standard time

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the official time in a local region (adjusted for location around the Earth);
established by law or custom
• Syn:
civil time, local time
• Hypernyms:
time
• Hyponyms:
Atlantic Time, Atlantic Standard Time, Eastern Time, Eastern Standard Time, EST,
Central Time, Central Standard Time, CST, Mountain Time, Mountain Standard Time, MST,
Pacific Time, Pacific Standard Time, PST, Alaska Standard Time, Yukon Time, Hawaii Time,
Hawaii Standard Time, Bering Time, Bering Standard Time