Definition of financial year
: a 12-month period used by a government, business, or organization to calculate how much money is being earned, spent, etc. : (US) fiscal year
Word by Word Definitions
: the period of about 3651/4 solar days required for one revolution of the earth around the sun
: the time required for the apparent sun to return to an arbitrary fixed or moving reference point in the sky
: the time in which a planet completes a revolution about the sun
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