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julian date is recommended for astronomical use by the international astronomical union .
for example, the julian date for 00:30:00.0 ut january 1, 2013, is 2,456,293.520833.

julian days begin at noon because when herschel recommended them, the astronomical day began at noon (it did so until 1925).
julian days begin at noon because when herschel recommended them, the astronomical day began at noon.

(as recommended by the new york times; flora annie steel book review, february 20, 1909, نیویورک تایمز.
(as recommended by the new york times; flora annie steel book review, february 20, 1909, new york times.

the air navigation commission (anc) is the technical body within icao. the commission is composed of 19 commissioners, nominated by the icao's contracting states and appointed by the icao council. commissioners serve as independent experts, who although nominated by their states, do not serve as state or political representatives. international standards and recommended practices are developed under the direction of the anc through the formal process of icao panels. once approved by the commissi
the air navigation commission (anc) is the technical body within icao. the commission is composed of 19 commissioners, appointed by the icao's contracting states and appointed by the icao council. commissioners serve as independent experts, who although proposed by their states, do not serve as state or political representatives. international standards and recommended practices are developed under the direction of the anc through the formal process of icao panels. once approved by the commissi