{"id":"vidhyamitra:city-day:pondicherry:-3136-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/pondicherry/-3136-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3136-01-13","date_display":"January 13, 3137 BCE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3136,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575645.770833,"kali_year":-35,"ahargana":-12819.7292,"sun":{"sidereal_longitude":327.0689,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":283.5844,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":316.5154,"elapsed_within_tithi_degrees":4.5154},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.5844,"elapsed_within_degrees":3.5844},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.6533},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":-3136,"month":1,"day":13,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575645.770833,"ahargana":-12819.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8931,"grahas":{"sun":{"sidereal_longitude":327.0689,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":283.5844,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false,"latitude":2.622},"mars":{"sidereal_longitude":98.8823,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":339.5421,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":9.6532,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":332.6174,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":287.6448,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":139.2509,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.2509,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":-3136,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575645.770833,"kali_year":-35,"ahargana":-12819.7292,"sun":{"sidereal_longitude":327.0689,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":283.5844,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":316.5154,"elapsed_within_tithi_degrees":4.5154},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":283.5844,"elapsed_within_degrees":3.5844},"yoga":{"number":19,"name":"Parigha","sum_longitude":250.6533},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.622,"elongation":43.485},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.622,"opposition_distance":136.515}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-0.42,"opposition_distance":1.553}]},"city":{"slug":"pondicherry","name":"Pondicherry (Puducherry)","lat":11.9416,"lon":79.8083,"tz_offset_hours":5.5,"country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"pondicherry","name":"Pondicherry (Puducherry)","lat":11.9416,"lon":79.8083,"tz_offset_hours":5.5,"country":"IN","tier":"tier-1"},"sunriseLocal":"06:36","sunsetLocal":"18:02","solarNoonLocal":"12:19","dayLengthHours":11.433132862429796,"dayLengthDisplay":"11 Hours 25 Mins 59 Secs","nightLengthDisplay":"12 Hours 34 Mins 01 Secs","moonriseLocal":"03:40","moonsetLocal":"15:11","rahuKala":{"name":"Rāhu Kāla","start":"15:11","end":"16:37","startHours":15.181662073797009,"endHours":16.610803681600732,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:28","end":"10:54","startHours":9.46509564258211,"endHours":10.894237250385835,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:45","startHours":12.32337885818956,"endHours":13.752520465993284,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:39","startHours":9.27454342820828,"endHours":9.655647856955941,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:05","end":"07:23","startHours":7.083192962909236,"endHours":7.388076505907364,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:42","startHours":11.9422744294419,"endHours":12.70448328693722,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:51","startHours":5.082394711984022,"endHours":5.844603569479342,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:39","end":"06:36","startHours":5.654051355105512,"endHours":6.6068124269746615,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"14:59","startHours":14.22890100192786,"endHours":14.99110985942318,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.839945289404458,"endHours":18.239945289404456,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.039945289404457,"endHours":18.51632582533903,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.789945289404457,"endHours":19.539945289404457,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:42","startHours":23.942274429441902,"endHours":24.70448328693722,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:36","end":"08:02","startHours":6.6068124269746615,"endHours":8.035954034778387,"quality":"inauspicious"},{"name":"Udveg","start":"08:02","end":"09:28","startHours":8.035954034778387,"endHours":9.46509564258211,"quality":"inauspicious"},{"name":"Chala","start":"09:28","end":"10:54","startHours":9.46509564258211,"endHours":10.894237250385835,"quality":"neutral"},{"name":"Labha","start":"10:54","end":"12:19","startHours":10.894237250385835,"endHours":12.32337885818956,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:45","startHours":12.32337885818956,"endHours":13.752520465993284,"quality":"auspicious"},{"name":"Kāla","start":"13:45","end":"15:11","startHours":13.752520465993284,"endHours":15.181662073797009,"quality":"inauspicious"},{"name":"Śubha","start":"15:11","end":"16:37","startHours":15.181662073797009,"endHours":16.610803681600732,"quality":"auspicious"},{"name":"Roga","start":"16:37","end":"18:02","startHours":16.610803681600732,"endHours":18.039945289404457,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:02","end":"19:37","startHours":18.039945289404457,"endHours":19.610803681600732,"quality":"inauspicious"},{"name":"Śubha","start":"19:37","end":"21:11","startHours":19.610803681600732,"endHours":21.181662073797007,"quality":"auspicious"},{"name":"Roga","start":"21:11","end":"22:45","startHours":21.181662073797007,"endHours":22.752520465993285,"quality":"inauspicious"},{"name":"Udveg","start":"22:45","end":"00:19","startHours":22.752520465993285,"endHours":24.32337885818956,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:54","startHours":24.32337885818956,"endHours":25.894237250385835,"quality":"neutral"},{"name":"Labha","start":"01:54","end":"03:28","startHours":25.894237250385835,"endHours":27.46509564258211,"quality":"auspicious"},{"name":"Amṛta","start":"03:28","end":"05:02","startHours":27.46509564258211,"endHours":29.035954034778385,"quality":"auspicious"},{"name":"Kāla","start":"05:02","end":"06:36","startHours":29.035954034778385,"endHours":30.606812426974663,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.6068124269746615,"endHours":7.6068124269746615,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.6068124269746615,"endHours":8.606812426974662,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.606812426974662,"endHours":9.606812426974662,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.606812426974662,"endHours":10.606812426974662,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.606812426974662,"endHours":11.606812426974662,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.606812426974662,"endHours":12.606812426974662,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.606812426974662,"endHours":13.606812426974662,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.606812426974662,"endHours":14.606812426974662,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.606812426974662,"endHours":15.606812426974662,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.606812426974662,"endHours":16.606812426974663,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.606812426974663,"endHours":17.606812426974663,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.606812426974663,"endHours":18.606812426974663,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.606812426974663,"endHours":19.606812426974663,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.606812426974663,"endHours":20.606812426974663,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.606812426974663,"endHours":21.606812426974663,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.606812426974663,"endHours":22.606812426974663,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.606812426974663,"endHours":23.606812426974663,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.606812426974663,"endHours":24.606812426974663,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.606812426974663,"endHours":25.606812426974663,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.606812426974663,"endHours":26.606812426974663,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.606812426974663,"endHours":27.606812426974663,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.606812426974663,"endHours":28.606812426974663,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.606812426974663,"endHours":29.606812426974663,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.606812426974663,"endHours":30.606812426974663,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.119052347879236,"eotMinutes":-8.635931491373626,"ayanamsa":-47.8931}},"calendars":{"vikram_samvat":-3079,"saka_samvat":-3214,"bengali_samvat":-3729,"malayalam_era":-3960,"nanakshahi_year":-4605,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Dvādaśī · Vikram -3079 undefined · Śaka -3214 undefined"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"pondicherry"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 13, 3137 BCE · Pondicherry (Puducherry) · Vidhyamitra","description":"January 13, 3137 BCE for Pondicherry (Puducherry): Kṛṣṇa Dvādaśī, sūryodaya 06:36, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/pondicherry/-3136-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/pondicherry/-3136-01-13","sa":"https://sa.vidhyamitra.com/city/pondicherry/-3136-01-13","hi":"https://hi.vidhyamitra.com/city/pondicherry/-3136-01-13","x-default":"https://vidhyamitra.com/city/pondicherry/-3136-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T20:54:17.059Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-16T20:54:17.059Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T20:54:17.059Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}