{"id":"vidhyamitra:city-day:vellore:2012-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/2012-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-10-13","date_display":"October 13, 2012 CE","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":2012,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456213.770833,"kali_year":5114,"ahargana":1867748.2708,"sun":{"sidereal_longitude":175.3087,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":142.596,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2873,"elapsed_within_tithi_degrees":3.2873},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.596,"elapsed_within_degrees":9.2627},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.9047},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2012,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456213.770833,"ahargana":1867748.2708,"kali_year":5114,"ayanamsa_lahiri":24.0316,"grahas":{"sun":{"sidereal_longitude":176.07682899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":142.95862899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":-4.3486},"mars":{"sidereal_longitude":220.02902900000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":196.66332899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":51.87462900000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":137.25032899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":186.55072900000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":217.7084,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":37.7084,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2012,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456213.770833,"kali_year":5114,"ahargana":1867748.2708,"sun":{"sidereal_longitude":175.3087,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":142.596,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":327.2873,"elapsed_within_tithi_degrees":3.2873},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":142.596,"elapsed_within_degrees":9.2627},"yoga":{"number":24,"name":"Śukla","sum_longitude":317.9047},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.349,"elongation":32.713},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.349,"opposition_distance":147.287}},"eclipse_window_40days":[]},"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:03","sunsetLocal":"17:55","solarNoonLocal":"11:59","dayLengthHours":11.873183980894968,"dayLengthDisplay":"11 Hours 52 Mins 23 Secs","nightLengthDisplay":"12 Hours 07 Mins 37 Secs","moonriseLocal":"03:39","moonsetLocal":"15:54","rahuKala":{"name":"Rāhu Kāla","start":"09:01","end":"10:30","startHours":9.015496851308335,"endHours":10.499644848920207,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:28","end":"14:57","startHours":13.467940844143948,"endHours":14.95208884175582,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:03","end":"07:32","startHours":6.047200856084594,"endHours":7.531348853696464,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:13","startHours":8.817610451626752,"endHours":9.213383250989919,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.541916855288551,"endHours":6.858535094779083,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:23","startHours":11.588020047168913,"endHours":12.379565645895243,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:15","startHours":4.464109658631931,"endHours":5.255655257358263,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:03","end":"06:03","startHours":5.057768857676679,"endHours":6.047200856084594,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:45","startHours":13.962656843347906,"endHours":14.754202442074238,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:43","end":"18:07","startHours":17.720384836979562,"endHours":18.12038483697956,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:55","end":"18:25","startHours":17.92038483697956,"endHours":18.41510083618352,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:40","end":"19:25","startHours":17.67038483697956,"endHours":19.42038483697956,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:23","startHours":23.58802004716891,"endHours":24.37956564589524,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:03","end":"07:32","startHours":6.047200856084594,"endHours":7.531348853696464,"quality":"inauspicious"},{"name":"Śubha","start":"07:32","end":"09:01","startHours":7.531348853696464,"endHours":9.015496851308335,"quality":"auspicious"},{"name":"Roga","start":"09:01","end":"10:30","startHours":9.015496851308335,"endHours":10.499644848920207,"quality":"inauspicious"},{"name":"Udveg","start":"10:30","end":"11:59","startHours":10.499644848920207,"endHours":11.983792846532078,"quality":"inauspicious"},{"name":"Chala","start":"11:59","end":"13:28","startHours":11.983792846532078,"endHours":13.467940844143948,"quality":"neutral"},{"name":"Labha","start":"13:28","end":"14:57","startHours":13.467940844143948,"endHours":14.95208884175582,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:26","startHours":14.95208884175582,"endHours":16.43623683936769,"quality":"auspicious"},{"name":"Kāla","start":"16:26","end":"17:55","startHours":16.43623683936769,"endHours":17.92038483697956,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:55","end":"19:26","startHours":17.92038483697956,"endHours":19.43623683936769,"quality":"auspicious"},{"name":"Amṛta","start":"19:26","end":"20:57","startHours":19.43623683936769,"endHours":20.95208884175582,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:28","startHours":20.95208884175582,"endHours":22.467940844143946,"quality":"inauspicious"},{"name":"Śubha","start":"22:28","end":"23:59","startHours":22.467940844143946,"endHours":23.983792846532076,"quality":"auspicious"},{"name":"Roga","start":"23:59","end":"01:30","startHours":23.983792846532076,"endHours":25.499644848920205,"quality":"inauspicious"},{"name":"Udveg","start":"01:30","end":"03:01","startHours":25.499644848920205,"endHours":27.015496851308335,"quality":"inauspicious"},{"name":"Chala","start":"03:01","end":"04:32","startHours":27.015496851308335,"endHours":28.531348853696464,"quality":"neutral"},{"name":"Labha","start":"04:32","end":"06:03","startHours":28.531348853696464,"endHours":30.047200856084594,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:03","end":"07:03","startHours":6.047200856084594,"endHours":7.047200856084594,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:03","end":"08:03","startHours":7.047200856084594,"endHours":8.047200856084594,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:03","end":"09:03","startHours":8.047200856084594,"endHours":9.047200856084594,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:03","end":"10:03","startHours":9.047200856084594,"endHours":10.047200856084594,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:03","end":"11:03","startHours":10.047200856084594,"endHours":11.047200856084594,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:03","end":"12:03","startHours":11.047200856084594,"endHours":12.047200856084594,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:03","end":"13:03","startHours":12.047200856084594,"endHours":13.047200856084594,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:03","end":"14:03","startHours":13.047200856084594,"endHours":14.047200856084594,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:03","end":"15:03","startHours":14.047200856084594,"endHours":15.047200856084594,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:03","end":"16:03","startHours":15.047200856084594,"endHours":16.047200856084594,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:03","end":"17:03","startHours":16.047200856084594,"endHours":17.047200856084594,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:03","end":"18:03","startHours":17.047200856084594,"endHours":18.047200856084594,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:03","end":"19:03","startHours":18.047200856084594,"endHours":19.047200856084594,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:03","end":"20:03","startHours":19.047200856084594,"endHours":20.047200856084594,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:03","end":"21:03","startHours":20.047200856084594,"endHours":21.047200856084594,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:03","end":"22:03","startHours":21.047200856084594,"endHours":22.047200856084594,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:03","end":"23:03","startHours":22.047200856084594,"endHours":23.047200856084594,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:03","end":"00:03","startHours":23.047200856084594,"endHours":24.047200856084594,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:03","end":"01:03","startHours":24.047200856084594,"endHours":25.047200856084594,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:03","end":"02:03","startHours":25.047200856084594,"endHours":26.047200856084594,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:03","end":"03:03","startHours":26.047200856084594,"endHours":27.047200856084594,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:03","end":"04:03","startHours":27.047200856084594,"endHours":28.047200856084594,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:03","end":"05:03","startHours":28.047200856084594,"endHours":29.047200856084594,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:03","end":"06:03","startHours":29.047200856084594,"endHours":30.047200856084594,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.859222430092274,"eotMinutes":14.442429208075392,"ayanamsa":24.0316}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vellore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 13, 2012 CE · Vellore, Tamil Nadu · Vidhyamitra","description":"October 13, 2012 CE for Vellore, Tamil Nadu: Kṛṣṇa Trayodaśī, sūryodaya 06:03, sūryāsta 17:55.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/2012-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/2012-10-13","sa":"https://sa.vidhyamitra.com/city/vellore/2012-10-13","hi":"https://hi.vidhyamitra.com/city/vellore/2012-10-13","x-default":"https://vidhyamitra.com/city/vellore/2012-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:13:46.331Z","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":"2026-05-31T13:13:46.331Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:13:46.331Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}