To 10 ports; the busiest crossings are to Wuhan (23½ hours, once a month, mid-March to early June and late August to mid-November), Maoping (26 hours, once a month, late March to mid-June and early September to late November), Jiujiang (43½ hours, once a month, mid-March to early June and late August to mid-November), Fengjie (2 days, once a month, late March to mid-June and early September to late November), Chizhou (3 days, once a month, mid-March to early June and late August to mid-November), Fengdu (3 days, once a month, late March to mid-June and early September to late November), Chongqing (4 days, once a month, late March to mid-June and early September to late November) and Nanjing (4 days, once a month, mid-March to early June and late August to mid-November).