{"id":"vidhyamitra:city-day:patna:2017-01-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/patna/2017-01-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-01-06","date_display":"January 6, 2017 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":2017,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457759.770833,"kali_year":5118,"ahargana":1869294.2708,"sun":{"sidereal_longitude":261.585,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.9737,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.3887,"elapsed_within_tithi_degrees":11.3887},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9737,"elapsed_within_degrees":10.307},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.5587},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2017,"month":1,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457759.770833,"ahargana":1869294.2708,"kali_year":5118,"ayanamsa_lahiri":24.0907,"grahas":{"sun":{"sidereal_longitude":261.8141599999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":354.57226,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-2.9612},"mars":{"sidereal_longitude":318.98396,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":244.83006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":177.04826000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":308.55796,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":237.65825999999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":135.7939,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":315.7939,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":2017,"month":1,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457759.770833,"kali_year":5118,"ahargana":1869294.2708,"sun":{"sidereal_longitude":261.585,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.9737,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.3887,"elapsed_within_tithi_degrees":11.3887},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9737,"elapsed_within_degrees":10.307},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.5587},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.961,"elongation":95.389},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.961,"opposition_distance":84.611}},"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":"06:37","sunsetLocal":"17:14","solarNoonLocal":"11:55","dayLengthHours":10.61075248850117,"dayLengthDisplay":"10 Hours 36 Mins 39 Secs","nightLengthDisplay":"13 Hours 23 Mins 21 Secs","moonriseLocal":"11:50","moonsetLocal":"00:23","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"11:55","startHours":10.595742957386918,"endHours":11.922087018449563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:34","end":"15:54","startHours":14.574775140574857,"endHours":15.901119201637503,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:57","end":"09:16","startHours":7.943054835261625,"endHours":9.269398896324272,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:27","startHours":9.092553021515918,"endHours":9.446244771132625,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:04","end":"07:21","startHours":7.058825461219861,"endHours":7.341778860913226,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:17","startHours":11.568395268832857,"endHours":12.275778768066269,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:55","startHours":5.201943775732156,"endHours":5.909327274965568,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:44","end":"06:37","startHours":5.732481400157215,"endHours":6.616710774198979,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:24","startHours":13.690545766533091,"endHours":14.397929265766503,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.02746326270015,"endHours":17.427463262700147,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:40","startHours":17.227463262700148,"endHours":17.66957794972103,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.977463262700148,"endHours":18.727463262700148,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:17","startHours":23.56839526883286,"endHours":24.275778768066267,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:37","end":"07:57","startHours":6.616710774198979,"endHours":7.943054835261625,"quality":"neutral"},{"name":"Labha","start":"07:57","end":"09:16","startHours":7.943054835261625,"endHours":9.269398896324272,"quality":"auspicious"},{"name":"Amṛta","start":"09:16","end":"10:36","startHours":9.269398896324272,"endHours":10.595742957386918,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"11:55","startHours":10.595742957386918,"endHours":11.922087018449563,"quality":"inauspicious"},{"name":"Śubha","start":"11:55","end":"13:15","startHours":11.922087018449563,"endHours":13.24843107951221,"quality":"auspicious"},{"name":"Roga","start":"13:15","end":"14:34","startHours":13.24843107951221,"endHours":14.574775140574857,"quality":"inauspicious"},{"name":"Udveg","start":"14:34","end":"15:54","startHours":14.574775140574857,"endHours":15.901119201637503,"quality":"inauspicious"},{"name":"Chala","start":"15:54","end":"17:14","startHours":15.901119201637503,"endHours":17.227463262700148,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:14","end":"18:54","startHours":17.227463262700148,"endHours":18.901119201637503,"quality":"inauspicious"},{"name":"Udveg","start":"18:54","end":"20:34","startHours":18.901119201637503,"endHours":20.574775140574857,"quality":"inauspicious"},{"name":"Chala","start":"20:34","end":"22:15","startHours":20.574775140574857,"endHours":22.24843107951221,"quality":"neutral"},{"name":"Labha","start":"22:15","end":"23:55","startHours":22.24843107951221,"endHours":23.922087018449563,"quality":"auspicious"},{"name":"Amṛta","start":"23:55","end":"01:36","startHours":23.922087018449563,"endHours":25.595742957386918,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:16","startHours":25.595742957386918,"endHours":27.26939889632427,"quality":"inauspicious"},{"name":"Śubha","start":"03:16","end":"04:57","startHours":27.26939889632427,"endHours":28.943054835261623,"quality":"auspicious"},{"name":"Roga","start":"04:57","end":"06:37","startHours":28.943054835261623,"endHours":30.616710774198978,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:37","end":"07:37","startHours":6.616710774198979,"endHours":7.616710774198979,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:37","end":"08:37","startHours":7.616710774198979,"endHours":8.616710774198978,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:37","end":"09:37","startHours":8.616710774198978,"endHours":9.616710774198978,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:37","end":"10:37","startHours":9.616710774198978,"endHours":10.616710774198978,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:37","end":"11:37","startHours":10.616710774198978,"endHours":11.616710774198978,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:37","end":"12:37","startHours":11.616710774198978,"endHours":12.616710774198978,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:37","end":"13:37","startHours":12.616710774198978,"endHours":13.616710774198978,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:37","end":"14:37","startHours":13.616710774198978,"endHours":14.616710774198978,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:37","end":"15:37","startHours":14.616710774198978,"endHours":15.616710774198978,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:37","end":"16:37","startHours":15.616710774198978,"endHours":16.616710774198978,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:37","end":"17:37","startHours":16.616710774198978,"endHours":17.616710774198978,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:37","end":"18:37","startHours":17.616710774198978,"endHours":18.616710774198978,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:37","end":"19:37","startHours":18.616710774198978,"endHours":19.616710774198978,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:37","end":"20:37","startHours":19.616710774198978,"endHours":20.616710774198978,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:37","end":"21:37","startHours":20.616710774198978,"endHours":21.616710774198978,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:37","end":"22:37","startHours":21.616710774198978,"endHours":22.616710774198978,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:37","end":"23:37","startHours":22.616710774198978,"endHours":23.616710774198978,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:37","end":"00:37","startHours":23.616710774198978,"endHours":24.616710774198978,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:37","end":"01:37","startHours":24.616710774198978,"endHours":25.616710774198978,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:37","end":"02:37","startHours":25.616710774198978,"endHours":26.616710774198978,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:37","end":"03:37","startHours":26.616710774198978,"endHours":27.616710774198978,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:37","end":"04:37","startHours":27.616710774198978,"endHours":28.616710774198978,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:37","end":"05:37","startHours":28.616710774198978,"endHours":29.616710774198978,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:37","end":"06:37","startHours":29.616710774198978,"endHours":30.616710774198978,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.48902734561168,"eotMinutes":-5.875621106973772,"ayanamsa":24.0907}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Aṣṭamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 6, 2017 CE · Patna, Bihar · Vidhyamitra","description":"January 6, 2017 CE for Patna, Bihar: Śukla Aṣṭamī, sūryodaya 06:37, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/patna/2017-01-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/patna/2017-01-06","sa":"https://sa.vidhyamitra.com/city/patna/2017-01-06","hi":"https://hi.vidhyamitra.com/city/patna/2017-01-06","x-default":"https://vidhyamitra.com/city/patna/2017-01-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:40:00.486Z","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":"2026-06-03T02:40:00.486Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:40:00.486Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}