18. On 17 April your vessel is enroute from the Panama Canal to Kobe, Japan. Your 0400 zone time DR position is LAT 26°12.0'N, LONG 126°12.0'W. Your vessel is on course 285°T at a speed of 18 knots. What will be the zone time of sunrise at your vessel?

Sunrise occurs at 0602 zone time. This is determined by finding the local mean time from the Nautical Almanac for the given latitude and date, then adding the longitude difference (approximately 25 minutes) to account for the ship's position west of the zone meridian.