annum (Q21320): Difference between revisions
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Created a new Item: annum, conventional fixed unit of time, derived of the SI system, equal to the mean duration of the tropic year independantly of the geographic location, estimated to 365.2422 fixed days of 86400 seconds, near from the mean year observed on ground |
Created claim: instance of (P2): SI-accepted non-SI unit (Q1654) |
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Latest revision as of 20:59, 8 March 2024
conventional fixed unit of time, derived of the SI system, equal to the mean duration of the tropic year independantly of the geographic location, estimated to 365.2422 fixed days of 86400 seconds, near from the mean year observed on ground
- tropic year
- solar year
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | annum |
conventional fixed unit of time, derived of the SI system, equal to the mean duration of the tropic year independantly of the geographic location, estimated to 365.2422 fixed days of 86400 seconds, near from the mean year observed on ground |
|