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astronomy

Nepal Sambat

Nepal Sambat is a astronomy 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 Nepal Sambat rather than just read about it. In short: Nepal Sambat (Newar: 𑐣𑐾𑐥𑐵𑐮 𑐳𑐩𑑂𑐧𑐟‎, nepāla samvat, meaning "Nepal Era") is the lunisolar calendar used by the Newar people of Nepal. It was the official calendar of Nepal since its inception on 20 October 879 till the end of the Malla dynasty in 1769.

Nepal Sambat — main illustration
Nepal Sambat — illustration

Key takeaways

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

Reference excerpt

Nepal Sambat (Newar: 𑐣𑐾𑐥𑐵𑐮 𑐳𑐩𑑂𑐧𑐟‎, nepāla samvat, meaning "Nepal Era") is the lunisolar calendar used by the Newar people of Nepal. It was the official calendar of Nepal since its inception on 20 October 879 till the end of the Malla dynasty in 1769. During the period, Nepal Sambat appeared on coins, stone and copper plate inscriptions, royal decrees, chronicles, Hindu and Buddhist manuscripts, legal documents and correspondence. After the conquest of Nepal by the Shahs in 1769, the official calendar of the country was replaced with Shaka era and then later by the Bikram Samvat. The calendar still holds cultural significance in Nepal, especially among the Newar people, whose festivals are based on this calendar system. Owing to its cultural and historical significance, the government of Nepal declared to include Nepal Sambat in official government documents alongside Vikram Sambat since 11 November 2023. The origin of Nepal Sambat is often the subject of folklore like that of Sankhadhar Sakhwa, a semi-legendary figure who often appears in folklore as the progenitor of the calendar system. However, its historical origins still remain a mystery.

History Nepal Sambat was established on 20 October 879 when Rāghavadeva was ruling Nepal. The origins of the calendar system however remains a mystery. Many experts have theorized on its origin but there is yet to be a theory that is unanimously agreed upon by experts. A 14th century chronicle states that a new era was dedicated to Pashupati during the reign of Rāghavadeva leading some historians like Petech to theorize that the foundation of the new era is related to the completion of a sacred event related to Pasupati. Historian Baburam Acharya suggests that Rāghavadeva started the Nepal Sambat to commemorate the foundation of the Thakuri dynasty and the end of the Licchavi dynasty. Art Historian Pal does not theorize on the era's origin but suggests that the establishment of a new era named after the country indicated a growing sense of national identity among the native Newar people in the 9th century. Orientalist Sylvain Lévi suggests that Nepal Sambat was derived from the Shaka era by deducting 800 from the latter because "(sic) the number 8 is considered inauspicious by the Nepalese". Modern historian do not accept this claim as the Shaka era is 801.7 years ahead of Nepal Sambat. Lévi also theorized that Nepal Sambat was started to celebrate Nepal's autonomy from the Tibetan Empire following the murder of Langdarma, a claim which is also rejected by modern historians as the murder occurred in 842 CE. Nepalese Historian Gautama V. Vajracharya suggests a similar theory to Lévi, suggesting that Nepal Sambat did derive from Shaka era. He posits that Nepal Sambat was established when the Shaka era reached year 801, following the historical practice of lokakāla, where a new era was established by resetting the year count to 1 after the completion of a century.

Sankhadhar Sakhwa However, the most prevalent theory about the origin of the calendar system is that of Sankhadhar Sakhwa. According to the local folklore, Nepal Sambat was started by a merchant named Sankhadhar Sakhwa (Newar: 𑐳𑐒𑑂𑐏𑐢𑐬 𑐳𑐵𑐏𑑂𑐰𑐵𑑅‎) to commemorate the day when he cleared the debts of people of Nepal Valley. According to the folklore, an astrologer from Bhaktapur predicted that the sand at the confluence Bhacha Khushi and Bishnumati River in Kathmandu would transform into gold at a certain moment, so the king sent a team of workers to Kathmandu to collect sand from the spot at the special hour. A local merchant named Sankhadhar Sakhwa saw them resting with their baskets of sand at a traveler's shelter at Maru before returning to Bhaktapur. Believing that the sand to be unusual if the workers were gathering it, he convinced them to give it to him instead. The next day, Sakhwa discovered his sand had turned to gold, while the king of Bhaktapur was left with a pile of ordinary sand which his porters had dug up after the auspicious hour had passed. Sankhadhar used the gold to repay the debts of the Nepali people. Several sources from the Malla Dynasty even refer to the calendar system after Sakhwa; a manuscript from 1645 (NS 766) refer to the era as, Samvat Sankudatta after Sankhwa, a Jataka manuscript from 1743 (NS 864) refer to it as, nepalike samkhadarabde samvat ("the nepal era created by Sankhadhar") and a stone inscription from Bhaktapur refer to it as "Samkhava Samvat". However, the historicity of Sankhadhar Sankhwa is still a matter of debate among historians.

Historical usage

The name Nepal Sambat was used for the calendar for the first time in Nepal Sambat 148 (1028 CE). An inscription on a stupa in Panauti is dated Nepal Sambat 866 (1746 CE). Nepal Sambat has also been used outside Nepal Mandala in Nepal and in other countries including India, China and Myanmar. In Gorkha, a stone inscription at the Bhairav Temple at Pokharithok Bazaar contains the date Nepal Sambat 704 (1584 CE). An inscription in the Khas language at a rest house in Salyankot is dated Nepal Sambat 912 (1792 CE). In east Nepal, an inscription on the Bidyadhari Ajima Temple in Bhojpur recording the donation of a door and tympanum is dated Nepal Sambat 1011 (1891 CE). The Bindhyabasini Temple in Bandipur in west Nepal contains an inscription dated Nepal Sambat 950 (1830 CE) recording the donation of a tympanum. The Palanchok Bhagawati Temple situated to the east of Kathmandu contains an inscription recording a land donation dated Nepal Sambat 861 (1741 CE). Similarly, Nepali merchants based in Tibet (Lhasa Newars) used Nepal Sambat in their official documents, correspondence and inscriptions recording votive offerings. A copper plate recording the donation of a tympanum at the shrine of Chhwaskamini Ajima (Tibetan: Palden Lhamo) in the Jokhang Temple in Lhasa is dated Nepal Sambat 781 (1661 CE).

… excerpt ends here. Continue reading the full article.

Illustrations

Nepal Sambat: Actors dressed up as Ajima mother goddesses take part in New Year's Day parade in Kathmandu.
Actors dressed up as Ajima mother goddesses take part in New Year's Day parade in Kathmandu.
Nepal Sambat: Part of New Year's Day parade
Part of New Year's Day parade
Nepal Sambat: Use of Nepal Sambat in a Malla dynasty stone inscription from Bhaktapur.
Use of Nepal Sambat in a Malla dynasty stone inscription from Bhaktapur.
Nepal Sambat: Statue of Sankhadhar Sakhwa at Pulchok, Lalitpur.
Statue of Sankhadhar Sakhwa at Pulchok, Lalitpur.
Nepal Sambat: Lakhu Phalchā (shelter) at Maru where the sand carriers stopped to rest.
Lakhu Phalchā (shelter) at Maru where the sand carriers stopped to rest.

Worked examples

Example 1 — a first encounter with Nepal Sambat

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

In research
Nepal Sambat appears in astronomy 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 Nepal Sambat 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
Nepal Sambat is common in secondary-school and first-year university syllabi. It links to neighbouring topics Calendar eras, Calendars, Cultural history of Nepal, so understanding it makes those chapters shorter.
In everyday life
Look for Nepal Sambat 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 Nepal Sambat in 20 minutes

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

Frequently asked questions

What is Nepal Sambat in simple terms?

Nepal Sambat (Newar: 𑐣𑐾𑐥𑐵𑐮 𑐳𑐩𑑂𑐧𑐟‎, nepāla samvat, meaning "Nepal Era") is the lunisolar calendar used by the Newar people of Nepal. It was the official calendar of Nepal since its inception on 20 October 879 till the end of the Malla dynasty in 1769.

Why does Nepal Sambat matter?

Because it connects several astronomy 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 Nepal Sambat?

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 Nepal Sambat.

Tags

  • Calendar eras
  • Calendars
  • Cultural history of Nepal
  • Culture of Nepal
  • Hindu calendar
  • Lunisolar calendars
  • National symbols of Nepal
  • Nepali calendar
  • New Year celebrations
  • Newar
  • Observances set by the Nepal Sambat calendar
  • Specific calendars

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