one hour è±[wʌn ˈauə] ç¾[wʌn aʊr] [è¯å ¸] ä¸å°æ¶; [ä¾å¥]The tidal predictions are expressed in Greenwich Mean Time. Add one hour for British Summer Time æ½®æ±é¢æ¥ç¨çæ¯æ ¼æ尼治æ åæ¶é´ãè±å½å¤ä»¤æ¶è¦å¨æ åæ¶åºç¡ä¸å ä¸å°æ¶ã