ECZ 2026 · GCE Paper 1 — Earth Geometry
In the diagram, NS is the Prime Meridian. The positions of towns A and B are (30°S, 30°W) and (30°N, 30°W) respectively. If the local time at B is 09 35 hours, what is the local time at the Prime Meridian?
- A. 07 35 hours
- B. 10 05 hours
- C. 11 35 hours
- D. 12 35 hours
Verified working — step 1
Local time changes by 1 hour for every 15° of longitude, and places further EAST are ahead (the sun reaches them first). The Prime Meridian (0°) is 30° east of B.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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