| Maya Exploration Center Non-profit specialty tour operator offering educational adventures in Mesoamerica. Details of regular and custom organised Chiapas tours. | Alias Smith and Jones Collection Articles, photos, biographies, sounds, message boards, information on star Pete Duel’s death as well as bios of Ben Murphy and Roger Davis. | Calendar Studies Articles on the Gregorian and Julian calendars, the ISO date format, the Julian day number system, the Maya calendar, the Goddess lunar calendar, the Liberalia Triday Calendar and C functions for date conversion; plus software for calendrical conversion. |
