2. 6 o'clock at the earliest and 5: 30 at the latest.

The bus from Dalian to Panjin has three destinations.

Panjin Bus Terminal, in Xinglongtai, take bus 1 to the railway station turntable to install a minibus. Give him 15 yuan at most if he takes a taxi for more than 20 minutes, or 18 yuan if he calls the meter.

Panshan passenger station, opposite the railway station, does not need to change.

Oil field passenger station, in Xinglongtai, take bus No.8 to the railway station turntable, take a taxi 15 minutes, give him 15 yuan at most, and put a meter 15 yuan.