CELESTIAL-L1.3

Time: UT, zone time and LMT

CELESTIAL-M1 · Foundations: sphere, time and almanac · CELESTIAL-M1-A Why astro still matters, what the exams demand, and the coordinates, time and almanac work every sight rests on.

A four-second timing error moves your position line up to **one mile** east or west. Get the clock right before you pick up the sextant.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. The MCA 'Celestial Navigation' examination must be sat at an MCA-approved examination centre, and the Yachtmaster Ocean certificate is awarded only by the RYA after its own oral and written examination. AI-drafted content pending subject-matter-expert review.