Answered by Mr.Jamie
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Jul. 11, 2009 21:36
Sorry Olovsson, I wrongly calculate the lunar date of July 22.the tide on that day should be at 11:50 (1st and 16st day of every lunar month, summer: 11:50 tide, 23:45 night tide). It also depends on where you stay to observe. Yanguan is the front area and Xiasha is 1h28m later.