Science / Astrology / Sidereal Day: Twenty-four sidereal hours equal to 23 hours, 56 minutes and 4 seconds of clock time.
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Day Noun Synonyms: time, hour, age, period, era, epoch, date, prime, heyday, lifetime
Day Verb Synonyms: daytime, daylight, broad daylight, light of day
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Science / Tides and Currents / Day: The period of rotation of the Earth. There are several kinds of days depending on whether the Sun, Moon, or other object or location is used as the reference for the rotation. See constituent day, lun MORE
Science / Astrology / Sidereal Time: Time measured in relation to fixed stars, as distinguished from clock time, based upon the Sun's position relative to Earth. Astrological time data is listed in sidereal time units. MORE
Business / Accounting / Number Of Days Sales In Receivables: A measure of the average number of days it takes to collect a credit sale: computed by dividing 365 days by the accounts receivable turnover. MORE
Business / Accounting / Number Of Days Of Inventory On Hand: An alternative measure of how well inventory is being managed: computed by dividing 365 days by the inventory turnover ratio. MORE
Business / Finance / Notice Day: A day on which notices of intent to deliver pertaining to a specified delivery month may be issued. Related: Delivery notice. MORE
Lifestyle / Holiday / New Years Day: The tradition of ringing in the new year began from the Roman God Janus, who had two faces - one for looking forward the other for looking backward. Julius Caesar, the Roman emperor, decided that the MORE