This itinerary covers Chiang Kai Shek Memorial Hall, Nanmen Market, Ximending, Longshang Temple, Hua Xi Night Market, Guangzhou Night Market, Wuzhou Night Market and Xichang Night Market.
Opening hours is based on what I find online and may be inaccurate
Morning
1. Travel by MRT to Chiang Kai Shek Memorial MRT Station | Map
2. Visit the Chiang Kai Shek Memorial Hall | Site Info | Map
Opening Hours: Daily, 9am to 6pm
3. Watch the changing of guards
Daily, once every hour, starting from 10am to 6pm
4. Visit the nearby Nanmen Market | Site Info | Map
Opening Hours: 7:30am - 6:30pm
Noon
5. Travel by MRT to Ximen MRT Station | Map
6. Have Lunch in Ximending (Recommendation: Ah Zhong Mian Xian)
Afternoon
7. Shopping in Ximending | Site Info | Map
Opening Hours: Mon to Thu, 11am to 10:30pm. Fri to Sun, 11am to 11pm
8. Shopping in Ximen Station Shopping Mall
Opening Hours: Mon to Thu, 11am to 10:30pm. Fri to Sun, 11am to 11pm
Late Afternoon9. Travel by MRT to Longshan Temple MRT Station | Map
10. Shopping at Underground Shopping Bazaar | Site Info | Map
Evening
11. Visit Longshan Temple | Site Info | Map
Opening Hours: Daily, 6am to 10pm
12. Have Dinner at any one of surrounding Night Markets
Night
13. Shopping in Hua Xi Night Market | Site Info | Map
Opening Hours: Daily, 4pm to 12am
14. Shopping in Guangzhou Night Market| Site Info | Map
Opening Hours: Daily, 4pm to 12am
15. Shopping in Xichang Night Market | Site Info | Map
16. Shopping in Wuzhou Night Market | Site Info | Map
Opening Hours: Daily, 4pm to 12am