Translation guide
Universal time (UT) is a time standard based on the Earth's rotation. In Japanese, it is typically referred to using the English-derived term or the full Japanese translation. This entry covers how to express the concept in various contexts.
The general concept of universal time as a time standard.
The standard Japanese translation for 'universal time'. Used in scientific and general contexts.
世界時は地球の自転に基づいています。
Universal time is based on the Earth's rotation.
The English term 'universal time' written in katakana. Commonly understood, especially in technical or international contexts.
ユニバーサルタイムで会議の時間を設定しましょう。
Let's set the meeting time in universal time.
The abbreviation 'UT' is used in technical writing, but it is less common in everyday speech. Pronounced as the letters U and T.
このデータはUTで記録されています。
This data is recorded in UT.
The primary time standard by which the world regulates clocks and time, often used interchangeably with universal time in modern contexts.
The full Japanese term for Coordinated Universal Time (UTC). Used in official and technical contexts.
協定世界時は原子時計に基づいています。
Coordinated Universal Time is based on atomic clocks.
The abbreviation 'UTC' is widely recognized in Japan, especially in digital contexts. Pronounced as the letters U, T, C.
日本標準時はUTCより9時間進んでいます。
Japan Standard Time is 9 hours ahead of UTC.
世界時 (universal time) is based on Earth's rotation, while 協定世界時 (UTC) is based on atomic time and is the modern standard. In many contexts, UTC is what people mean by 'universal time'. Use 協定世界時 or UTC for precision.
世界時と協定世界時はわずかに異なります。
Universal time and coordinated universal time differ slightly.