Is Yancheng Zhengtai 42 years old or 42 years old?

42 years old. According to China's labor law, employees must be recruited by age, not by nominal age. Therefore, Zheng Tai in Yancheng is 42 years old. One-year-old refers to the actor's full-time age calculated by the Gregorian calendar year, month and day according to international practice, rather than the "nominal age" calculated by the folk lunar calendar or other calendars.