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MEASUREMENTS SI UNITS - Time
Time (second): - The second is
the duration of 9,192,631,770, period of the radiation
corresponding to the transition between the to hyperfine
levels of the ground state of the cesium-133 atom. (1967).
It is denoted by s.
|
60 seconds ( secs, " ) |
= |
1 minute. |
|
60 minutes ( mins, ' ) |
= |
1 hour |
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24 hours ( hrs ) |
= |
1 day |
| 7
days ( d ) |
= |
1 week ( wk ) |
|
28, 29, 30 or 31 days |
= |
1 month |
|
12 months ( m ) |
= |
1 year |
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10 years ( y ) |
= |
1 decade |
|
1000 years |
|
1 millenium |
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