Calendars and Timekeeping |
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A list of many American Indian tribe's names for months, days, and other calendar related information.
The worldwide interactive online astronomical/space calendar and calculator - for friends of astronomy, as well as astronomers.
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.
Information on the origin of the week, and etymology of month and weekday names.
Explanations of the Julian Calendar, the Gregorian Reform, the adoption of the Gregorian Calendar, the length of the tropical year and related matters.
An explanation of the Julian day number system used by astronomers and calendricists.
An explanation of lunar, solar, lunisolar, rule-based and other types of calendars.
PlexGlobe is a productivity toolkit for global users and businesses that includes: - World clock and calendar such as Chinese and so on.
The calendar has many options with a standard monthly interface, including sunrise, sunset, and Moon phases.
Complete guide to times in every time zone in the world.
Kids_and_Teens /
School_Time /
Science /
Astronomy_and_Space /
Time
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