https://e-sygoing.link Latest links in the Calendars and Timekeeping category en-us Sun, 24 May 2026 18:24:04 -0400 https://e-sygoing.link/link/5300597-julian-day-numbers An explanation of the Julian day number system used by astronomers and calendricists. Mon, 30 Mar 2026 16:55:07 -0400 https://e-sygoing.link/go/5300597 https://e-sygoing.link/link/5300579-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. Wed, 17 Dec 2025 15:08:21 -0500 https://e-sygoing.link/go/5300579 https://e-sygoing.link/link/5300577-maya-calendar-2000 The calendar was the center of Maya life and their greatest cultural achievement. To carry out their astronomical calculations they developed a sophisticated mathematical system. The Maya Calendar website is developing with the intent of providing a complete view of Maya culture. Wed, 17 Dec 2025 13:31:02 -0500 https://e-sygoing.link/go/5300577 https://e-sygoing.link/link/5300585-annus-novus-decimal-calendar A proposal for a non-sectarian, culturally neutral calendar system. Fri, 03 Oct 2025 07:20:03 -0400 https://e-sygoing.link/go/5300585 https://e-sygoing.link/link/5300584-calendars-through-the-ages History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan. Thu, 02 Oct 2025 07:39:15 -0400 https://e-sygoing.link/go/5300584 https://e-sygoing.link/link/5300596-the-julian-and-gregorian-calendars Explanations of the Julian Calendar, the Gregorian Reform, the adoption of the Gregorian Calendar, the length of the tropical year and related matters. Wed, 23 Jul 2025 19:51:44 -0400 https://e-sygoing.link/go/5300596 https://e-sygoing.link/link/5300590-rosetta-calendar An online handy tool for converting to and from the Gregorian, Julian and Jewish calendars. Fri, 16 May 2025 02:21:52 -0400 https://e-sygoing.link/go/5300590 https://e-sygoing.link/link/5300586-astronomy-by-javascript-sun-calculators-and-more Applets related to calendars and keeping time, including sidererial time. Wed, 08 Jan 2025 19:28:19 -0500 https://e-sygoing.link/go/5300586 https://e-sygoing.link/link/5300594-lunisolar-calendar Lunar calendar with lunations, from new moon to new moon, instead of months. Moon phase on each day. Chinese, Jewish, and Islamic months. Eclipses, meteors, planets, star charts. Christian, Pagan, Islamic, Hindu, and Jewish holidays. Sun, 08 Dec 2024 14:24:40 -0500 https://e-sygoing.link/go/5300594 https://e-sygoing.link/link/5300588-calendopaedia The Encyclopaedia of Calendars. Fri, 22 Nov 2024 12:09:52 -0500 https://e-sygoing.link/go/5300588