IRL Before GPS, it was the Navigator's task to be on deck with the sextant for his call to prayer, five times per day:
Twilight sextant sights are best made between:
Nautical twilight: Sun 12° below horizon.
Civil Twilight: Sun 6° below horizon.
1) Morning twilight
2) Morning Sun sight
3) Noon Sun sight
4) Afternoon Sun sight
5) Evening twilight
As mentioned above, doing that in game will wear you out, especially if using math sight reduction methods, let alone the time consumption.
Cheers,
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During times of universal deceit, telling the truth becomes a revolutionary act.
~ George Orwell
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