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Units of Time, image, image, image, image, image - Coggle Diagram
Units of Time
SI Unit of Time
A second is defined as 1/86400th part of a mean solar day
1s=1/86400 one mean solar day
*One solar day is the time taken by the earth to complete one rotation on its own axis.
The year 1900 to be equal to 365.2422 days.
Thus, 1year 1900=365.2422days*86400s= 31556926.08s
1second=1/31556926.08th part of the year 1900
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Bigger Units of Time
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4) Lunar month: It is a month in the calendar which depends on the phases of the moon. One lunar month = 2905 days
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