{"id":"vidhyamitra:city-day:ranchi:1998-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/1998-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-02-01","date_display":"February 1, 1998 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450845.770833,"kali_year":5099,"ahargana":1862380.2708,"sun":{"sidereal_longitude":288.1653,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.9222,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.7569,"elapsed_within_tithi_degrees":0.7569},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9222,"elapsed_within_degrees":3.5889},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.0875},"karana":{"half_tithi_index":8,"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":1998,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450845.770833,"ahargana":1862380.2708,"kali_year":5099,"ayanamsa_lahiri":23.8263,"grahas":{"sun":{"sidereal_longitude":288.14402599999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":339.601426,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false,"latitude":-1.1477},"mars":{"sidereal_longitude":311.438726,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":273.772926,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":305.354926,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":264.99592600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":351.595426,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":142.1308,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.1308,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1998,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450845.770833,"kali_year":5099,"ahargana":1862380.2708,"sun":{"sidereal_longitude":288.1653,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.9222,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.7569,"elapsed_within_tithi_degrees":0.7569},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":336.9222,"elapsed_within_degrees":3.5889},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.0875},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.148,"elongation":48.757},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.148,"opposition_distance":131.243}},"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":"06:29","sunsetLocal":"17:36","solarNoonLocal":"12:02","dayLengthHours":11.103962422598126,"dayLengthDisplay":"11 Hours 06 Mins 14 Secs","nightLengthDisplay":"12 Hours 53 Mins 46 Secs","moonriseLocal":"09:23","moonsetLocal":"21:33","rahuKala":{"name":"Rāhu Kāla","start":"16:12","end":"17:36","startHours":16.204835043764223,"endHours":17.59283034658899,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:26","startHours":12.040849135289928,"endHours":13.428844438114695,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:12","startHours":14.816839740939457,"endHours":16.204835043764223,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:27","startHours":9.07979248926376,"endHours":9.449924570017032,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:15","startHours":6.951533024932453,"endHours":7.247638689535069,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:25","startHours":11.670717054536656,"endHours":12.410981216043197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:45","startHours":5.008339600977781,"endHours":5.748603762484322,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:29","startHours":5.563537722107687,"endHours":6.488867923990864,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:38","startHours":13.891509539056281,"endHours":14.631773700562823,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.39283034658899,"endHours":17.79283034658899,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:03","startHours":17.59283034658899,"endHours":18.05549544753058,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.34283034658899,"endHours":19.09283034658899,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:25","startHours":23.670717054536652,"endHours":24.410981216043197,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:29","end":"07:53","startHours":6.488867923990864,"endHours":7.87686322681563,"quality":"inauspicious"},{"name":"Chala","start":"07:53","end":"09:16","startHours":7.87686322681563,"endHours":9.264858529640396,"quality":"neutral"},{"name":"Labha","start":"09:16","end":"10:39","startHours":9.264858529640396,"endHours":10.652853832465162,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"12:02","startHours":10.652853832465162,"endHours":12.040849135289928,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:26","startHours":12.040849135289928,"endHours":13.428844438114695,"quality":"inauspicious"},{"name":"Śubha","start":"13:26","end":"14:49","startHours":13.428844438114695,"endHours":14.816839740939457,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:12","startHours":14.816839740939457,"endHours":16.204835043764223,"quality":"inauspicious"},{"name":"Udveg","start":"16:12","end":"17:36","startHours":16.204835043764223,"endHours":17.59283034658899,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:36","end":"19:12","startHours":17.59283034658899,"endHours":19.204835043764223,"quality":"auspicious"},{"name":"Roga","start":"19:12","end":"20:49","startHours":19.204835043764223,"endHours":20.816839740939457,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:26","startHours":20.816839740939457,"endHours":22.428844438114695,"quality":"inauspicious"},{"name":"Chala","start":"22:26","end":"00:02","startHours":22.428844438114695,"endHours":24.040849135289925,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:39","startHours":24.040849135289925,"endHours":25.652853832465162,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:16","startHours":25.652853832465162,"endHours":27.264858529640396,"quality":"auspicious"},{"name":"Kāla","start":"03:16","end":"04:53","startHours":27.264858529640396,"endHours":28.87686322681563,"quality":"inauspicious"},{"name":"Śubha","start":"04:53","end":"06:29","startHours":28.87686322681563,"endHours":30.488867923990863,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.488867923990864,"endHours":7.488867923990864,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.488867923990864,"endHours":8.488867923990863,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.488867923990863,"endHours":9.488867923990863,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.488867923990863,"endHours":10.488867923990863,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.488867923990863,"endHours":11.488867923990863,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.488867923990863,"endHours":12.488867923990863,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.488867923990863,"endHours":13.488867923990863,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.488867923990863,"endHours":14.488867923990863,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.488867923990863,"endHours":15.488867923990863,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.488867923990863,"endHours":16.488867923990863,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.488867923990863,"endHours":17.488867923990863,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.488867923990863,"endHours":18.488867923990863,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.488867923990863,"endHours":19.488867923990863,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.488867923990863,"endHours":20.488867923990863,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.488867923990863,"endHours":21.488867923990863,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.488867923990863,"endHours":22.488867923990863,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.488867923990863,"endHours":23.488867923990863,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.488867923990863,"endHours":24.488867923990863,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.488867923990863,"endHours":25.488867923990863,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.488867923990863,"endHours":26.488867923990863,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.488867923990863,"endHours":27.488867923990863,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.488867923990863,"endHours":28.488867923990863,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.488867923990863,"endHours":29.488867923990863,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.488867923990863,"endHours":30.488867923990863,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.2001538104501,"eotMinutes":-13.689348117395623,"ayanamsa":23.8263}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pañcamī · Vikram 2055 Khara · Śaka 1920 Bahudhānya"},"festivals":[{"id":"sarasvati-jayanti","name":"Sarasvatī Jayantī (Vasanta Pañchamī)","name_sanskrit":"सरस्वती जयन्ती / वसन्त पञ्चमी","tradition":"Pan-Hindu","associated_deity":"Sarasvatī (Vāk-tattva)","significance":"Manifestation of Devī Sarasvatī; vidyā-ārambha day; vasanta-ṛtu begins.","vrata":true,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Skanda Purāṇa","Devī Bhāgavata"]}],"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":"Dedicated festival walk for Sarasvatī Jayantī (Vasanta Pañchamī) is not live yet; 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 February 1, 1998 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 1, 1998 CE for Ranchi, Jharkhand: Śukla Pañcamī, sūryodaya 06:29, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/1998-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/1998-02-01","sa":"https://sa.vidhyamitra.com/city/ranchi/1998-02-01","hi":"https://hi.vidhyamitra.com/city/ranchi/1998-02-01","x-default":"https://vidhyamitra.com/city/ranchi/1998-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-04T03:42:30.399Z","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":"2026-09-04T03:42:30.399Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-04T03:42:30.399Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}