{"id":"vidhyamitra:city-day:ranchi:1997-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1997-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-12-22","date_display":"December 22, 1997 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":1997,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450804.770833,"kali_year":5099,"ahargana":1862339.2708,"sun":{"sidereal_longitude":246.0801,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":158.2039,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1238,"elapsed_within_tithi_degrees":8.1238},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.2039,"elapsed_within_degrees":11.5372},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.284},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1997,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450804.770833,"ahargana":1862339.2708,"kali_year":5099,"ayanamsa_lahiri":23.8247,"grahas":{"sun":{"sidereal_longitude":246.39839299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":157.84029299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":1.08},"mars":{"sidereal_longitude":279.13989300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":235.74019299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":296.40879300000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":279.68059300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":349.700693,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":144.3032,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":324.3032,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"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":1997,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450804.770833,"kali_year":5099,"ahargana":1862339.2708,"sun":{"sidereal_longitude":246.0801,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":158.2039,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1238,"elapsed_within_tithi_degrees":8.1238},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.2039,"elapsed_within_degrees":11.5372},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":44.284},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.08,"elongation":87.876},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.08,"opposition_distance":92.124}},"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":"06:27","sunsetLocal":"17:09","solarNoonLocal":"11:48","dayLengthHours":10.69628671499288,"dayLengthDisplay":"10 Hours 41 Mins 47 Secs","nightLengthDisplay":"13 Hours 18 Mins 13 Secs","moonriseLocal":"23:52","moonsetLocal":"11:55","rahuKala":{"name":"Rāhu Kāla","start":"07:47","end":"09:07","startHours":7.786369030218995,"endHours":9.123404869593106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:28","end":"11:48","startHours":10.460440708967216,"endHours":11.797476548341326,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:08","end":"14:28","startHours":13.134512387715436,"endHours":14.471548227089546,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:18","startHours":8.945133424343224,"endHours":9.301676314842986,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:11","startHours":6.895011803969588,"endHours":7.180246116369398,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:09","startHours":11.440933657841564,"endHours":12.154019438841088,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:44","startHours":5.023161628845834,"endHours":5.73624740984536,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:27","startHours":5.557975964595478,"endHours":6.449333190844885,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:35","end":"14:18","startHours":13.580191000840138,"endHours":14.293276781839664,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:57","end":"17:21","startHours":16.945619905837766,"endHours":17.345619905837765,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:09","end":"17:35","startHours":17.145619905837766,"endHours":17.591298518962468,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:54","end":"18:39","startHours":16.895619905837766,"endHours":18.645619905837766,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:09","startHours":23.440933657841562,"endHours":24.15401943884109,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:27","end":"07:47","startHours":6.449333190844885,"endHours":7.786369030218995,"quality":"auspicious"},{"name":"Kāla","start":"07:47","end":"09:07","startHours":7.786369030218995,"endHours":9.123404869593106,"quality":"inauspicious"},{"name":"Śubha","start":"09:07","end":"10:28","startHours":9.123404869593106,"endHours":10.460440708967216,"quality":"auspicious"},{"name":"Roga","start":"10:28","end":"11:48","startHours":10.460440708967216,"endHours":11.797476548341326,"quality":"inauspicious"},{"name":"Udveg","start":"11:48","end":"13:08","startHours":11.797476548341326,"endHours":13.134512387715436,"quality":"inauspicious"},{"name":"Chala","start":"13:08","end":"14:28","startHours":13.134512387715436,"endHours":14.471548227089546,"quality":"neutral"},{"name":"Labha","start":"14:28","end":"15:49","startHours":14.471548227089546,"endHours":15.808584066463656,"quality":"auspicious"},{"name":"Amṛta","start":"15:49","end":"17:09","startHours":15.808584066463656,"endHours":17.145619905837766,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:09","end":"18:49","startHours":17.145619905837766,"endHours":18.808584066463656,"quality":"neutral"},{"name":"Labha","start":"18:49","end":"20:28","startHours":18.808584066463656,"endHours":20.471548227089546,"quality":"auspicious"},{"name":"Amṛta","start":"20:28","end":"22:08","startHours":20.471548227089546,"endHours":22.134512387715436,"quality":"auspicious"},{"name":"Kāla","start":"22:08","end":"23:48","startHours":22.134512387715436,"endHours":23.797476548341326,"quality":"inauspicious"},{"name":"Śubha","start":"23:48","end":"01:28","startHours":23.797476548341326,"endHours":25.460440708967216,"quality":"auspicious"},{"name":"Roga","start":"01:28","end":"03:07","startHours":25.460440708967216,"endHours":27.123404869593106,"quality":"inauspicious"},{"name":"Udveg","start":"03:07","end":"04:47","startHours":27.123404869593106,"endHours":28.786369030218996,"quality":"inauspicious"},{"name":"Chala","start":"04:47","end":"06:27","startHours":28.786369030218996,"endHours":30.449333190844886,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.449333190844885,"endHours":7.449333190844885,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.449333190844885,"endHours":8.449333190844886,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.449333190844886,"endHours":9.449333190844886,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.449333190844886,"endHours":10.449333190844886,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.449333190844886,"endHours":11.449333190844886,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.449333190844886,"endHours":12.449333190844886,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.449333190844886,"endHours":13.449333190844886,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.449333190844886,"endHours":14.449333190844886,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.449333190844886,"endHours":15.449333190844886,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.449333190844886,"endHours":16.449333190844886,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.449333190844886,"endHours":17.449333190844886,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.449333190844886,"endHours":18.449333190844886,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.449333190844886,"endHours":19.449333190844886,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.449333190844886,"endHours":20.449333190844886,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.449333190844886,"endHours":21.449333190844886,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.449333190844886,"endHours":22.449333190844886,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.449333190844886,"endHours":23.449333190844886,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.449333190844886,"endHours":24.449333190844886,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.449333190844886,"endHours":25.449333190844886,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.449333190844886,"endHours":26.449333190844886,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.449333190844886,"endHours":27.449333190844886,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.449333190844886,"endHours":28.449333190844886,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.449333190844886,"endHours":29.449333190844886,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.449333190844886,"endHours":30.449333190844886,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-23.43631172065229,"eotMinutes":0.9130070995203906,"ayanamsa":23.8247}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Aṣṭamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","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 December 22, 1997 CE · Ranchi, Jharkhand · Vidhyamitra","description":"December 22, 1997 CE for Ranchi, Jharkhand: Kṛṣṇa Aṣṭamī, sūryodaya 06:27, sūryāsta 17:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1997-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1997-12-22","sa":"https://sa.vidhyamitra.com/city/ranchi/1997-12-22","hi":"https://hi.vidhyamitra.com/city/ranchi/1997-12-22","x-default":"https://vidhyamitra.com/city/ranchi/1997-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:44:51.778Z","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":"2026-06-01T04:44:51.778Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:44:51.778Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}