Jisho

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たいせいようひょうじゅんじ 大西洋標準時
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Noun
1. Atlantic Standard Time; AST​
Wikipedia definition
2. Atlantic Standard Time Zone​The Atlantic Standard Time Zone (AST) is a geographical region that keeps time by subtracting four hours from Coordinated Universal Time, resulting in UTC-4. The clock time in this zone is based on the mean solar time of the 60th meridian west of the Greenwich Observatory. In Canada, the provinces of New Brunswick and Nova Scotia reckon time specifically as an offset of 4 hours from Greenwich Mean time.
Read “Atlantic Standard Time Zone” on English Wikipedia
Read “大西洋標準時” on Japanese Wikipedia
Read “Atlantic Standard Time Zone” on DBpedia

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