Rizhao, a prefecture-level city in [[山东省|山東省|shan1 dong1 sheng3]] Province

A plant that requires a daily period of light shorter than a certain critical length, typically less than 10 hours, in order to flower.

Any mammal that enters its breeding season in the autumn as the hours of daylight decrease; examples include sheep, goats, and deer.deer

An animal that enters its breeding season or mating period during the spring as the hours of daylight gradually increase

A plant that only flowers when the daily period of light is longer than a certain threshold, usually more than 12 hours.

average annual sunshine hours

The legal right to receive direct sunlight. This is typically invoked when neighboring buildings or other structures are built too high or too close, blocking natural light from a property.