{"id":"vidhyamitra:city-day:ranchi:2016-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2016-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-01-31","date_display":"January 31, 2016 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":2016,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457418.770833,"kali_year":5117,"ahargana":1868953.2708,"sun":{"sidereal_longitude":286.471,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":186.6777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":260.2066,"elapsed_within_tithi_degrees":8.2066},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.6777,"elapsed_within_degrees":0.011},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.1487},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2016,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457418.770833,"ahargana":1868953.2708,"kali_year":5117,"ayanamsa_lahiri":24.0776,"grahas":{"sun":{"sidereal_longitude":286.502889,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":184.44698900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":2.437},"mars":{"sidereal_longitude":200.168089,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":262.068889,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":147.60908900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":254.53598899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":229.75108899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":153.8617,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":333.8617,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":2016,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457418.770833,"kali_year":5117,"ahargana":1868953.2708,"sun":{"sidereal_longitude":286.471,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":186.6777,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":260.2066,"elapsed_within_tithi_degrees":8.2066},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":186.6777,"elapsed_within_degrees":0.011},"yoga":{"number":9,"name":"Śūla","sum_longitude":113.1487},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.437,"elongation":99.793},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.437,"opposition_distance":80.207}},"eclipse_window_40days":[]},"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"ranchi","name":"Ranchi, Jharkhand","lat":23.3441,"lon":85.3096,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:30","sunsetLocal":"17:35","solarNoonLocal":"12:02","dayLengthHours":11.0799115144024,"dayLengthDisplay":"11 Hours 04 Mins 48 Secs","nightLengthDisplay":"12 Hours 55 Mins 12 Secs","moonriseLocal":"23:31","moonsetLocal":"10:58","rahuKala":{"name":"Rāhu Kāla","start":"16:12","end":"17:35","startHours":16.193153293598268,"endHours":17.578142232898568,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:25","startHours":12.038186475697367,"endHours":13.423175414997667,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:12","startHours":14.808164354297968,"endHours":16.193153293598268,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:27","startHours":9.08354340519006,"endHours":9.452873789003474,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:15","startHours":6.959893698262934,"endHours":7.255358005313664,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:24","startHours":11.668856091883955,"endHours":12.40751685951078,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:46","startHours":5.020909183242513,"endHours":5.7595699508693405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:30","startHours":5.574904758962633,"endHours":6.498230718496167,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:37","startHours":13.884838394764435,"endHours":14.623499162391262,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.37814223289857,"endHours":17.778142232898567,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:02","startHours":17.578142232898568,"endHours":18.039805212665335,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.328142232898568,"endHours":19.078142232898568,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:24","startHours":23.668856091883953,"endHours":24.40751685951078,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:30","end":"07:53","startHours":6.498230718496167,"endHours":7.883219657796467,"quality":"inauspicious"},{"name":"Chala","start":"07:53","end":"09:16","startHours":7.883219657796467,"endHours":9.268208597096766,"quality":"neutral"},{"name":"Labha","start":"09:16","end":"10:39","startHours":9.268208597096766,"endHours":10.653197536397068,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:02","startHours":10.653197536397068,"endHours":12.038186475697367,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:25","startHours":12.038186475697367,"endHours":13.423175414997667,"quality":"inauspicious"},{"name":"Śubha","start":"13:25","end":"14:48","startHours":13.423175414997667,"endHours":14.808164354297968,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:12","startHours":14.808164354297968,"endHours":16.193153293598268,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:35","startHours":16.193153293598268,"endHours":17.578142232898568,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:35","end":"19:12","startHours":17.578142232898568,"endHours":19.193153293598268,"quality":"auspicious"},{"name":"Roga","start":"19:12","end":"20:48","startHours":19.193153293598268,"endHours":20.80816435429797,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:25","startHours":20.80816435429797,"endHours":22.423175414997665,"quality":"inauspicious"},{"name":"Chala","start":"22:25","end":"00:02","startHours":22.423175414997665,"endHours":24.038186475697366,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:39","startHours":24.038186475697366,"endHours":25.653197536397066,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:16","startHours":25.653197536397066,"endHours":27.268208597096766,"quality":"auspicious"},{"name":"Kāla","start":"03:16","end":"04:53","startHours":27.268208597096766,"endHours":28.883219657796467,"quality":"inauspicious"},{"name":"Śubha","start":"04:53","end":"06:30","startHours":28.883219657796467,"endHours":30.498230718496167,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.498230718496167,"endHours":7.498230718496167,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.498230718496167,"endHours":8.498230718496167,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.498230718496167,"endHours":9.498230718496167,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.498230718496167,"endHours":10.498230718496167,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.498230718496167,"endHours":11.498230718496167,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.498230718496167,"endHours":12.498230718496167,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.498230718496167,"endHours":13.498230718496167,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.498230718496167,"endHours":14.498230718496167,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.498230718496167,"endHours":15.498230718496167,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.498230718496167,"endHours":16.498230718496167,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.498230718496167,"endHours":17.498230718496167,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.498230718496167,"endHours":18.498230718496167,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.498230718496167,"endHours":19.498230718496167,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.498230718496167,"endHours":20.498230718496167,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.498230718496167,"endHours":21.498230718496167,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.498230718496167,"endHours":22.498230718496167,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.498230718496167,"endHours":23.498230718496167,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.498230718496167,"endHours":24.498230718496167,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.498230718496167,"endHours":25.498230718496167,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.498230718496167,"endHours":26.498230718496167,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.498230718496167,"endHours":27.498230718496167,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.498230718496167,"endHours":28.498230718496167,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.498230718496167,"endHours":29.498230718496167,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.498230718496167,"endHours":30.498230718496167,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.582273300030476,"eotMinutes":-13.52958854184206,"ayanamsa":24.0776}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Saptamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ranchi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 2016 CE · Ranchi, Jharkhand · Vidhyamitra","description":"January 31, 2016 CE for Ranchi, Jharkhand: Kṛṣṇa Saptamī, sūryodaya 06:30, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2016-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2016-01-31","sa":"https://sa.vidhyamitra.com/city/ranchi/2016-01-31","hi":"https://hi.vidhyamitra.com/city/ranchi/2016-01-31","x-default":"https://vidhyamitra.com/city/ranchi/2016-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:59:05.916Z","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":"2026-05-15T06:59:05.916Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:59:05.916Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}