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AAT ICAS 2025 ✧ element sets usage guidelines

document note: this document is part of the Integrated Chronological Applications System (ICAS). Alliance for the Advancement of Technology (AAT) provides ICAS standards documents subject to terms of use described in document AAT ICAS 9010. please refer to other key AAT ICAS standards documents accessible via the AAT ICAS web site at http://www.aatideas.org/icas for important information about ICAS.

this document describes normative AAT ICAS usage guidelines for ICAS element sets. please refer to AAT ICAS 2020 for additional important usage guidelines.

usage guidelines for ICAS element sets

ICAS element sets consist of type and name designations per AAT ICAS 3100 element set specifications, with the type written in lowercase and an initial capital for the name; for example, monthBiennial or blockdaySpectrum.

by convention element sets are referenced by developer, localization, and element set. usage of element sets should also reference an effective version of ICAS per AAT ICAS 3009.

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aatideas.org document updated:

system identifiersdatetime
longshortscalevalue
Uniform CalendarUCUCN 12010 F07 Red
Inter-Dial ClockIDCzone(UT)t391 tt886
'ICAS in use' can accommodate calendar and clock formatting 'for all people, for all time'.
day of yearD-o-YAD common year day157
Gregorian calendarGG2010 June 06 Sunday
seconds, minutes, hoursSMHUT09:24:19
style legend

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