science

Ordibehesht

Ordibehesht is a science 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 Ordibehesht rather than just read about it. In short: Ordibehesht‌ or Ardibehesht (Persian: اردیبهشت, Persian pronunciation: [oɾdiːbeˈheʃt / æɾdiːbeˈheʃt]) is the second month of the Zoroastrian calendar, which is used officially in Iran and Afghanistan and of the Solar Hijri calendar. It has 31 days.

Key takeaways

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

Reference excerpt

Ordibehesht‌ or Ardibehesht (Persian: اردیبهشت, Persian pronunciation: [oɾdiːbeˈheʃt / æɾdiːbeˈheʃt]) is the second month of the Zoroastrian calendar, which is used officially in Iran and Afghanistan and of the Solar Hijri calendar. It has 31 days. It begins on 21 April and ends on 21 May in the Gregorian calendar. The Dari name for the month is Saur or Sowr and the Afghan Pashto name for it is Ǧwayai. Its associated astrological sign in the tropical zodiac is Taurus. Ordibehesht is the second month of the spring season (Bahar), and is followed by the month of Khordad.

Events 13, S.H. 1265 – Haymarket affair (first police confrontation against workers' groups in Chicago) 4, S.H. 1294 – Landing at Anzac Cove (part of the Gallipoli campaign of World War I) 19. S.H. 1299 - Kiev Victory Parade (1920) 5, S.H. 1324 – National Liberation Committee declares war against the Nazi-backed Italian Social Republic 18, S.H. 1324 – End of World War II in Europe 1, S.H. 1346 – Coup d'état in the Kingdom of Greece 3, S.H. 1353 – Carnation Revolution (in the Portuguese Empire) 10, S.H. 1354 – Fall of Saigon (part of the Vietnam War) 7, S.H. 1357 – Saur Revolution 6, S.H. 1365 – Chernobyl disaster (in the Ukrainian SSR of the Soviet Union) 22, S.H. 1377 – Fall of Suharto (1998 riots in Indonesia following the Trisakti shootings; Suharto resigns as Indonesian president on 31 Ordibehesht) 26, S.H. 1382 – 2003 Casablanca bombings (series of suicide bombings by Muslim militants in Morocco)

Holidays 1, 9 and 12 Ordibehesht – Ridván 4/5 Ordibehesht – Freedom Day (Portugal) 5/6 Ordibehesht – Anzac Day and Liberation Day (Italy) 10 Ordibehesht – Persian Gulf National Day 11 or 12 Ordibehesht – International Workers' Day and U.S. Loyalty Day 15 or 16 Ordibehesht - Star Wars Day 18 or 19 Ordibehesht – Victory in Europe Day 19 or 20 Ordibehesht– Victory Day (9 May), Europe Day Final Saturday – U.S. Armed Forces Day

Deaths Day 2, S.H. 1373 – Richard Nixon, 37th president of the United States Day 17, S.H. 1391 – Iraj Ghaderi, Iranian film director and actor Day 24, S.H. 1392 – Mohammad Ezodin Hosseini Zanjani, Iranian Twelver Shia cleric Day 30, S.H. 1403 – Ebrahim Raisi, 8th president of the Islamic Republic of Iran

References

Worked examples

Example 1 — a first encounter with Ordibehesht

Start with the simplest possible case. Write down what Ordibehesht claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Ordibehesht 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 Ordibehesht 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 Ordibehesht

In research: Ordibehesht appears in science 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 Ordibehesht 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: Ordibehesht is common in secondary-school and first-year university syllabi. It links to neighbouring topics Iran stubs, Months of the Iranian calendar, Unit of measurement stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Ordibehesht 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 Ordibehesht in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Ordibehesht 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 Ordibehesht out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Ordibehesht in simple terms?

Why does Ordibehesht matter?

Because it connects several science 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 Ordibehesht?

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 Ordibehesht.