Development of Time Calendar Systems Calendar Apps Time Zones Sunrise/Sunset Bottom
- Development of Time and Time Systems
- Ancient Arab Astronomy by Robin Westgate
- Ancient Calendars, National Institute of Standards and Technology
- Ancient Egypt: The Father of Time
- Daylight Saving Time from WebExhibits, history of daylight saving time
- A Guide to Metric Time or Decimalized Time - an attempt to create a decimalized time system
- A History of Astronomical Time Scales by Steve Allen
- The History of Horology and Chronometry, information regarding the history of various time-related happenings such as the invention of horological devices to the requirements that NASA used for selecting its space watch
- History of Time, from Phänomen Zeit
- Hours and Unequal Hours by Nicholas Whyte, the transition from astronomical-based time to mechanical clock-based time in 12th and 13th centuries
- How Time Works from HowStuffWorks - The origins of timekeeping
- How We Came To Tell Time Around The World by Victor Toth
- The Medieval Concept of Time by James B. Shannon
- On Time: How America Has Learned to Live by the Clock from the Smithsonian Institution
- The Perpetual Calendar, detailed information by country about the adoption of the Gregorian calendar
- The Story of Time from National Maritime Museum, Royal Observatory Greenwich
- Telling The Time In The Middle Ages by by April Munday
- Telling Time Without a Clock: Scandinavian Daymarks
- Time for Everyone from Ingrid Hielle / Krupp VDM GmbH (Brief Overview)
- Timekeeping In The Roman Army by Professor George Cupcea
- Why is a minute divided into 60 seconds, an hour into 60 minutes, yet there are only 24 hours in a day? from Scientific American
- 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
- Principles of Historic Calendars from Polysyllabic
- Asian
- Balinese Calendar System from indo.com
- The Balinese Pawukon Calendar from Calendopedia
- How Akbar invented the modern Bengali calendar
- The 12 Animals of the Chinese Calendar
- Chinese Calendar from Wikipedia, the free encyclopedia.
- The Ancient Chinese Calendar
- Juche [North Korean] Calendar
- Rapa Nui [Easter Island] Calendar
- Tamil Calendar
- Vietnamese Lunar Calendar
- European
- The Cosmology of the Ancient Balts
- The Celtic Coligny Calendar
- The Coligny Calendar from Fandom
- Florentine Calendar from Fandom
- The French Revolutionary Calendar by Claus Tøndering
- The French Revolutionary Calendar from Wolfram
- Gaelic Calendar
- The Ancient Greek Calendar from Polysyllabic
- Time Measurements - Calendars of the city-states of ancient Greece and the eastern Mediterranean
- Hellenic Calendar from Fandom
- The Medieval Calendar ▪ video ▪
- Timekeeping in the Roman Army
- Roman Calendar from Wolfram
- The Roman Republic Calendar from Polysyllabic
- The History of the Ancient Roman Calendar from History and Archaeology Online
- Runic Calendar from Fandom
- Soviet Revolutionary Calendar from Fandom
- Swedish Calendar from Fandom
- The Calendar of the Vikings
- Middle-Eastern/African
- Ancient Armenian Calendar
- Armenian Calendar from Fandom
- Assyrian Calendar
- Attic Calendar from Fandom
- The Babylonian Calendar from Polysyllabic
- Bikram Samwat from Fandom
- Byzantine Calendar from WikiVisually
- The Egyptian Calendar from Polysyllabic
- Egyptian Calendar from Wolfram
- The Ethiopic Calendar by Dr. Aberra Molla
- Igbo Calendar from Fandom
- The Iranian Calendar
- Iranian Calendar from Wolfram
- Pentecontad Calendar from Fandom
- The Persian Calendar by Claus Tøndering
- The Persian Calendar for 3000 Years by Kazimierz M Borkowski
- Qumran Calendar from Fandom
- The Sumerian Calendar from Living with the Moon
- Xhosa Calendar from Wild Coast
- American
- Aztec Calendar from World Mysteries
- Aztec Calendar
- Mysteries of the Fifth Sun: The Aztec Calendar by Dale Hoyt Palfrey
- The Maya Calendar by Claus Tøndering
- The Maya Calendar from ThoughtCo.
- Maya Calendar and Maya Calendar Round
- The Maya Calendars, the Long Count, Haab, and Tzolkin calendars
- Maya Calendar Converter, conversion from Mayan to Gregorian
- Religious
- The Badí` (Bahá’í) Calendar from Bahaipedia
- The Bahá'í Calendar
- The Buddhist Calendar from Buddhanet
- The Buddhist Calendar from Astral Traveler
- The Calculation of Easter from Polysyllabic
- The Coptic Calendar
- The Coptic Calendar from timeanddate.com
- Enoch Calendar from Fandom
- Gregorian-Islam Dates Converter from Islam Finder
- The Gregorian Conversion from Polysyllabic
- The Hebrew Calendar by Claus Tøndering
- Hebrew Calendar from Wolfram
- Hindu Calendar from ThoughtCo.
- Hindu Calendar
- Hindu Calendar
- Attic Calendar from Fandom
- The Islamic Calendar from Islamic Finder
- The Islamic Calendar by Claus Tøndering
- Islamic Calendar from Wolfram
- The Jewish Calendar from Polysyllabic
- The Julian Calendar from Polysyllabic
- The Malayalam Calendar
- Roman Catholic Calendar of Saints according to the Novus Ordo Missae
- Shinto Festivals and Calendar
- Zoroastrian 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
- Gregorian to many other calendar systems online
- 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
- 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 24 timezones
- 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
- NOAA Solar Calculator - Find Sunrise, Sunset, Solar Noon and Solar Position for Any Place on Earth from the National Oceanic & Atmospheric Administration
- Sunrise, Sunset Calendars and Local Time for major cities, includes a printable custom sunrise and sunset calendar
- Sunrise/Sunset Calculator from StarDate
Development of Time Calendar Systems Calendar Apps Time Zones Sunrise/Sunset Top
