{"id":"vidhyamitra:city-day:ranchi:1990-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1990-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-08-18","date_display":"August 18, 1990 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":1990,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448121.770833,"kali_year":5092,"ahargana":1859656.2708,"sun":{"sidereal_longitude":120.525,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":90.055,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.53,"elapsed_within_tithi_degrees":5.53},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.055,"elapsed_within_degrees":10.055},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.58},"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":1990,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448121.770833,"ahargana":1859656.2708,"kali_year":5092,"ayanamsa_lahiri":23.7221,"grahas":{"sun":{"sidereal_longitude":121.12920299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":89.19740300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":1.2698},"mars":{"sidereal_longitude":29.181303000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":147.653903,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":96.22630300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":101.47420299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":265.812903,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":286.4615,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":106.4615,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448121.770833,"kali_year":5092,"ahargana":1859656.2708,"sun":{"sidereal_longitude":120.525,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":90.055,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.53,"elapsed_within_tithi_degrees":5.53},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.055,"elapsed_within_degrees":10.055},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.58},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.27,"elongation":30.47},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.27,"opposition_distance":149.53}},"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":"05:25","sunsetLocal":"18:19","solarNoonLocal":"11:52","dayLengthHours":12.901901724572241,"dayLengthDisplay":"12 Hours 54 Mins 07 Secs","nightLengthDisplay":"11 Hours 05 Mins 53 Secs","moonriseLocal":"03:03","moonsetLocal":"16:26","rahuKala":{"name":"Rāhu Kāla","start":"08:39","end":"10:16","startHours":8.646018864205445,"endHours":10.258756579776975,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:29","end":"15:06","startHours":13.484232010920035,"endHours":15.096969726491565,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:25","end":"07:02","startHours":5.420543433062384,"endHours":7.033281148633914,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:52","startHours":8.430987168795907,"endHours":8.86105055961498,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:18","startHours":5.958122671586227,"endHours":6.302173384241486,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:18","startHours":11.44143090452943,"endHours":12.30155768616758,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:42","end":"04:34","startHours":3.7002898697860847,"endHours":4.560416651424235,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:21","end":"05:25","startHours":4.345384956014697,"endHours":5.420543433062384,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:53","startHours":14.021811249443878,"endHours":14.881938031082028,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.122445157634626,"endHours":18.522445157634625,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:52","startHours":18.322445157634625,"endHours":18.86002439615847,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.072445157634625,"endHours":19.822445157634625,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:18","startHours":23.44143090452943,"endHours":24.30155768616758,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:25","end":"07:02","startHours":5.420543433062384,"endHours":7.033281148633914,"quality":"inauspicious"},{"name":"Śubha","start":"07:02","end":"08:39","startHours":7.033281148633914,"endHours":8.646018864205445,"quality":"auspicious"},{"name":"Roga","start":"08:39","end":"10:16","startHours":8.646018864205445,"endHours":10.258756579776975,"quality":"inauspicious"},{"name":"Udveg","start":"10:16","end":"11:52","startHours":10.258756579776975,"endHours":11.871494295348505,"quality":"inauspicious"},{"name":"Chala","start":"11:52","end":"13:29","startHours":11.871494295348505,"endHours":13.484232010920035,"quality":"neutral"},{"name":"Labha","start":"13:29","end":"15:06","startHours":13.484232010920035,"endHours":15.096969726491565,"quality":"auspicious"},{"name":"Amṛta","start":"15:06","end":"16:43","startHours":15.096969726491565,"endHours":16.709707442063095,"quality":"auspicious"},{"name":"Kāla","start":"16:43","end":"18:19","startHours":16.709707442063095,"endHours":18.322445157634625,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:19","end":"19:43","startHours":18.322445157634625,"endHours":19.709707442063095,"quality":"auspicious"},{"name":"Amṛta","start":"19:43","end":"21:06","startHours":19.709707442063095,"endHours":21.096969726491565,"quality":"auspicious"},{"name":"Kāla","start":"21:06","end":"22:29","startHours":21.096969726491565,"endHours":22.484232010920035,"quality":"inauspicious"},{"name":"Śubha","start":"22:29","end":"23:52","startHours":22.484232010920035,"endHours":23.871494295348505,"quality":"auspicious"},{"name":"Roga","start":"23:52","end":"01:16","startHours":23.871494295348505,"endHours":25.258756579776975,"quality":"inauspicious"},{"name":"Udveg","start":"01:16","end":"02:39","startHours":25.258756579776975,"endHours":26.646018864205445,"quality":"inauspicious"},{"name":"Chala","start":"02:39","end":"04:02","startHours":26.646018864205445,"endHours":28.033281148633915,"quality":"neutral"},{"name":"Labha","start":"04:02","end":"05:25","startHours":28.033281148633915,"endHours":29.420543433062385,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.420543433062384,"endHours":6.420543433062384,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.420543433062384,"endHours":7.420543433062384,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.420543433062384,"endHours":8.420543433062385,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.420543433062385,"endHours":9.420543433062385,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.420543433062385,"endHours":10.420543433062385,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.420543433062385,"endHours":11.420543433062385,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.420543433062385,"endHours":12.420543433062385,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.420543433062385,"endHours":13.420543433062385,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.420543433062385,"endHours":14.420543433062385,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.420543433062385,"endHours":15.420543433062385,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.420543433062385,"endHours":16.420543433062385,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.420543433062385,"endHours":17.420543433062385,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.420543433062385,"endHours":18.420543433062385,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.420543433062385,"endHours":19.420543433062385,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.420543433062385,"endHours":20.420543433062385,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.420543433062385,"endHours":21.420543433062385,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.420543433062385,"endHours":22.420543433062385,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.420543433062385,"endHours":23.420543433062385,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.420543433062385,"endHours":24.420543433062385,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.420543433062385,"endHours":25.420543433062385,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.420543433062385,"endHours":26.420543433062385,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.420543433062385,"endHours":27.420543433062385,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.420543433062385,"endHours":28.420543433062385,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.420543433062385,"endHours":29.420543433062385,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.236717950910284,"eotMinutes":-3.5280577209103767,"ayanamsa":23.7221}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 August 18, 1990 CE · Ranchi, Jharkhand · Vidhyamitra","description":"August 18, 1990 CE for Ranchi, Jharkhand: Kṛṣṇa Trayodaśī, sūryodaya 05:25, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1990-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1990-08-18","sa":"https://sa.vidhyamitra.com/city/ranchi/1990-08-18","hi":"https://hi.vidhyamitra.com/city/ranchi/1990-08-18","x-default":"https://vidhyamitra.com/city/ranchi/1990-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:57:49.729Z","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":"2026-05-31T18:57:49.729Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:57:49.729Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}