Health scientists are becoming more and more interested in the citrulline content of watermelon. Citrulline is an amino acid that is commonly converted by our kidneys and other organ systems into arginine (another amino acid). The flesh of a watermelon contains about 250 millligrams of citrulline per cup.
The Julian day or Julian day number (JDN) is the number of days that have passed since the initial epoch defined as noon Universal Time (UT) Monday, January 1, 4713 BC in the Julian calendar. That noon-to-noon day is counted as Julian day 0. Thus the multiples of 7 are Mondays.
Note that the Julian day for 1907 is 13 calendar days difference, which continued to be used from 1582 until the complete conversion of the Gregorian calendar was entirely done in 1929. July 21 â The SS Columbia sinks after colliding with the lumber schooner San Pedro off Shelter Cove, California, U.S.A., resulting in 88 deaths. 2  July 24 â The JapanâKorea Treaty of 1907 brings the government and military of the protectorate of Korea more firmly under Japanese control.