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Cordulia decade commemoratives

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winter solstice at the Getty Center Los Angeles (web preview 20 KB, high-resolution 1020 KB) mountain at Carson Pass (web preview 24 KB, high-resolution 1.3 MB)


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AAT project Mercury is here

welcome to the new mobile-friendly area of , AAT's project Mercury .

filetypeXHT is here

most of the areas of this web site have been migrated to 'xht' filetypes. however at least a few 'html' documents are expected to be maintained indefinitely: the top page, the 'icas/index.html' page, and the accessibility information page.

quick links

happy World Metrication Day 2019 from AAT !

to reference the most recent AAT ICAS specifications for uniform scales of calendar and clock, browse the AAT ICAS index of standards documents.

for the Metrication Month 2019 announcement (MMd9), and for updates on metrication resources, browse metric resources.

for the MMd8 metrication month poster on the AAT ICAS vision for measuring speed in terms of a meter solana scale, browse metric resources..

for the MMd7 metrication month poster on myths and fallacies of measure, browse metric resources..

for the MMd6 metrication month poster on learning about ICAS Uniform Calendar, browse metric resources..

for the MMd5 metrication month poster on decade short forms, browse metric resources..

for the MMd4 metrication month poster on an ICAS approach to UT, browse metric resources..

for the MMd3 metrication month poster on metric fun facts, browse metric resources..

for the MMd2 metrication month poster on temperature, browse metric resources..

for the MMd1 metrication month poster on ICAS representation of uniform decades, browse metric resources.

the aaticas on LinkedIn group on LinkedIn is a great place to discuss topics about ICAS.

the aaticas group on Yahoo Groups is a great place for updates on AAT fiscal operations.

for links to the decimal time wiki at, browse AAT ICAS development #languages.

for a quick update on environmental awareness month 2015 including the 45th anniversary of Earth Day, browse topics on environment.

for the MMd0 metrication month poster on ICAS representation of uniform decades, browse metric resources.

for information about the most recent foldatimeICAS and clipboardICAS software update and download, browse the AAT ICAS code library.

for the MMc9 metrication month poster on usability comparison of calendar date formats, browse metric resources.

for the MMc8 metrication month poster on metric terms for large and small numbers, browse metric resources.

for solar system quick facts by metric scalemodes, browse special topics on space.

to find the Uniform Calendar date, browse the web calendars.

to customize an ICAS chart, download the CHARTdateEPOCH calendar spreadsheet.

to launch a decimalized representation of PERCENT time, browse the DialTiros decimal dial, a Java applet that renders a strict implementation of the ICAS radialPercent analog dial specification.

or begin with the AAT ICAS poster series for metrication month 12005 for a quick tour of the AAT ICAS state of the art.

for details about the new web site reorganization, visit the accessibility area.

construction International Space Station bee and lavender columns and crane Very Large Array expedition to Lake Vida Mars rover Opportunity

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top document updated:

system identifiersdatetime
Uniform CalendarUCUCN 12019 S20 Orange
Inter-Dial ClockIDCzone(UT)t360 tt694
'ICAS in use' can accommodate calendar and clock formatting 'for all people, for all time'.
day of yearD-o-YAD common year day140
Gregorian calendarGG2019 May 20 Monday
seconds, minutes, hoursSMHUT08:39:24
style legend


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