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This page was last updated on October 7th, 2008
This page was last updated on October 7th, 2008
Calendars and Timekeeping (from Astronomy)
Canadian Content » Science » Astronomy » Calendars_and_Timekeeping »
Astronomy by JavaScript: Sun Calculators and More
Applets related to calendars and keeping time, including sidererial time.
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 compl
The Calendar, Leap Years and the Year 2000
An explanation of the calendar including the origin of the day, week, month and year.
Indian Moons
A list of many American Indian tribe's names for months, days, and other calendar related information.
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.
Millennium Mistake
Explains the difference between millenium and year 2000 as the absence of a year zero.
Calendopaedia
The Encyclopaedia of Calendars.
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.
The Islamic Calendar
The mathematics of the Islamic calendar in Singapore.
Britannica.com - Clockworks: From Sundials to the Atomic Second
Britannica.com explores the history of timekeeping, from sundials to cesium atomic clocks.
LunarCal - A Perpetual Chinese Lunar Calendar
LunarCal is a 160-year perpetual Chinese Lunar Calendar for 1900 to 2060. Chinese festivals are listed and the moon phase is displayed.
The Chinese Calendar
The mathematics of the Chinese calendar. Explains the rules for the Chinese calendar.
Astro Portal - CalSKY
The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers.
Blue Moon Myths
Second full moon in a month, or third full moon in a single season?
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.
Calendars through the Ages
History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan.
The Difference Between the Millennium and Year 2000
Questions and answers to satisfy the hearts of true millennium buffs.
Astronomical Time Keeping
Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers.
Annus Novus Decimal Calendar
A proposal for a non-sectarian, culturally neutral calendar system.
Time and Dates
Information on date, time, and time zones from the New York Public Library.
Calendrical Calculations
Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civil calendars.
Rosetta Calendar
An online handy tool for converting to and from the Gregorian, Julian and Jewish calendars.
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.
Applets related to calendars and keeping time, including sidererial time.
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 compl
An explanation of the calendar including the origin of the day, week, month and year.
A list of many American Indian tribe's names for months, days, and other calendar related information.
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.
Explains the difference between millenium and year 2000 as the absence of a year zero.
The Encyclopaedia of Calendars.
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.
The mathematics of the Islamic calendar in Singapore.
Britannica.com explores the history of timekeeping, from sundials to cesium atomic clocks.
LunarCal is a 160-year perpetual Chinese Lunar Calendar for 1900 to 2060. Chinese festivals are listed and the moon phase is displayed.
The mathematics of the Chinese calendar. Explains the rules for the Chinese calendar.
The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers.
Second full moon in a month, or third full moon in a single season?
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.
History and FAQs of calendars, from ancient Rome to outer space. Including Julian, Gregorian, Jewish, Islamic, Chinese, and Mayan.
Questions and answers to satisfy the hearts of true millennium buffs.
Extensive descriptions of many astronomical time keeping systems, with information on time zones and Julian day numbers.
A proposal for a non-sectarian, culturally neutral calendar system.
Information on date, time, and time zones from the New York Public Library.
Published by Cambridge University Press. Gives a unified algorithmic presentation of the Gregorian, ISO, Julian, Coptic, Ethiopic, and Islamic civil calendars.
An online handy tool for converting to and from the Gregorian, Julian and Jewish calendars.
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.
Astronomy >> Calendars and Timekeeping yielded other results on Canadian Content:
Accounting Software - Page 7
Programs in this category help increase efficiency when keeping your books, organizing taxes, keepi
Programs in this category help increase efficiency when keeping your books, organizing taxes, keepi
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