Despite resetting information from the Casio and Casio forums, it is not possible to correct the time for sun and tides. Daylight saving time seems to work only for the main time function, the location seems correct. Daylight Saving Time has been automatically corrected for Daylight Saving Time, but not for the features described above. A Casio representative offered information for a solution, the watch is not happy with this problem. You seem to need a software update.
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