Development of Time Calendar Systems Calendar Apps Time Zones Sunrise/Sunset Bottom
- Development of Time and Time Systems
- What is Horology? by Donn Lathrop
- Time for Everyone from Ingrid Hielle / Krupp VDM GmbH (Brief Overview)
- Time for Clocks from the Stichting Boom-Time (Dutch Clocks)
- Ancient Calendars, National Institute of Standards and Technology
- Clocks...Teaching Time from the Franklin Institute
- A Guide to Metric Time or Decimalized Time - an attempt to create a decimalized time system
- How Time Works from HowStuffWorks - The origins of timekeeping
- Learning About Time - lesson for youngsters
- Once Upon A Time Slideshows, from Franklin Institute Online
- Telling Time, from Franklin Institute Online - How humans measure time has changed dramatically through the ages. From the Franklin Institute
- Telling Time Without a Clock: Scandinavian Daymarks
- Time from ThinkQuest Library of Entries
- Timekeeping - Fact files from National Maritime Museum, Royal Observatory Greenwich
- Timeline - It's About Time. From 3000 BCE to the present.
- What's the Time? from Riverdeep. Units of timekeeping and clocks
- Ancient Egypt: The Father of Time
- History of Time from Phänomen Zeit [Translate into English]
- It's About Time from The WhyFiles, timekeeping accuracy
- Daylight Saving Time from WebExhibits, history of daylight saving time
- Hours and Unequal Hours by Nicholas Whyte, the transition from astronomical-based time to mechanical clock-based time in 12th and 13th centuries
- Medieval Calendars and Saint's Days, a collection of messages
- Medieval Clocks and Concepts of Time, a collection of messages
- [Medieval] Time and Calendars, resources for understanding the medieval calendar
- Nature: Mans Earliest Clock from Love Watches
- Clocks and Astronomy - The earliest clocks were actually the stars and heavens, from Love Watches
- The Greenwich Time Lady - communicating the current time, from Horology-Stuff
- The Perpetual Calendar, detailed information by country about the adoption of the Gregorian calendar
- A Brief History of Time, by CJ Hilder, including the origins of the names of our days and months
- Ancient Arab Astronomy by Robin Westgate
- Also see History of Timepieces
- Measuring Time - Calendar Systems
- General
- The Ancient Calendar
- Calendars by ScienceWorld.Wolfram.com. Explanations of calendric systems, days, time standards
- Calendars Through the Ages from WebExhibits, past calendars and current calendars
- Calendopaedia - The Encyclopaedia of Calendars - comparison of Calendars
- Frequently Asked Questions about Calendars by Claus Tøndering
- The History of the Western Calendar
- Principles of Historic Calendars from Polysyllabic
- Asian
- The 12 Animals of the Chinese Calendar
- Balinese Calendar System from indo.com
- Chinese Calendar from Wikipedia, the free encyclopedia.
- Chinese New Year
- Hindu Calendar
- Hindu Calendar
- Hindu Calendar from the Heart of Hinduism
- Introduction to Chinese Calendar - description and printable Chinese monthly calendar with lunar calendar dates
- Tamil Calendar
- European
- Ancient Athenian Festival Calendar
- The Ancient Greek Calendar from Polysyllabic
- The Anglo-Saxon Pagan Calendar
- The Calendar of Ancient Rome, Mores
- The Celtic Coligny Calendar
- Cosmology of the Ancient Balts
- Dating - Calender Years - a bit about the Julian and Gregorian Calendars. And interesting explanation of early English dating.
- The French Revolutionary Calendar by Claus Tøndering
- The French Revolutionary Calendar from Wolfram
- The Gregorian Conversion from Polysyllabic
- Horologium: Calculating the Hours in Ancient Rome
- The Julian Calendar from Polysyllabic
- Roman Calendar from Wolfram
- The Roman Republic Calendar from Polysyllabic
- Time Measurements - Calendars of the city-states of ancient Greece and the eastern Mediterranean
- Middle-Eastern/African
- The Babylonian Calendar
- The Babylonian Calendar from Polysyllabic
- The Coptic Calendar
- The Egyptian Calendar from Polysyllabic
- Egyptian Calendar from Wolfram
- The Ethiopic Calendar
- The Iranian Calendar
- Iranian Calendar from Wolfram
- The Persian Calendar by Claus Tøndering
- The Persian Calendar for 3000 Years by Kazimierz M Borkowski
- American
- Aztec and Mayan Calendars from World Mysteries
- Aztec Calendar
- The Maya Calendar by Claus Tøndering
- Maya Calendar Round
- Mayan Calendar Tools, conversion from Mayan to Gregorian
- Mysteries of the Fifth Sun: The Aztec Calendar by Dale Hoyt Palfrey
- Religious
- The Buddhist Calendar from Buddhanet
- The Calculation of Easter from Polysyllabic
- Gregorian-Islam Dates Converter from Islam Finder
- The Hebrew Calendar by Claus Tøndering
- Hebrew Calendar from Wolfram
- The Islam Calendar from Islamic Finder
- The Islamic Calendar by Claus Tøndering
- Islamic Calendar from Wolfram
- The Jewish Calendar from Polysyllabic
- Roman Catholic Calendar of Saints according to the Novus Ordo Missae
- Roman Catholic Traditional Calendar before 1969
- Shinto Festivals and Calendar
- Also see Calendar Conversion Applications for programs, websites, and applets that convert between calendar systems
- Also see Software page for printable calendars
- Calendar Conversion Applications
- Coptic to Julian Date Conversion
- Historical Ecclesiastical Calendar by Karl T Hagen
- Islamic to Christian Date Conversion
- The Kalendis Calendar Calculator allows users to interconvert any dates using any combination of multiple calendar systems
- Medieval Calendar Calculator by Peter Binkley
- Millesimo : logiciel de chronologie médiévale, conversion of medieval dates, MS-DOS [Translate into English]
- Moonwise: Date Conversions, convert any date betwen calendar systems
- VMaxCalendar Applet by Maxim V Kollegov, convert Julian calendar dates to Gregorian calendar dates and conversely
- Measuring Time - Time Zones
- MrDowling.com Time and Time Zones
- Time Zone Abbreviations.
- Time Zone Converter, converts current time to any time zone
- World Time Scales, National Institute of Standards and Technology
- World Time Zone Map from the National Institute of Standards and Technology ( NIST )
- Measuring Time - Sunrise / Sunset
- Calculate Sunrise, Sunset, Moonrise, Moonset from The Old Farmer's Almanac, also planets
- Complete Sun and Moon Data from the U.S. Naval Observatory
- Compute Sunrise, Sunset & Twilight For Cities & Airports Worldwide
- Sunrise, Sunset Calendars and Local Time for major cities, includes a printable custom sunrise and sunset calendar
- Sunrise/Sunset Calculator from StarDate
