{"id":"vidhyamitra:city-day:ranchi:1985-05-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1985-05-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-05-13","date_display":"May 13, 1985 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":1985,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446198.770833,"kali_year":5087,"ahargana":1857733.2708,"sun":{"sidereal_longitude":28.6151,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":310.8317,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2166,"elapsed_within_tithi_degrees":6.2166},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.8317,"elapsed_within_degrees":4.1651},"yoga":{"number":26,"name":"Indra","sum_longitude":339.4469},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1985,"month":5,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446198.770833,"ahargana":1857733.2708,"kali_year":5087,"ayanamsa_lahiri":23.6485,"grahas":{"sun":{"sidereal_longitude":28.58657599999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":313.64537599999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":-4.3935},"mars":{"sidereal_longitude":48.080175999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":4.833276000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":293.390576,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":348.083076,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":211.04997600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":28.3513,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":208.3513,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":5,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446198.770833,"kali_year":5087,"ahargana":1857733.2708,"sun":{"sidereal_longitude":28.6151,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":310.8317,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.2166,"elapsed_within_tithi_degrees":6.2166},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.8317,"elapsed_within_degrees":4.1651},"yoga":{"number":26,"name":"Indra","sum_longitude":339.4469},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.393,"elongation":77.783},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.393,"opposition_distance":102.217}},"eclipse_window_40days":[{"offset_days":7,"type":"solar","occurs":true,"moon_latitude":0.744,"elongation":2.194}]},"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":"05:08","sunsetLocal":"18:22","solarNoonLocal":"11:45","dayLengthHours":13.224701755729022,"dayLengthDisplay":"13 Hours 13 Mins 29 Secs","nightLengthDisplay":"10 Hours 46 Mins 31 Secs","moonriseLocal":"00:58","moonsetLocal":"12:32","rahuKala":{"name":"Rāhu Kāla","start":"06:47","end":"08:27","startHours":6.790872862542344,"endHours":8.443960582008472,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:06","end":"11:45","startHours":10.097048301474599,"endHours":11.750136020940726,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:24","end":"15:03","startHours":13.403223740406855,"endHours":15.056311459872983,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:13","end":"08:40","startHours":8.223548886079655,"endHours":8.66437227793729,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:41","end":"06:02","startHours":5.688814382898259,"endHours":6.041473096384366,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:19","end":"12:11","startHours":11.309312629083092,"endHours":12.19095941279836,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:15","startHours":3.3744915756456795,"endHours":4.256138359360948,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:08","startHours":4.035726663432131,"endHours":5.137785143076216,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:50","startHours":13.954252980228897,"endHours":14.835899763944166,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.162486898805238,"endHours":18.562486898805236,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:55","startHours":18.362486898805237,"endHours":18.91351613862728,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.112486898805237,"endHours":19.862486898805237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:19","end":"00:11","startHours":23.30931262908309,"endHours":24.19095941279836,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:08","end":"06:47","startHours":5.137785143076216,"endHours":6.790872862542344,"quality":"auspicious"},{"name":"Kāla","start":"06:47","end":"08:27","startHours":6.790872862542344,"endHours":8.443960582008472,"quality":"inauspicious"},{"name":"Śubha","start":"08:27","end":"10:06","startHours":8.443960582008472,"endHours":10.097048301474599,"quality":"auspicious"},{"name":"Roga","start":"10:06","end":"11:45","startHours":10.097048301474599,"endHours":11.750136020940726,"quality":"inauspicious"},{"name":"Udveg","start":"11:45","end":"13:24","startHours":11.750136020940726,"endHours":13.403223740406855,"quality":"inauspicious"},{"name":"Chala","start":"13:24","end":"15:03","startHours":13.403223740406855,"endHours":15.056311459872983,"quality":"neutral"},{"name":"Labha","start":"15:03","end":"16:43","startHours":15.056311459872983,"endHours":16.70939917933911,"quality":"auspicious"},{"name":"Amṛta","start":"16:43","end":"18:22","startHours":16.70939917933911,"endHours":18.362486898805237,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:22","end":"19:43","startHours":18.362486898805237,"endHours":19.70939917933911,"quality":"neutral"},{"name":"Labha","start":"19:43","end":"21:03","startHours":19.70939917933911,"endHours":21.05631145987298,"quality":"auspicious"},{"name":"Amṛta","start":"21:03","end":"22:24","startHours":21.05631145987298,"endHours":22.403223740406855,"quality":"auspicious"},{"name":"Kāla","start":"22:24","end":"23:45","startHours":22.403223740406855,"endHours":23.750136020940726,"quality":"inauspicious"},{"name":"Śubha","start":"23:45","end":"01:06","startHours":23.750136020940726,"endHours":25.097048301474597,"quality":"auspicious"},{"name":"Roga","start":"01:06","end":"02:27","startHours":25.097048301474597,"endHours":26.443960582008472,"quality":"inauspicious"},{"name":"Udveg","start":"02:27","end":"03:47","startHours":26.443960582008472,"endHours":27.790872862542344,"quality":"inauspicious"},{"name":"Chala","start":"03:47","end":"05:08","startHours":27.790872862542344,"endHours":29.137785143076215,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.137785143076216,"endHours":6.137785143076216,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.137785143076216,"endHours":7.137785143076216,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.137785143076216,"endHours":8.137785143076215,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.137785143076215,"endHours":9.137785143076215,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.137785143076215,"endHours":10.137785143076215,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.137785143076215,"endHours":11.137785143076215,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.137785143076215,"endHours":12.137785143076215,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.137785143076215,"endHours":13.137785143076215,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.137785143076215,"endHours":14.137785143076215,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.137785143076215,"endHours":15.137785143076215,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.137785143076215,"endHours":16.137785143076215,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.137785143076215,"endHours":17.137785143076215,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.137785143076215,"endHours":18.137785143076215,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.137785143076215,"endHours":19.137785143076215,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.137785143076215,"endHours":20.137785143076215,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.137785143076215,"endHours":21.137785143076215,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.137785143076215,"endHours":22.137785143076215,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.137785143076215,"endHours":23.137785143076215,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.137785143076215,"endHours":24.137785143076215,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.137785143076215,"endHours":25.137785143076215,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.137785143076215,"endHours":26.137785143076215,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.137785143076215,"endHours":27.137785143076215,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.137785143076215,"endHours":28.137785143076215,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.137785143076215,"endHours":29.137785143076215,"planetary_lord":"Venus"}],"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","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.32577157698955,"eotMinutes":3.7534387435564067,"ayanamsa":23.6485}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Navamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 13, 1985 CE · Ranchi, Jharkhand · Vidhyamitra","description":"May 13, 1985 CE for Ranchi, Jharkhand: Kṛṣṇa Navamī, sūryodaya 05:08, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1985-05-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1985-05-13","sa":"https://sa.vidhyamitra.com/city/ranchi/1985-05-13","hi":"https://hi.vidhyamitra.com/city/ranchi/1985-05-13","x-default":"https://vidhyamitra.com/city/ranchi/1985-05-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:19:05.366Z","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":"2026-06-01T02:19:05.366Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:19:05.366Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}