The time in China follows a single standard time offset of UTC+08:00 (eight hours ahead of Coordinated Universal Time), despite China spanning five geographical time zones. The official national standard time is called Beijing Time (Chinese: ) domestically and China Standard Time (CST) internationally. Daylight saving time has not been observed since 1991.
is beijing and shanghai the same time zone?
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Answer: yes

The taste and texture of different varieties of American cheese vary considerably. Depending on the food manufacturer, the color of the cheese (orange, yellow, or white) may indicate different ingredients or processes. Typically, yellow to orange American cheese is made with cheeses (such as Cheddar or Colby cheese) that are seasoned with annatto, while white American cheese is made with cheeses (such as White Cheddar or Jack cheese) which do not contain annatto.
is there a difference between yellow and white american cheese?
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Answer: yes

Puerto Rico (Spanish for ''Rich Port''), officially the Commonwealth of Puerto Rico (Spanish: Estado Libre Asociado de Puerto Rico, lit. ''Free Associated State of Puerto Rico'') and briefly called Porto Rico, is an unincorporated territory of the United States located in the northeast Caribbean Sea.
is puerto rico part of the united state?
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Answer:
yes