Resolution, Precision, and Accuracy Definitions with pictures from Agilent Technologies Definitions from Southampton Institute