Extracted text: For zero hours (Oh) GCT, June 19 and 20, 1977, the sun's apparent declinations are N23°25.1' and N23°25.9', respectively. If the difference in declination for one hour between the two given periods is 0.03', what is the sun's apparent declination and polar distance if the observation was made at 9:35 AM, 19 June 1977 along 120° East longitude. felleu..i