Please advise how to get to bus 307 from Citadines Central Xian hotel and bus schedule on Sunday?

When you get out of your hotel, you may walk 200 meters southwards along Zhubashi and then turn left to Fenxiang for 140 meters. Then you may find the Fenxiang Bus Stop and take bus no.501 to SEG Computer City Bus Stop. Afterwards, you need to walk 10 meters backwards to find the bus stop of bus no.307. This bus operates during 06:30 to 18:30 heading for Terra-cotta Warriors.