Greenwich noon

简明释义

格林正午

英英释义

例句

1.Scientists often refer to Greenwich noon (格林威治正午) when discussing universal time standards.

科学家在讨论全球时间标准时常常提到Greenwich noon（格林威治正午）。

2.Travelers often use Greenwich noon (格林威治正午) as a reference point when crossing time zones.

旅行者在跨越时区时常常使用Greenwich noon（格林威治正午）作为参考点。

3.When scheduling international meetings, it's crucial to convert local times to Greenwich noon (格林威治正午) for clarity.

在安排国际会议时，转换当地时间为Greenwich noon（格林威治正午）以确保清晰是至关重要的。

4.The clock in the observatory is set to Greenwich noon (格林威治正午) to maintain synchronization with global time.

天文台的钟表设置为Greenwich noon（格林威治正午），以保持与全球时间的同步。

5.The ship's captain adjusted the sails according to the time marked as Greenwich noon (格林威治正午) to ensure accurate navigation.

船长根据标记为Greenwich noon（格林威治正午）的时间调整了帆，以确保航行的准确性。

作文

The concept of time is fundamental to our daily lives, yet its measurement can often be complex and nuanced. One pivotal point in the history of timekeeping is the establishment of Greenwich noon, a term that refers to the time at which the sun is at its highest point in the sky at the Prime Meridian, located in Greenwich, London. This moment is not only significant for navigation and astronomy but also serves as a reference point for the entire world’s time zones.In the 19th century, as the world became increasingly interconnected through trade and communication, the need for a standardized time system became apparent. Before the adoption of Greenwich noon as a global reference, local mean time was used, which varied from one location to another. This inconsistency led to confusion, particularly with the advent of the railway system, where precise scheduling was critical. The introduction of Greenwich noon as the basis for Coordinated Universal Time (UTC) helped to resolve these issues by providing a uniform standard that all countries could adopt.Understanding Greenwich noon involves more than just knowing that it marks midday in Greenwich. It signifies the moment when the sun crosses the Prime Meridian, which is crucial for sailors and aviators who rely on accurate timekeeping for navigation. The significance of this moment can be appreciated through the lens of both science and history. For example, the Royal Observatory in Greenwich has been instrumental in the development of timekeeping technologies, such as the marine chronometer, which allowed sailors to determine their longitude at sea accurately.Moreover, Greenwich noon plays a vital role in the way we perceive time today. The world is divided into 24 time zones, each typically one hour apart from UTC, which is based on Greenwich noon. This division of time allows for synchronization across different regions, facilitating international business, travel, and communication. Without this standardization, coordinating activities across time zones would be incredibly challenging.Additionally, the impact of Greenwich noon extends beyond practical applications; it has influenced cultural perceptions of time. For instance, many people use the phrase "It's five o'clock somewhere" to illustrate the relativity of time in different zones. This reflects a broader understanding that time is not just a rigid measure but a flexible concept shaped by human activity and societal norms.In conclusion, Greenwich noon is much more than just a marker of time; it represents a significant advancement in our understanding and management of time as a global society. From its historical roots in the 19th century to its modern applications in navigation and international relations, Greenwich noon serves as a critical reference point that continues to influence how we organize our lives. As we move forward in an ever-connected world, the importance of this concept will undoubtedly remain, reminding us of the intricate relationship between time and human civilization.

时间的概念对我们的日常生活至关重要，但其测量往往复杂而微妙。格林威治正午这一术语在时间测量历史上具有重要意义，指的是太阳在位于伦敦格林威治的本初子午线最高点时的时刻。这个时刻不仅对导航和天文学具有重要意义，而且作为全球时间区的参考点。在19世纪，随着世界通过贸易和通信变得日益互联，标准化时间系统的需求变得明显。在采用以格林威治正午为全球参考之前，各地使用的是当地平均时间，这在不同地点之间有所不同。这种不一致导致了混乱，特别是在铁路系统出现时，精确的调度至关重要。将格林威治正午引入协调世界时（UTC）作为标准，帮助解决了这些问题，为所有国家提供了一个统一的标准。理解格林威治正午不仅仅是知道它标志着格林威治的正午。它意味着太阳穿越本初子午线的时刻，这对依靠准确时间进行导航的水手和飞行员至关重要。从科学和历史的角度来看，这一时刻的重要性不言而喻。例如，格林威治皇家天文台在时间测量技术的发展中发挥了重要作用，例如海洋计时器，使水手能够准确确定海上的经度。此外，格林威治正午在我们今天对时间的感知中发挥着重要作用。世界被划分为24个时区，每个时区通常与UTC相差一个小时，这是基于格林威治正午的。这种时间的划分使得不同地区之间的同步成为可能，促进了国际商务、旅行和沟通。如果没有这种标准化，在时区之间协调活动将是极具挑战性的。此外，格林威治正午的影响超越了实际应用；它影响了人们对时间的文化认知。例如，许多人使用“某处是五点钟”这个短语来说明不同时区时间的相对性。这反映了人们对时间的更广泛理解，即时间不仅仅是一个严格的度量，而是一个受到人类活动和社会规范影响的灵活概念。总之，格林威治正午不仅仅是时间的标记；它代表了我们作为全球社会在理解和管理时间方面的重要进步。从19世纪的历史根源到现代在导航和国际关系中的应用，格林威治正午作为一个关键的参考点，继续影响着我们组织生活的方式。随着我们在一个日益互联的世界中前进，这一概念的重要性无疑将继续存在，提醒我们时间与人类文明之间的复杂关系。