To 11 ports; the busiest crossings are to Chizhou (14 hours, once a month, mid-March to early June and late August to mid-November), Wuhan (14½ hours, once a month, late March to mid-June and early September to late November), Nanjing (37½ hours, once a month, mid-March to early June and late August to mid-November), Yueyang (38 hours, once a month, late March to mid-June and early September to late November), Yangzhou (2½ days, once a month, mid-March to early June and late August to mid-November), Jingzhou (2½ days, once a month, late March to mid-June and early September to late November), Shanghai (3½ days, once a month, mid-March to early June and late August to mid-November) and Maoping (4 days, once a month, late March to mid-June and early September to late November).