HKSAR cooperates with mainland in development of Joint Atomic Time
Under Secretary for the Environment and Ecology Diane Wong Shuk-han (second right); Director of the National Time Service Center (NTSC) Zhang Shougang (second left); Director of the Hong Kong Observatory (HKO) Chan Pak-wai (first right); and researcher fellow of the NTSC Yuan Haibo (first left) officiate at the plaque-unveiling ceremony for the Hong Kong Station…