{"id":"vidhyamitra:city-day:patna:2012-01-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/patna/2012-01-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-01-17","date_display":"January 17, 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":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455943.770833,"kali_year":5113,"ahargana":1867478.2708,"sun":{"sidereal_longitude":272.1609,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":191.2677,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.1068,"elapsed_within_tithi_degrees":3.1068},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.2677,"elapsed_within_degrees":4.6011},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.4287},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":2012,"month":1,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455943.770833,"ahargana":1867478.2708,"kali_year":5113,"ayanamsa_lahiri":24.0212,"grahas":{"sun":{"sidereal_longitude":272.289945,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":190.94914500000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-2.9355},"mars":{"sidereal_longitude":148.565245,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":258.9007449999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":7.01604500000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":309.21484499999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":184.81644499999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":232.0143,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.0143,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455943.770833,"kali_year":5113,"ahargana":1867478.2708,"sun":{"sidereal_longitude":272.1609,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":191.2677,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.1068,"elapsed_within_tithi_degrees":3.1068},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":191.2677,"elapsed_within_degrees":4.6011},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.4287},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.935,"elongation":80.893},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.935,"opposition_distance":99.107}},"eclipse_window_40days":[]},"city":{"slug":"patna","name":"Patna, Bihar","lat":25.5941,"lon":85.1376,"tz_offset_hours":5.5,"state":"Bihar","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"patna","name":"Patna, Bihar","lat":25.5941,"lon":85.1376,"tz_offset_hours":5.5,"state":"Bihar","country":"IN","tier":"tier-1"},"sunriseLocal":"06:38","sunsetLocal":"17:21","solarNoonLocal":"11:59","dayLengthHours":10.729578232050017,"dayLengthDisplay":"10 Hours 43 Mins 46 Secs","nightLengthDisplay":"13 Hours 16 Mins 14 Secs","moonriseLocal":"00:57","moonsetLocal":"12:11","rahuKala":{"name":"Rāhu Kāla","start":"14:40","end":"16:01","startHours":14.673656037114316,"endHours":16.01485331612057,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:19","end":"10:39","startHours":9.308866921089308,"endHours":10.65006420009556,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:59","end":"13:20","startHours":11.991261479101812,"endHours":13.332458758108064,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.130040617221807,"endHours":9.487693224956807,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:22","startHours":7.073538122745553,"endHours":7.359660208933554,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:21","startHours":11.633608871366812,"endHours":12.348914086836812,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:55","startHours":5.1958619321368005,"endHours":5.911167147606802,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:38","startHours":5.732340843739301,"endHours":6.626472363076803,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:47","end":"14:30","startHours":13.779524517776814,"endHours":14.494829733246815,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.15605059512682,"endHours":17.55605059512682,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:48","startHours":17.35605059512682,"endHours":17.80311635479557,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.10605059512682,"endHours":18.85605059512682,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:21","startHours":23.63360887136681,"endHours":24.348914086836814,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:38","end":"07:58","startHours":6.626472363076803,"endHours":7.967669642083055,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:19","startHours":7.967669642083055,"endHours":9.308866921089308,"quality":"inauspicious"},{"name":"Chala","start":"09:19","end":"10:39","startHours":9.308866921089308,"endHours":10.65006420009556,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"11:59","startHours":10.65006420009556,"endHours":11.991261479101812,"quality":"auspicious"},{"name":"Amṛta","start":"11:59","end":"13:20","startHours":11.991261479101812,"endHours":13.332458758108064,"quality":"auspicious"},{"name":"Kāla","start":"13:20","end":"14:40","startHours":13.332458758108064,"endHours":14.673656037114316,"quality":"inauspicious"},{"name":"Śubha","start":"14:40","end":"16:01","startHours":14.673656037114316,"endHours":16.01485331612057,"quality":"auspicious"},{"name":"Roga","start":"16:01","end":"17:21","startHours":16.01485331612057,"endHours":17.35605059512682,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:21","end":"19:01","startHours":17.35605059512682,"endHours":19.01485331612057,"quality":"inauspicious"},{"name":"Śubha","start":"19:01","end":"20:40","startHours":19.01485331612057,"endHours":20.673656037114316,"quality":"auspicious"},{"name":"Roga","start":"20:40","end":"22:20","startHours":20.673656037114316,"endHours":22.332458758108064,"quality":"inauspicious"},{"name":"Udveg","start":"22:20","end":"23:59","startHours":22.332458758108064,"endHours":23.991261479101812,"quality":"inauspicious"},{"name":"Chala","start":"23:59","end":"01:39","startHours":23.991261479101812,"endHours":25.65006420009556,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"03:19","startHours":25.65006420009556,"endHours":27.308866921089308,"quality":"auspicious"},{"name":"Amṛta","start":"03:19","end":"04:58","startHours":27.308866921089308,"endHours":28.967669642083056,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:38","startHours":28.967669642083056,"endHours":30.626472363076804,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:38","end":"07:38","startHours":6.626472363076803,"endHours":7.626472363076803,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:38","end":"08:38","startHours":7.626472363076803,"endHours":8.626472363076804,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:38","end":"09:38","startHours":8.626472363076804,"endHours":9.626472363076804,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:38","end":"10:38","startHours":9.626472363076804,"endHours":10.626472363076804,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:38","end":"11:38","startHours":10.626472363076804,"endHours":11.626472363076804,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:38","end":"12:38","startHours":11.626472363076804,"endHours":12.626472363076804,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:38","end":"13:38","startHours":12.626472363076804,"endHours":13.626472363076804,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:38","end":"14:38","startHours":13.626472363076804,"endHours":14.626472363076804,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:38","end":"15:38","startHours":14.626472363076804,"endHours":15.626472363076804,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:38","end":"16:38","startHours":15.626472363076804,"endHours":16.626472363076804,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:38","end":"17:38","startHours":16.626472363076804,"endHours":17.626472363076804,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:38","end":"18:38","startHours":17.626472363076804,"endHours":18.626472363076804,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:38","end":"19:38","startHours":18.626472363076804,"endHours":19.626472363076804,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:38","end":"20:38","startHours":19.626472363076804,"endHours":20.626472363076804,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:38","end":"21:38","startHours":20.626472363076804,"endHours":21.626472363076804,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:38","end":"22:38","startHours":21.626472363076804,"endHours":22.626472363076804,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:38","end":"23:38","startHours":22.626472363076804,"endHours":23.626472363076804,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:38","end":"00:38","startHours":23.626472363076804,"endHours":24.626472363076804,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:38","end":"01:38","startHours":24.626472363076804,"endHours":25.626472363076804,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:38","end":"02:38","startHours":25.626472363076804,"endHours":26.626472363076804,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:38","end":"03:38","startHours":26.626472363076804,"endHours":27.626472363076804,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:38","end":"04:38","startHours":27.626472363076804,"endHours":28.626472363076804,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:38","end":"05:38","startHours":28.626472363076804,"endHours":29.626472363076804,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:38","end":"06:38","startHours":29.626472363076804,"endHours":30.626472363076804,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.887088507339147,"eotMinutes":-10.026088746108654,"ayanamsa":24.0212}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"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":false,"location_specific":"patna"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 17, 2012 CE · Patna, Bihar · Vidhyamitra","description":"January 17, 2012 CE for Patna, Bihar: Kṛṣṇa Navamī, sūryodaya 06:38, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/patna/2012-01-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/patna/2012-01-17","sa":"https://sa.vidhyamitra.com/city/patna/2012-01-17","hi":"https://hi.vidhyamitra.com/city/patna/2012-01-17","x-default":"https://vidhyamitra.com/city/patna/2012-01-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:20:27.804Z","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":"2026-06-02T00:20:27.804Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:20:27.804Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}