 ... mean noon. The civil day begins twelve hours before the astronomical day; therefore the first period of the civil day answers to the last part of the preceding astronomical day, and the last period of the civil day corresponds to the first part of...  The American Ephemeris and Nautical Almanac - Page 494by United States Naval Observatory. Nautical Almanac Office - 1872Full view - About this book
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1852 - 580 pages
...The civil day begins twelve hours before the astronomical day ; therefore the first part of the civil day answers to the last part of the preceding astronomical day, and the last part of the civil day to the first part of the same astronomical day. Thus, January 10th, 2h- AM, civil day, is... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1892 - 578 pages
...civil day begins twelve hours before the astronomical day; therefore the first period of the civil day answers to the last part of the preceding astronomical day, and the lust period of the civil day corresponds to the first part of the same astronomical day. Thus, January... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1865 - 572 pages
...begins twelve hourj baforo the astronomical day ; therefore the first part of the civil day answer.! to the last part of the preceding astronomical day, and the last part of the civil day to the first part of tho same astronomical day. Thus, January 10th, 2h- A. M, civil day,... | |
 | Nautical almanacs - 1867 - 866 pages
...The civil day begins twelve hours before the astronomical day ; therefore the first part of the civil day answers to the last part of the preceding astronomical day, and tho last part of the civil day to tho first part of tho same astronomical day. Thus, January 10th,... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1868 - 562 pages
...civil day answers to the last part of the preceding astronomical day, and the last part of the civil day to the first part of the same astronomical day. Thus, January 9th, 2h А. Ы., civil lime, is January 8th, 141', astronomical time; and January 9th, 21' PM( civil time,... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1870 - 566 pages
...The civil day begins twelve hours before the astronomical day; therefore the first part of the civil day answers to the last part of the preceding astronomical...day to the first part of the same astronomical day. Tluis, January 9th, 2U AM, civil time, is January 8th, 14h, astronomical time; and January 9th, 2h... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1870 - 550 pages
...civil day answers to the last part of the preceding astronomical day, and the last part of the civil day to the first part of the same astronomical day....Thus, January 9th, 2h AM, civil time, is January 8th, 14U, astronomical time; and January 9th, 2h PM, civil time, is also January 9th, 2h, astronomical time.... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1876 - 550 pages
...civil day answers to the last part of the preceding astronomical day, and the last part of the civil day to the first part of the same astronomical day....January 8th, 14h, astronomical time ; and January 9th, 21' PM, civil time, is also January 9th, 21', astronomical time. The rule, then, for the transformation... | |
 | United States Naval Observatory. Nautical Almanac Office - Nautical almanacs - 1878 - 550 pages
...civil day answers to the last part of the preceding astronomical day, and the last part of the civil day to the first part of the same astronomical day. Thus, January 9th, 2h AM, civil time, is January 8lh, 14h, astronomical time; and January 9th, 2h PM, civil time, is also January 9th, 2h, astronomical... | |
 | United States. Congress. House - United States - 1885 - 558 pages
...civil day begins twelve hours before the astronomical day; therefore the first period of the civil day answers to the last part of the preceding astronomical day, and the last period of the civil day corresponds to the first part of the same astronomical day. Thus, January 9th,... | |
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