Tamil calendar

 ( Hindu Calendar ) 

The Tamil calendar (தமிழ் நாட்காட்டி) is a Sidereal time solar calendar used by the Tamil people of the Indian subcontinent.S.K. Chatterjee, Indian Calendric System, Publications Division, Ministry of Information and Broadcasting, Government of India, 1998Sewell, Robert and Dikshit, Sankara B.: The Indian Calendar – with tables for the conversion of Hindu and Muhammadan into a.d. dates, and vice versa. Motilal Banarsidass Publ., Delhi, India (1995). Originally published in 1896 It is also used in Puducherry, and by the Tamil people population in Sri Lanka, Malaysia, Singapore, Myanmar and Mauritius.

It is used in contemporary times for cultural, religious and agricultural events,Indian Epigraphy, D.C. Sircar, TamilNet, Tamil New Year, 13 April 2008 with the Gregorian calendar largely used for official purposes both within and outside India. The Tamil calendar is based on the solar calendar.

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Description The calendar follows a 60-year cycle that is also very ancient and is observed by most traditional calendars of India and China. This is related to 5 12-year revolutions of Jupiter around the Sun and one that adds up to 60 years and the orbit of Nakshatras (stars) as described in the Surya Siddhanta.

In the Gregorian year 2025, the Tamil year starts on 14 April 2025, Kaliyuga . The Vikrama era and Shalivahana era (Saka) eras are also used.

There are several references in early Tamil literature to the new year. Nakkeerar, Sangam period author of the Neṭunalvāṭai, wrote in the third century CE that the Sun travels each year from Mesha/Chittirai in mid-April through 11 successive signs of the zodiac.JV Chelliah: Pattupattu: Ten Tamil Idylls. Tamil Verses with English Translation. Thanjavur: Tamil University, 1985 -Lines 160 to 162 of the Neṭunalvāṭai. Kūdalūr Kiḻar in the third century CE refers to Mesha Rāsi/Chittirai i.e. mid-April as the commencement of the year in the Puṟanāṉūṟu.The Four Hundred Songs of War and Wisdom: An Anthology of Poems from Classical Tamil, The Purananuru. Columbia University Press. 13 August 2013 – Poem 229 of PuṟanāṉūṟuProfessor Vaiyapuri Pillai, 'History of Tamil Language and Literature' Chennai, 1956, pp. 35, 151 The Tolkappiyam is the oldest surviving Tamil grammar text that divides the year into six seasons where Chihthirrai i.e. mid-April marks the start of the Ilavenil season or Summer.Tolkappiyam Porulatikaram, Peraciriyam. Ed. by R.P.C Pavanantam Pillai. 2 Vols, Longmans,Creen and Co, Madras/Bombay/Calcutta. 1917 The 5th century Silappadhigaaram mentions the 12 rāsigal or zodiac signs that correspond to the Tamil months starting with Mesha/Chittirai in mid-April.R. Parthasarathy, The Tale of an Anklet: An Epic of South India: The Cilappatikāram of Iḷaṅko Aṭikaḷ. New York: Columbia University Press – Canto 26. Canto 5 also describes the foremost festival in the Chola country – the Indra Vizha celebrated in Chitterai The 6th century Manimekalai alludes to this very same Hindu solar calendar as we know it todayLakshmi Holmstrom, Silappadikaram, Manimekalai, Orient Longman Ltd, Madras 1996. Adiyarkunalaar, an early medieval (12th century) commentator or Urai-asiriyar mentions the twelve months of the Tamil calendar with particular reference to Chittirai i.e. mid-April. There were subsequent inscriptional references in Pagan, Burma dated to the 11th century CE and in Sukhothai, Thailand dated to the 14th century CE to South Indian, often Vaishnavite, courtiers who were tasked with defining the traditional calendar that began in mid-April.G.H. Luce, Old Burma – Early Pagan, Locust Valley, New York, p. 68, and A.B. Griswold, 'Towards a History of Sukhodaya Art, Bangkok 1967, pages 12–32

The Tamil New Year follows the Nirayana system March equinoxDershowitz, Nachum and Edward Reingold: Calendrical Calculations. Third edition, Cambridge University Press (2008). and generally falls on 14 April of the Gregorian year. 14 April marks the first day of the traditional Tamil calendar and is a public holiday in the state of Tamil Nadu, Sri Lanka and Mauritius. Tropical vernal equinox fall around 22 March, and by adding 23 degrees of trepidation (oscillation) to it, we get the Hindu sidereal or Nirayana Mesha Sankranti (Sun's transition into Nirayana system Aries). Hence, the Tamil calendar begins on the same date in April which is observed by most traditional calendars of the rest of India – Assam, Bengal, Kerala, Odisha, Manipur, Punjab etc.Underhill, Muriel M.: The Hindu Religious Year. Association Press, Kolkata, India (1921). This also coincides with the traditional new year in Burma, Cambodia, Laos, Sri Lanka, Bangladesh, Nepal, and Thailand.

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Week The days of week (Kiḻamai) in the Tamil calendar relate to the celestial bodies in the Solar System: Sun, Moon, Mars, Mercury, Jupiter, Venus, and Saturn, in that order. The week starts with Sunday.

ஞாயிற்றுக்கிழமை	Nyayitru-kiḻamai	Ravi-vāsara	Surya	Sunday
திங்கட்கிழமை	Tingat-kiḻamai	Soma-vāsara	Chandra	Monday
செவ்வாய்க்கிழமை	Chevvai-kiḻamai	Mangala-vāsara	Mangala	Tuesday
புதன்கிழமை	Budhan-kiḻamai	Budha-vāsara	Budha	Wednesday
வியாழக்கிழமை	Vyaḻa-kiḻamai	Guru-vāsara	Brihaspati	Thursday
வெள்ளிக்கிழமை	Velli-kiḻamai	Śukra-vāsara	Shukra	Friday
சனிக்கிழமை	Sani-kiḻamai	Śani-vāsara	Shani	Saturday

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Months The number of days in a month varies between 29 and 32. These are the months of the Tamil Calendar.

சித்திரை	Chittirai	Caitrā	mid-April to mid-May	30 - 31 days
வைகாசி	Vaikāsi	Vaiśākha	mid-May to mid-June	31 - 32 days
ஆனி	Āni	Jyeṣṭha	mid-June to mid-July	31 - 32 days
ஆடி	Ādi	Āshāḍha	mid-July to mid-August	31 - 32 days
ஆவணி	Āvaṇi	Shrāvaṇa	mid-August to mid-September	31 - 32 days
புரட்டாசி	Puraṭṭāsi	Bhādrapada/ Prauṣṭhapada	mid-September to mid-October	30 - 31 days
ஐப்பசி	Aippasi	Aśvīna	mid-October to mid-November	29 - 30 days
கார்த்திகை	Kārtikai	Kārttika	mid-November to mid-December	29 - 30 days
மார்கழி	Mārgaḻi	Mārgaṣīrṣa	mid-December to mid-January	29 - 30 days
தை	Tai	Pauṣa/Tiṣya	mid-January to mid-February	29 - 30 days
மாசி	Māsi	Māgha	mid-February to mid-March	29 - 30 days
பங்குனி	Panguni	Phālguṇa	mid-March to mid-April	30 - 31 days

The Sanskrit month starts a few weeks ahead of the Tamil month, since the Tamil calendar is a solar calendar, while the Sanskrit calendar is a lunisolar calendar.Kielhorn, Franz: Festal Days of the Hindu Lunar Calendar. The Indian Antiquary XXVI, 177–187 (1897).

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Seasons The Tamil year, in keeping with the old Indic calendar, is divided into six seasons, each of which lasts two months:

Mid Apr – Mid Jun

Mid Jun – Mid Aug

Mid Aug – Mid Oct

Mid Oct – Mid Dec

Mid Dec – Mid Feb

Mid Feb – Mid Apr

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Sixty-year cycle The 60-year cycle is common to both North and South Indian traditional calendars, with the same name and sequence of years. Its earliest reference is to be found in Surya Siddhanta, which (550 CE) believed to be the most accurate of the then current theories of astronomy. However, in the Surya Siddhantic list, the first year was Vijaya and not Prabhava as currently used. There are some parallels in this sexagenary cycle with the Chinese calendar.Samuel Wells Williams, The Middle Kingdom, V 2, Columbia University Press, New York, 2005 pp. 69–70Paul Kekai Manansala, Quests of the Dragon and Bird Clan, 2006, p. 236Terrien de Lacouperie, Western Origin of the Early Chinese Civilization: From 2,300 BC to 20 AD, Asher and Co, London 1894 p. 78 The Surya Siddhanta and other Indian classical texts on astronomy had some influence on the Chinese calendarGeorge Gheverghese Joseph, Crest of the Peacock: Non-European Roots of Mathematics, Princeton University Press, 2011, p. 304-305 although it merits attention that the sexagenary cycle in China is itself very old.

After the completion of sixty years, the calendar starts with the first year. This corresponds to the Hindu "century." The Vakya or Tirukannitha Panchangam (the traditional Tamil almanac) outlines this sequence. It is related to the position of the planets in the sky with respect to Earth. It means that the two major planets Sani/Saturn (which takes 30 years to complete one cycle round the Sun) and the Viyaḻan/Jupiter (which takes 12 years to complete one cycle round the Sun) comes to the same position after 60 years.

The following list presents the current 60-year cycle of the Tamil calendar:Satguru Sivaya Subramuniyaswami, Vedic calendar: Kadavul Hindu Panchangam, Himalayan Academy, Kapaa, Hawaii, 1997; pp. 5–6,Glossary p 10

01.	பிரபவ	Prabhāva	1987–1988		31.	ஹேவிளம்பி	Hēvilaṃbi	2017–2018
02.	விபவ	Vibhāva	1988–1989		32.	விளம்பி	Vilaṃbi	2018–2019
03.	சுக்ல	Śuklā	1989–1990		33.	விகாரி	Vikāri	2019–2020
04.	பிரமோதூத	Pramadutā	1990–1991		34.	சார்வரி	Śarvarī	2020–2021
05.	பிரசோற்பத்தி	Prachopati	1991–1992		35.	பிலவ	Plava	2021–2022
06.	ஆங்கீரச	Āṅgirasa	1992–1993		36.	சுபகிருது	Śubhakṛt	2022–2023
07.	ஸ்ரீமுக	Śrīmukha	1993–1994		37.	சோபக்ருத்	Śobhakṛt	2023–2024
08.	பவ	Bhava	1994–1995		38.	க்ரோதி	Krodhī	2024–2025
09.	யுவ	Yuva	1995–1996		39.	விசுவாசுவ	Viśvāvasuva	2025–2026
10.	தாது	Dhātu	1996–1997		40.	பரபாவ	Parapāva	2026–2027
11.	ஈஸ்வர	Īśvara	1997–1998		41.	ப்லவங்க	Plavaṅga	2027–2028
12.	வெகுதானிய	Vehudānya	1998–1999		42.	கீலக	Kīlaka	2028–2029
13.	பிரமாதி	Pramāti	1999–2000		43.	சௌம்ய	Saumya	2029–2030
14.	விக்ரம	Vikrama	2000–2001		44.	சாதாரண	Sādhāraṇa	2030–2031
15.	விஷு	Viṣu	2001–2002		45.	விரோதகிருது	Virodhikṛti	2031–2032
16.	சித்திரபானு	Citrabhānu	2002–2003		46.	பரிதாபி	Paritapi	2032–2033
17.	சுபானு	Subhānu	2003–2004		47.	பிரமாதீச	Pramādīca	2033–2034
18.	தாரண	Dhārana	2004–2005		48.	ஆனந்த	Ānanda	2034–2035
19.	பார்த்திப	Partibhā	2005–2006		49.	ராட்சச	Rākṣasaḥ	2035–2036
20.	விய	Viya	2006–2007		50.	நள	Nala	2036–2037
21.	சர்வஜித்	Sarvajit	2007–2008		51.	பிங்கள	Piṅgāla	2037–2038
22.	சர்வதாரி	Sarvadhārī	2008–2009		52.	காளயுக்தி	Kālayukti	2038–2039
23.	விரோதி	Virodhī	2009–2010		53.	சித்தார்த்தி	Siddhidātrī	2039–2040
24.	விக்ருதி	Vikṛti	2010–2011		54.	ரௌத்திரி	Rautrī	2040–2041
25.	கர	Kara	2011–2012		55.	துன்மதி	Dhūnmatī	2041–2042
26.	நந்தன	Nandhana	2012–2013		56.	துந்துபி	Dundubhi	2042–2043
27.	விஜய	Vijaya	2013–2014		57.	ருத்ரோத்காரி	Rudhirōtgāri	2043–2044
28.	ஜய	Jaya	2014–2015		58.	ரக்தாட்சி	Rākṣasī	2044–2045
29.	மன்மத	Manmatha	2015–2016		59.	க்ரோதன	Krodhanā	2045–2046
30.	துன்முகி	Dhuṇmūkī	2016–2017		60.	அட்சய	Akṣayā	2046–2047

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Celebrations The months of the Tamil Calendar have great significance and are deeply rooted in the faith of Tamil Hindus. Some months are considered very auspicious, while a few are considered inauspicious as well. Tamil months start and end based on the Sun's shift from one Rāsi to the other, but the names of the months are based on the star on the start of the Purnima in that month. The name of the month is sometimes the name of the star itself. (e.g. Chittirai is always the star on the pournami of the Chittirai month).

Some of the celebrations for each month are listed below. Dates in parentheses are not exact and usually vary by a day or two. Underneath (or beside) the months of the Hindu calendar are their Gregorian counterparts.Underhill, Muriel M.: The Hindu Religious Year. Association Press, Kolkata, India (1921).

சித்திரை – Chaitra	14 April – 13 May	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Chittirai. Chittirai Pournami & Varusha-Pirappu are the most important festivals in this month. The famous Chittirai Tiruviḻa is celebrated in the Madurai Meenakshi Amman temple. The 14 of April is the Tamil New Year.
வைகாசி – Vaisakha	14 May – 14 June	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Visākam. Vaikāsi Visākam is the most important day of this month. This month is regarded to be sacred to Kartikeya.
ஆனி – Āni	15 June – 15 July	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Anusham. Āni Thirumanjanam or Āni Uththiram for Nataraja is the most famous day in this month.
ஆடி – Aashaadha	16 July – 16 August	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Pooraadam (or) Uthiradam. It is regarded to be an auspicious month for women. The most auspicious days are Fridays and Tuesdays in this month, these are called Ādi Velli and Ādi Chevvai and the Ādi Amavasai. Ādi Pooram is also a holy day. The 18th day of adi is the most important day for the farmers (delta region) they prepare paddy seedlings.
ஆவணி – Shraavana	17 August – 16 September	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Thiruvonam. An important month with many rituals. change their sacred thread on Shraavana Avittam. Each Sunday of the month is dedicated to prayers – Āvaṇi Gnayiru. Ganesh Chaturthi, the festival of Ganesha is held this month.
புரட்டாசி – Bhaadrapada	17 September – 16 October	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Poorattathi (or) Uthirattathi. An important month for Iyengar. Puratāsi Sani (Saturday) is an auspicious day for Lord Vishnu. Navarathri & Vijayadhashami or Ayuda Puja is celebrated to invoke the goddesses Durga, Lakshmi, and Saraswati.
ஐப்பசி – Aashvina	17 October – 15 November	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Ashvini. The typically start over Tamil Nadu this month. Deepavali is celebrated during this month.
கார்த்திகை – Kaartika	16 November – 15 December	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Kārtikai. Another auspicious celebration for Shiva devotees is Tirukartikai. The Krittika Full moon is the holy day of the full moon in the month of Kārtikai, and the star is Krittika. Each Monday of this month is dedicated to the worship of Lord Shiva.
மார்கழி – Maargashiirsha	16 December – 13 January	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Mrigashirsham. This is a sacred month in the Tamil calendar, especially for Vaishnavas and unmarried women. Swami Achuthananda (2018). 9780975788332, Relianz Communications Pty Ltd. . ISBN 9780975788332 Arudra Darisanam (Tiruvadirai star in Tamil language) is the most auspicious day in this month. The offering made to Shiva is the Tiruvadirai Kali – a sweet boiled dessert. Mukkodi Ekadashi is called "Paramapada vasal tirappu" for Vaishnavas. The Tiruvenpavai and Tiruppavai fast takes place this month.
தை – Pausha	14 January – 12 February	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Pusam. Pongal, which is the Tamil people harvest festival, is celebrated on the first day of this month. Thaipusam is also a sacred day for Kartikeya devotees, who carry a Kavadi Aattam to one of the Arupadaiveedu (Literally meaning "six abodes").
மாசி – Maagha	13 February – 13 March	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Magam. Māsi Maagha is the holy day that falls during this month. Shivaratri is an important festival widely celebrated by Hindus this month.
பங்குனி – Phaalguna	14 March – 13 April	The nakshatram (star) that is regarded to be ascendant during the pournami (full moon day) of this month is Uttiram. Panguni Uttiram, the last month of the year, is a famous festival and holy to Kartikeya and Shiva devotees.

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Significance

• The Hindus developed a system of calendrics that encapsulates vast periods of time.Wijk, Walther E. van: On Hindu Chronology, parts I–V. Acta Orientalia (1922–1927). For computing the age of the Earth and various geological and other epochs, as well as the age of mankind, they still employ a Tamil calendar derived from ancient astronomical data, known as the Tirukkanida PanchangaHelena Blavatsky, 'The Secret Doctrine: The Synthesis of Science, Religion and Philosophy' Book 2: pp. 49–51, Theosophical University Press, 1888
• The 10th Tamil month, called Tai, falls in mid-January each year. It is celebrated with much enthusiasm within the Tamil Community all over the world. Tai is marked by gifts of new clothing for family members and prayers to God for prosperity in the coming year. Tai and the fifth month Āvaṇi are considered very auspicious for marriage and most marriages occur during these months.
• The fourth month Ādi is a busy month for most people including priests as there will be major temple festivities throughout the month, so most weddings do not often fall in this month. Ādi is the month of preparation for the next crop cycle by farmers. Therefore, farming communities avoid major events like weddings in this month. Those members of the Tamil community who don't actively contribute/participate in farming take advantage by having important functions like wedding in this month. For example, the business community prefers this month for weddings. Ādi is usually the worst month for business, although when businesses recently initiated Ādi discounts, this situation has changed significantly. Each Friday of this month is set aside for prayer and worship.
• Ādi is portrayed as an inauspicious month for union of newlyweds because conceiving in this month might often result in child delivery around April–May, the hottest months in Tamil Nadu ( Agni natchathiram – 'pineḻu' the last 7 days of Chithirai and 'muneḻu' the first 7 days of Vaigasi). 'Ādi' is also the windiest month in Tamil Nadu, and hence the phrase 'Ādi kaatru ammiyai nagatrum' (literally, 'the strong winds in the month of Ādi can even move a stone grinder')
• Puratāsi is when most of the non-vegetarian Tamil people fast from meat for a month. Each Saturday of this month is set apart to venerate the planet Saturn.
• Deepavali, is celebrated on the new moon day, in the seventh month Aipasi. The month of Aipasi is usually characterised by the North-East Monsoon in Tamil Nadu, which has given birth to a phrase, Aipasi adai maḻai meaning the "Non-stop downpour".
• Margaḻi falls in winter in Tamil Nadu, and is an auspicious month. The month is considered sacred. During the holy month of Margaḻi, houses are decorated with colorful and elaborate kolams. These are drawn on the threshold to welcome guests and divine beings to bless their houses with prosperity and happiness. The Shaivite fast of Thiru-vembaavai and the Vaishnava fast of Thiru-paavai are also observed in this month.
• The total number of days in a Tamil Calendar is an average 365 days. The Vakiya Panchangam is employed for both sacred and civil calculations. The Trikanitha Panchangam is employed for Hindu astrology calculations.

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Festivals The Tamil Calendar is important in the life of Tamil-speaking people and most festivals of Tamil Nadu are based on it. Some festivals include:

• Tamil New Year (also called Puthandu)
• Thai Pongal
• Deepavali
• Rama Navami
• Panguni Uthiram
• Karthika Deepam
• Krishna Jayanti
• Navaratri
• Ganesh Chaturthi
• Maha Shivaratri

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See also

• Chandravakyas
• Malayalam calendar
• Pambu Panchangam
• Puthandu
• Samvatsara
• Sexagenary cycle
• Vākyapañcāṅga

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External links

• Tamil Daily Calendar (தமிழ் நாள்காட்டி)
• Tamil Calendar with Daily Panchangam
• Tamil Calendar for each year

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