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AAT ICAS 3115 ✧ yeargroupUniform term set

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 for important information about ICAS.

this document designates the AAT ICAS yeargroupUniform term set.

table 3115.1 ✧ aaticas namespace of yeargroupUniform

aaticas namespaceelement set
<aaticas:developer>AAT ICAS
<aaticas:metaCat>uniform yeargroup set

table 3115.2 ✧ AAT ICAS yeargroupUniform term set

note: uniform yeargroups smaller than a tenmillennium are appropriate for representation as coordinated calendrical units, not for representation as fixed units. a uniform megalennium is equal to 365 242 500 main units.
yeargroup-10-000yeargr-10-000tenmillenniumten-kium10 000
yeargroup-100-000yeargr-100-000hundredmillenniumhun-kium100 000
metric usage note: short form expressions of coordinating prefixes for 'ten' and 'hundred' are used in reference to ICAS standards of usage and style.
yeargroup-1-000-000yeargr-1-000-000megalenniumMium1 000 000
yeargroup-10-000-000yeargr-10-000-000tenmegalenniumtenMium10 000 000
yeargroup-100-000-000yeargr-100-000-000hundredmegalenniumhunMium100 000 000
yeargroup-1-000-000-000yeargr-1-000-000-000gigalenniumGium1 000 000 000
yeargroup-10-000-000-000yeargr-10-000-000-000tengigalenniumtenGium10 000 000 000
yeargroup-100-000-000-000yeargr-100-000-000-000hundredgigalenniumhunGium100 000 000 000
yeargroup-1-000-000-000-000yeargr-1-000-000-000-000teralenniumTium1 000 000 000 000

top document updated:

system identifiersdatetime
Uniform CalendarUCUCN 12019 S19 Yellow
Inter-Dial ClockIDCzone(UT)t339 tt050
'ICAS in use' can accommodate calendar and clock formatting 'for all people, for all time'.
day of yearD-o-YAD common year day139
Gregorian calendarGG2019 May 19 Sunday
seconds, minutes, hoursSMHUT08:08:14
style legend


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