Tables of sunrise, sunset, and twilight
By: Issued by the Nautical Almanac Office, United States Naval Observatory under the authority of the Secretary of the Navy
Series: Its American ephemeris -- 1946. Supplement; American ephemeris and nautical almanac -- 1946. Supplement
Publisher: U.S. Govt. Print. Off.
Published: 1945
Place of publication: Washington
Language: eng
Number of pages: 196
Subjects: Rising and setting; Twilight