engineering

Warsaw meridian

Warsaw meridian is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Warsaw meridian rather than just read about it. In short: The Warsaw meridian (Polish: południk warszawski) is a meridian line running through Warsaw. The local mean time at the meridian was known as Warsaw Mean Time.

Key takeaways

Warsaw meridian belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Warsaw meridian to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Warsaw meridian from memory before moving on to harder problems.

Reference excerpt

The Warsaw meridian (Polish: południk warszawski) is a meridian line running through Warsaw. The local mean time at the meridian was known as Warsaw Mean Time. It corresponds to an offset from UTC of +01:24. It is marked as being located at 52°14′40″N 21°00′42″E (in accordance with the coordinate system used at that time). Coordinate values of the meridian which are engraved on a plate on the sidewalk differ from the current ones, the actual coordinates are 52°14′38.302963″N 21°00′33.036621″E. The column also contains information in Russian.

History In 1880, in the Theatre Square in front of the Jabłonowski Palace (then the city hall), a stone pillar was erected surrounded by an iron railing with a sign indicating the geographical location and the height above sea level and the level of Vistula. The Warsaw meridian passes through the top of the pillar and top of the clock tower of the Jabłonowski Palace, which served as point measurements. The plate on the sidewalk was constructed much later, in 1965. Four years after the construction of the column in Warsaw, Greenwich Mean Time effectively became the international standard for time calculation around the world based on the Prime meridian at Greenwich in London. The Meridian is featured in the 1965 film Pingwin (Penguin) starring Zbigniew Cybulski.

References

Illustrations

Worked examples

Example 1 — a first encounter with Warsaw meridian

Start with the simplest possible case. Write down what Warsaw meridian claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Warsaw meridian before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Warsaw meridian ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Warsaw meridian

In research: Warsaw meridian appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Warsaw meridian in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Warsaw meridian is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1880 establishments in the Russian Empire, 1880 in Poland, 1880 works, so understanding it makes those chapters shorter.
In everyday life: Look for Warsaw meridian outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Warsaw meridian in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Warsaw meridian means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Warsaw meridian out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Warsaw meridian in simple terms?

The Warsaw meridian (Polish: południk warszawski) is a meridian line running through Warsaw. The local mean time at the meridian was known as Warsaw Mean Time.

Why does Warsaw meridian matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Warsaw meridian?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Warsaw meridian.