{"id":"vidhyamitra:city-day:ranchi:1990-03-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1990-03-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-03-31","date_display":"March 31, 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":3,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447981.770833,"kali_year":5091,"ahargana":1859516.2708,"sun":{"sidereal_longitude":346.5427,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":42.0275,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.4848,"elapsed_within_tithi_degrees":7.4848},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.0275,"elapsed_within_degrees":2.0275},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.5702},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":3,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447981.770833,"ahargana":1859516.2708,"kali_year":5091,"ayanamsa_lahiri":23.7167,"grahas":{"sun":{"sidereal_longitude":346.351252,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":45.047551999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":4.2757},"mars":{"sidereal_longitude":290.808852,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":358.468352,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":69.060652,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":300.0000520000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":270.409352,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":293.8794,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.8794,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":3,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447981.770833,"kali_year":5091,"ahargana":1859516.2708,"sun":{"sidereal_longitude":346.5427,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":42.0275,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":55.4848,"elapsed_within_tithi_degrees":7.4848},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":42.0275,"elapsed_within_degrees":2.0275},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.5702},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.276,"elongation":55.485},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.276,"opposition_distance":124.515}},"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":"05:43","sunsetLocal":"18:04","solarNoonLocal":"11:53","dayLengthHours":12.351180829446754,"dayLengthDisplay":"12 Hours 21 Mins 04 Secs","nightLengthDisplay":"11 Hours 38 Mins 56 Secs","moonriseLocal":"09:06","moonsetLocal":"22:31","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:21","startHours":8.802593149573084,"endHours":10.34649075325393,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:26","end":"14:59","startHours":13.434285960615618,"endHours":14.978183564296462,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:43","end":"07:16","startHours":5.714797942211397,"endHours":7.258695545892241,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:01","startHours":8.596740135748973,"endHours":9.008446163397197,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:34","startHours":6.229430476771678,"endHours":6.558795298890258,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.47868232928655,"endHours":12.302094384583,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:53","startHours":4.067973831618496,"endHours":4.8913858869149465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:43","startHours":4.685532873090834,"endHours":5.714797942211397,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.9489184951759,"endHours":14.772330550472349,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.865978771658153,"endHours":18.26597877165815,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:35","startHours":18.065978771658152,"endHours":18.580611306218433,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.815978771658152,"endHours":19.565978771658152,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.47868232928655,"endHours":24.302094384583,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:43","end":"07:16","startHours":5.714797942211397,"endHours":7.258695545892241,"quality":"inauspicious"},{"name":"Śubha","start":"07:16","end":"08:48","startHours":7.258695545892241,"endHours":8.802593149573084,"quality":"auspicious"},{"name":"Roga","start":"08:48","end":"10:21","startHours":8.802593149573084,"endHours":10.34649075325393,"quality":"inauspicious"},{"name":"Udveg","start":"10:21","end":"11:53","startHours":10.34649075325393,"endHours":11.890388356934775,"quality":"inauspicious"},{"name":"Chala","start":"11:53","end":"13:26","startHours":11.890388356934775,"endHours":13.434285960615618,"quality":"neutral"},{"name":"Labha","start":"13:26","end":"14:59","startHours":13.434285960615618,"endHours":14.978183564296462,"quality":"auspicious"},{"name":"Amṛta","start":"14:59","end":"16:31","startHours":14.978183564296462,"endHours":16.52208116797731,"quality":"auspicious"},{"name":"Kāla","start":"16:31","end":"18:04","startHours":16.52208116797731,"endHours":18.065978771658152,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:04","end":"19:31","startHours":18.065978771658152,"endHours":19.52208116797731,"quality":"auspicious"},{"name":"Amṛta","start":"19:31","end":"20:59","startHours":19.52208116797731,"endHours":20.978183564296465,"quality":"auspicious"},{"name":"Kāla","start":"20:59","end":"22:26","startHours":20.978183564296465,"endHours":22.434285960615618,"quality":"inauspicious"},{"name":"Śubha","start":"22:26","end":"23:53","startHours":22.434285960615618,"endHours":23.890388356934775,"quality":"auspicious"},{"name":"Roga","start":"23:53","end":"01:21","startHours":23.890388356934775,"endHours":25.34649075325393,"quality":"inauspicious"},{"name":"Udveg","start":"01:21","end":"02:48","startHours":25.34649075325393,"endHours":26.802593149573084,"quality":"inauspicious"},{"name":"Chala","start":"02:48","end":"04:16","startHours":26.802593149573084,"endHours":28.25869554589224,"quality":"neutral"},{"name":"Labha","start":"04:16","end":"05:43","startHours":28.25869554589224,"endHours":29.714797942211398,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:43","end":"06:43","startHours":5.714797942211397,"endHours":6.714797942211397,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:43","end":"07:43","startHours":6.714797942211397,"endHours":7.714797942211397,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:43","end":"08:43","startHours":7.714797942211397,"endHours":8.714797942211398,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:43","end":"09:43","startHours":8.714797942211398,"endHours":9.714797942211398,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:43","end":"10:43","startHours":9.714797942211398,"endHours":10.714797942211398,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:43","end":"11:43","startHours":10.714797942211398,"endHours":11.714797942211398,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:43","end":"12:43","startHours":11.714797942211398,"endHours":12.714797942211398,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:43","end":"13:43","startHours":12.714797942211398,"endHours":13.714797942211398,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:43","end":"14:43","startHours":13.714797942211398,"endHours":14.714797942211398,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:43","end":"15:43","startHours":14.714797942211398,"endHours":15.714797942211398,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:43","end":"16:43","startHours":15.714797942211398,"endHours":16.714797942211398,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:43","end":"17:43","startHours":16.714797942211398,"endHours":17.714797942211398,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:43","end":"18:43","startHours":17.714797942211398,"endHours":18.714797942211398,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:43","end":"19:43","startHours":18.714797942211398,"endHours":19.714797942211398,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:43","end":"20:43","startHours":19.714797942211398,"endHours":20.714797942211398,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:43","end":"21:43","startHours":20.714797942211398,"endHours":21.714797942211398,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:43","end":"22:43","startHours":21.714797942211398,"endHours":22.714797942211398,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:43","end":"23:43","startHours":22.714797942211398,"endHours":23.714797942211398,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:43","end":"00:43","startHours":23.714797942211398,"endHours":24.714797942211398,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:43","end":"01:43","startHours":24.714797942211398,"endHours":25.714797942211398,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:43","end":"02:43","startHours":25.714797942211398,"endHours":26.714797942211398,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:43","end":"03:43","startHours":26.714797942211398,"endHours":27.714797942211398,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:43","end":"04:43","startHours":27.714797942211398,"endHours":28.714797942211398,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:43","end":"05:43","startHours":28.714797942211398,"endHours":29.714797942211398,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":3.9869928478761425,"eotMinutes":-4.661701416086492,"ayanamsa":23.7167}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pañcamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"ramanuja-jayanti","name":"Rāmānujācārya Jayantī","name_sanskrit":"रामानुजाचार्य जयन्ती","tradition":"Vaishnava","associated_deity":"Rāmānujācārya (Viśiṣṭādvaita)","significance":"Birth of Rāmānujācārya; Viśiṣṭādvaita-pratiṣṭhāpaka. Caitra Śukla 5.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":3}],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 March 31, 1990 CE · Ranchi, Jharkhand · Vidhyamitra","description":"March 31, 1990 CE for Ranchi, Jharkhand: Śukla Pañcamī, sūryodaya 05:43, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1990-03-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1990-03-31","sa":"https://sa.vidhyamitra.com/city/ranchi/1990-03-31","hi":"https://hi.vidhyamitra.com/city/ranchi/1990-03-31","x-default":"https://vidhyamitra.com/city/ranchi/1990-03-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:18:19.437Z","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":"2026-06-03T04:18:19.437Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:18:19.437Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}