winter and summer

daynight saving time, the practice of setting the clocks forward one hour from Standard Time during the summer months

Ronald Joseph Archulli, former chairman of Hong Kong Exchanges and Clearing, Non-official Members Convenor of the Executive Council of Hong Kong and a senior partner at King & Wood Mallesons

Hawaii

summer

summer day

Xia dynasty

noun; Chinese herb, named as Selfheal

Charlotte

Havana, capital of Cuba

describes wasted and ineffective efforts when doing things not according to the needs; literally: stove in summer and fan in winter

Krebs cycle; Tricarboxylic Acid Cycle; Citric Acid Cycle

Dragon Boat Festival

Summer Solstice

Xia Yan

Xiamen, place in China

summer time

Ningxia

four seasons

one turns to those who are helpful but not pleasing in times of needs, but turns to those who are pleasing but not helpful in troublefree times [written and colloquial]

Jiangxia Station, a metro station in Guangzhou, China

scorching summer

midsummer

Huaxia

Lancashire Road; a street in Kowloong Tong, Hong Kong