The health code does not show the valid time in Guangzhou.

System delay. Guangzhou, referred to as "Guangzhou", also known as Yangcheng and Huacheng, is a prefecture-level city and the capital of Guangdong Province. Guangzhou health code does not show the effective time, which belongs to system delay. You need to reopen the health code to check the effective time. "Health Code" is a tracking and judging system of personal health information and activity information used for epidemic prevention and control in COVID-19.