- Astronomical Time Keeping
Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers.
(Rating: 0.00 Votes: 0) Rate It - Blue Moon Myths
Second full moon in a month, or third full moon in a single season?
(Rating: 0.00 Votes: 0) Rate It - Calendar Conversions
A handy tool for converting to and from various calendars, including the Jewish calendar and the French Republican calendar.
(Rating: 0.00 Votes: 0) Rate It - 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.
(Rating: 0.00 Votes: 0) Rate It - Calendars through the Ages
History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan.
(Rating: 0.00 Votes: 0) Rate It - Calendrical Calculations
Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civil calendars.
(Rating: 0.00 Votes: 0) Rate It - Indian Moons
A list of many American Indian tribe's names for months, days, and other calendar related information.
(Rating: 0.00 Votes: 0) Rate It - Islamic Calendar
Islamic months begin at sunset on the day of visual sighting of the lunar crescent. This site discusses the concept of the International Lunar Date Line and contains numerous maps of crescent visibility.
(Rating: 0.00 Votes: 0) Rate It - Leap Seconds
Civil time is occasionally adjusted by one second increments called leap seconds. A detailed explanation of what a second actually is, and why leap seconds are necessary.
(Rating: 0.00 Votes: 0) Rate It - Lunisolar Calendar
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.
(Rating: 0.00 Votes: 0) Rate It - 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.
(Rating: 0.00 Votes: 0) Rate It - Month Calendar for Any Year
Create a calendar (requires JavaScript, does not work in Netscape 3). Month poetry, how the months got their names, day names in different languages, birthstones, gemstones, Roman gods and the blue moon.
(Rating: 0.00 Votes: 0) Rate It - The Chinese Calendar
The mathematics of the Chinese calendar. Explains the rules for the Chinese calendar.
(Rating: 0.00 Votes: 0) Rate It - Time and Date
Lots of time and date related information, such as yearly and monthly calendars, counters, countdown, and the world clock which shows the current time in cities all over the world.
(Rating: 0.00 Votes: 0) Rate It - Time and Dates
Information on date, time, and time zones from the New York Public Library.
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