https://www.cnsa.gov.cn/english/n6465652/n6465653/c10523137/content.html
"Wang Qiong, a deputy chief designer of the Chang'e 6 mission, said there will be a host of challenges and uncertainties during the 53-day expedition, adding that Chinese scientists and engineers have made efforts to work out the best available solutions."
Resolves Yes if the mission takes longer than 60 days. Resolves No if mission fails or takes less than 60 days.
59 days, 23 hours, 59 mins and 59 seconds is less than 60 days.
Local timeszones will be used if it's close.
This market closes on June 21
While China has not provided details, the Chang'e 6 lander and rover likely ceased operations when the ascent vehicle lifted off from atop the lander, blasting it with high-velocity exhaust
https://www.space.com/how-change-6-moon-rover-snapped-lander-photo
only "likely" hmm.