# 5, in my most recent post, should say: .
To determine the hour-angle of the mean-Sun: . 1. Convert the minutes in the LMT to a fraction of an hour. . 2. Subtract 12 hours from the LMT, or add 12 hours to the LMT…whichever gives a number between 0 & 24. . 3. Multiply the result by 15. ----------------------- The reason for this correction is that I’d forgotten that hour-angle & time are reckoned from different starting-points: Hour angle is measured from the meridian (in the south)… …& time is measured from the anti-meridian. i.e. from when the Sun or the mean-Sun is at the anti-meridian.
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