April 22
14:00 ~ 22:00	Registration
20:00 ~ 21:30	SIGSPATIAL China Chapter Executive Committee Working Meeting (Internal Meeting)
April 23
8:30 ~ 8:50	Opening Ceremony
8:50 ~ 9:35	Keynote 1: Huadong Guo (Academician of Chinese Academy of Sciences, Aerospace Information Research Institute)
9:35 ~ 10:20	Keynote 2: Hui Lin (Academician of the International Eurasian Academy of Sciences, Dean of School of Geography and Environment of Jiangxi Normal University)
10:20 ~ 10:50	Group Photo and Coffee Break
10:50 ~ 12:30	Forum 1: Big Earth Data and the Topic on United Nations SDG	Forum 2: Spatial Intelligent Computing
12:30 ~ 13:30	Lunch
13:30 ~ 14:15	Keynote 3: Renzhong Guo (Academician of Chinese Academy of Engineering, Dean of Research Institute for Smart Cities of Shenzhen University)
14:15 ~ 15:00	Keynote 4: Christian S. Jensen (Fellow of European Academy of Engineering, ACM/IEEE Fellow, Aalborg University, Denmark)
15:00 ~ 15:10	SIGSPATIAL 2021 GIS CUP Competition Data Release
15:10 ~ 15:40	Coffee Break
15:40 ~ 17:20	Forum 3: Social Geographical Computing	Forum 4: Spatial-temporal Data Management
18:30 ~ 20:30	Dinner
April 24
8:30 ~ 10:10	Forum 5: Blockchain and Data Services	Forum 6: Urban Computing
10:10 ~ 10:40	Coffee Break
10:40 ~ 11:00	SIGSPATIAL China Chapter Liscensing Ceremony
11:00 ~ 11:45	Keynote 5: Yunhao Liu (ACM/IEEE Fellow, Dean of Global Innovation Exchange of Tsinghua University)
11:45 ~ 12:30	Keynote 6: Prof. Jianwei Yin (Winner of the National Science Fund for Distinguished Young, Associate Dean of College of Computer Science and Technology of Zhejiang University)
12:30 ~ 13:30	Lunch
13:30 ~ 15:00	Paper Poster
15:00 ~ 15:30	Coffee Break
15:30 ~ 17:10	Forum 7: Location-based Services and Smart Travel	Forum 8: Rising Star Award and Doctorial Dissertation Award Special Session
17:10 ~ 17:30	Closing Ceremony