In the lines of the
sun.txt file: 78-80, 267-269, 633, 634, 809-811, 998-1000, 1174-1176, 1363-1365, 1539-1541, 1728-1730, 1905, 1906, 2094, 2095 , 2270, 2271, 2459, 2460, there was no minus sign before the minutes of declination of the sun, which led to erroneous UT readings of the sextant. This error was quite difficult to spot in testing as it only affects a few days in each year: late September and late March. Link to
updated sun.txt file, which fixes the above errors:
https://drive.google.com/file/d/1cw6...ew?usp=sharing
Replace with this file the corresponding file in the root folder with the game.