- From the daily page of the Nautical Almanac, extract the LMT for the latitude, which is the next numeral smaller than the observer’s latitude;
- Extract the LMT for the latitude, which is the next numeral higher than the observer’s latitude;
- Calculate the difference between the above LMTs, and use Table I in the back of the Nautical Almanac to obtain the correction for observer’s latitude;
- Apply the above latitude correction (3) to the LMT in (1) to obtain the LMT for the observer’s latitude;
- Apply the longitude in time to the LMT (4) to obtain UTC.
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