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World Online
Converters
Weights / Measures
/ Time Calculators
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Convert It!
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Conversion Factors
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Cooking Measures and Conversion Calculator
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Cost-of-living calculator
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Currency converter
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How Far Is
It?
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Martindale's Calculators Online Center
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Measure 4 Measure
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Measurement Units Translation
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Megaconverter
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Weights and Measures - Refdesk
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World Wide Metric Calculators
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A Walk Through Time - the evolution of time
measurement
- Aztec
Calendar - describes the sacred Aztec
calendar, and can tell you what date it is according to that calendar.
- Calculate Day of Week - Calculate the
Day of the Week for a Given Date from 1 January 1583 to 31 December 4000.
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Calendars and their History - reprinted from the Explanatory Supplement to the Astronomical
Almanac.
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Calendar Conversions - Convert dates into
corresponding days in different calendar systems.
- Calendars
by Tat - Free printable monthly
calendars.
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Calendar - Perpetual - Just plug in the year
for a calendar of that year.
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Calendar Studies - covers the Mayan, Goddess
Lunar, Gregorian, Julian and other lunar calendars. Includes DOS software to
convert dates.
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Compute Sunrise, Sunset Worldwide - site calculates sunrise, sunset for anywhere in the world, on any
date.
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Countdown to the Millennium
- U.S. Naval Observatory
- Daily Almanac - Who was born and what happened on any given day
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Daylight Saving Time, Its History and Why We Use It - information on why we save daylight, the history of Daylight
Savings Time, and when it starts and stops each year between 1990 and 2004.
- Earth
Calendar - A daybook of holidays and celebrations around the world.
Holidays are listed by date, country, and religion.
- Horology - The science of time, timekeepers (watches, clocks) and
timekeeping.
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How Radio-Controlled Clocks Work - By now, you have probably seen or own a radio-controlled clock. These
clocks are sold in all forms: as wall clocks, desk clocks, travel alarms, and
wristwatches. They have a tremendous advantage over conventional clocks, they
are always right! When working properly, radio-controlled clocks always
display the correct time, down to the exact second. And you never have to
adjust them. This site explains how these clocks work.
- Literary
Calendar - almanac of literary
information in a this-day-in-history format. Browse specific days, search the
entries, or join the mailing list for daily e-mails of historical tidbits.
- Local
Times Around the World
- Moon
Info
- NIST
Time and Frequency Division Hompage - develops and operates
standards of time and frequency
- Number
of Days Between Dates - Calculate the number of days between two
dates.
- Official U.S. Time - National Institute of Standards and Technology
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One-World Global Calendar
- Phases of the Moon
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Quartz Watch, The - Ever wonder how a watch
works? Discover the fascinating stories behind the invention of the quartz
watch. This Smithosian Institution site provides history and background
information on quartz clocks.
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Roman Calendar - what day is it really? This
Roman Calendar reconstruction will tell you what ancient holiday today is, as
well as what day your birthday was.
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Sun and Moon Data for One Day - obtain the
times of sunrise, sunset, moonrise, moonset, transits of the Sun and Moon, and
the beginning and end of civil twilight, along with information on the Moon's
phase.
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Sunrise/Sunset Computation
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The Third Millennium - The end of the second
millennium and the beginning of the third will be reached on January 1, 2001.
This date is based on the now globally recognized Gregorian calendar, the
initial epoch of which was established by the sixth-century scholar Dionysius
Exiguus, who was compiling a table of dates of Easter. Rather than starting
with the year zero, years in this calendar begin with the date January 1, 1
Anno Domini (AD). Consequently, the Third Millennium does not begin until
January 1, 2001 AD.
- TimeTicker
- shows the exact time for every place on earth; shockwave plugin must be
installed.
- Today
Date and Time - today's date in
various calendars and eras. Links to "today" info throughout the Web.
Celestial and astronomical info.
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WWW Tide and Current Predictor
- World Clock, The - Automatically updated every minute
- World Public Holidays Database
- Worldtime
- interactive world atlas, providing information on local time and public
holidays for all countries.
- World Time
Zone - local time in every country in the world; each local time is
fully adjusted for their own specific daylight savings time
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World Time Zone Map
- World Wide
Holidays and Festival Page
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Conversion of Units - Convert temperature,
measurement, heat and energy units, as well as time, velocity and currency.
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Cooking Measures and Conversion Calculator
- Currency Calculator
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Dictionary of Units, A - an explanation of the principal systems of units, their history,
standards, and conversion factors for changing from one to the other.
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Dictionary of Units of Measurement
- Directorate of
Time - The U.S. Naval Observatory is the official source of time
used in the United States.
- Greenwich
Mean Time (GMT)
- Horology - The science of time, timekeepers (watches, clocks) and timekeeping.
- How Far Is
It? - - distances between 500 cities worldwide plus very basic
information about each location
- International Standard Date and Time Notation - specifies numeric representations of date and time.
- Measurements Converter - friendly JavaScript interface converts
length, weight, area, speed, temperature and more, into different units and
unit systems.
- Measurement 4 Measure - A collection of sites that estimate,
calculate, evaluate, translate,etc.
- Megaconverter
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Metric Conversion Card - Use this easy chart to convert inches to centimeters, pounds to
kilograms, Fahrenheit to Celsius, and more.
- NIST
Time and Frequency Division - develops
and operates standards of time and frequency
- North American Time Zones and GMT
- Periodic
Table of the Elements
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Pictorial Periodic Table, The - growing
database, searchable by text or property: Lynx friendly yet modern browser
enhanced and it's fun, too.
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Temperature Conversion Calculator - Convert
from and to - Fahrenheit, Celsius, Kelvin, Reaumur, and Rankine.
- Time
Server - clock synchronization at
U.Delaware
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Unit Conversion Factors
- Universal
Currency Converter, The - allows you
to perform interactive foreign exchange rate conversion on the Internet.
- U.S.
Metric Association (USMA) - national
non-profit organization, founded in 1916, which advocates U.S. conversion to
the International System of Units (SI), also called the modern metric system.
- Visual
Elements - featuring computer-generated images that interpret the
109 entries of the periodic table
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Walk Through Time, A -
the evolution of time measurement.
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What time is it? - current time, from the US
Naval Observatory Master Clock.
- World Time Zones
- World Time
Zones Maps with Current Time
- Usenet - alt.horology
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