Time: UTC; GMT; DST; Cst

GMT time
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-GMT (Greenwich Mean Time, abbreviated as G.M.T)


UTC time
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-World coordination Time (coordinated Universal)
-also known as the world Standard Time, the world unification time, takes GMT GMT as the prevail
-UTC and GMT time are almost identical


DST time
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-Summer savings (Daylight Saving time (abbreviated as D.S.T.)
-In the summer, when the sun rises earlier, the clock is set one hour faster to use early daylight, and in the UK it is called Daylight Saving time (Summer time);
-this practice is cited by some 70 countries around the world, mainly in Europe and North America. is currently divided into two


CST Time
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-CST can also represent the following 4 different time zones:
Central Standard Time (USA) ut-6:00
Central Standard Time (Australia) ut+9:30
China Standard Time ut+8:00
Cuba Standard Time ut-4:00

So CST can also represent the standard time in four countries of the United States, Australia, China, and Cuba.

Time: UTC; GMT; DST; Cst