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Outline
of the UDC
Table Ig - Common Auxiliaries of Time
symbol
"..."
| "0/2" | Dates and ranges of time (CE) in conventional Christian (Gregorian) reckoning |
| "3" | Conventional time divisions and subdivisions: numbered, named, etc. Years, seasons, months, weeks, days, etc. |
| "4" | Duration. Time-span. Period, etc. Ages and age-groups. Quinquenniums, decades, centuries, millennia etc. |
| "5" | Periodicity. Frequency. Recurrence at specified intervals. |
| "6" | Geological, archaeological and cultural time divisions. Eras. Geological periods. Ages (Ice Age, Stone Age,etc.) |
Last updated: 13
February 2008 
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