Great but needs summer (DST) time adjustment
I rate this with five stars because using the sun the app seems to work perfectly. Users who state the application doesn’t work simply haven’t followed the instructions and/or don’t understand how a sun compass works.
Using the moon, however, the application seems to be off. It is daylight savings (summer) time where I live. It appears that the summer time adjustment for the moon function is in the wrong direction, resulting in a net two-hour difference. If I set the time on my iPod Touch to be two hours earlier, the moon function seems to find north correctly.
I confirmed this using the free “Moon.” app from CDV Concepts, which shows the moon’s location on the points of the compass. This app therefore can also be used to find north from the position of the moon.
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Sun Compass