9-11 pm (in the system of two-hour subdivisions used in former times)

Year 12, year of the Boar (e.g. 2007)

twenty-fourth year D12 of the 60 year cycle, e.g. 2007 or 2067

twelfth year B12 of the 60 year cycle, e.g. 1995 or 2055

thirty-sixth year F12 of the 60 year cycle, e.g. 1959 or 2019

sixtieth year J12 of the 60 year cycle, e.g. 1983 or 2043

forty-eighth year H12 of the 60 year cycle, e.g. 1971 or 2031; cf 辛亥革命[Xin1 hai4 Ge2 ming4], Xinhai Revolution of 1911