{"id":"vidhyamitra:city-day:ranchi:2030-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2030-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-02-01","date_display":"February 1, 2030 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":2030,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462533.770833,"kali_year":5131,"ahargana":1874068.2708,"sun":{"sidereal_longitude":287.879,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":268.8414,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.9625,"elapsed_within_tithi_degrees":4.9625},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8414,"elapsed_within_degrees":2.1748},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.7204},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2030,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462533.770833,"ahargana":1874068.2708,"kali_year":5131,"ayanamsa_lahiri":24.2733,"grahas":{"sun":{"sidereal_longitude":287.93365900000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":267.1291590000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":1.9708},"mars":{"sidereal_longitude":314.4434590000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":264.78955900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":210.97425900000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":254.27955900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":23.89045900000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":242.8444,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":62.8444,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462533.770833,"kali_year":5131,"ahargana":1874068.2708,"sun":{"sidereal_longitude":287.879,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":268.8414,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.9625,"elapsed_within_tithi_degrees":4.9625},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8414,"elapsed_within_degrees":2.1748},"yoga":{"number":15,"name":"Vajra","sum_longitude":196.7204},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.971,"elongation":19.038},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.971,"opposition_distance":160.962}},"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":11.108107701044279,"dayLengthDisplay":"11 Hours 06 Mins 29 Secs","nightLengthDisplay":"12 Hours 53 Mins 31 Secs","moonriseLocal":"05:16","moonsetLocal":"16:02","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:02","startHours":10.652335672659392,"endHours":12.040849135289927,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:49","end":"16:12","startHours":14.817876060550997,"endHours":16.20638952318153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:53","end":"09:16","startHours":7.875308747398321,"endHours":9.263822210028856,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:27","startHours":9.078687081678119,"endHours":9.448957338379595,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:15","startHours":6.949633105644632,"endHours":7.245849311005813,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:25","startHours":11.67057887858845,"endHours":12.411119391991402,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:45","startHours":5.005714257961883,"endHours":5.7462547713648355,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:29","startHours":5.561119643014097,"endHours":6.486795284767787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:38","startHours":13.892200418797305,"endHours":14.632740932200257,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.394902985812067,"endHours":17.794902985812065,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:03","startHours":17.594902985812066,"endHours":18.057740806688912,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.344902985812066,"endHours":19.094902985812066,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:25","startHours":23.670578878588447,"endHours":24.411119391991402,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:29","end":"07:53","startHours":6.486795284767787,"endHours":7.875308747398321,"quality":"neutral"},{"name":"Labha","start":"07:53","end":"09:16","startHours":7.875308747398321,"endHours":9.263822210028856,"quality":"auspicious"},{"name":"Amṛta","start":"09:16","end":"10:39","startHours":9.263822210028856,"endHours":10.652335672659392,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:02","startHours":10.652335672659392,"endHours":12.040849135289927,"quality":"inauspicious"},{"name":"Śubha","start":"12:02","end":"13:26","startHours":12.040849135289927,"endHours":13.429362597920461,"quality":"auspicious"},{"name":"Roga","start":"13:26","end":"14:49","startHours":13.429362597920461,"endHours":14.817876060550997,"quality":"inauspicious"},{"name":"Udveg","start":"14:49","end":"16:12","startHours":14.817876060550997,"endHours":16.20638952318153,"quality":"inauspicious"},{"name":"Chala","start":"16:12","end":"17:36","startHours":16.20638952318153,"endHours":17.594902985812066,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:36","end":"19:12","startHours":17.594902985812066,"endHours":19.20638952318153,"quality":"inauspicious"},{"name":"Udveg","start":"19:12","end":"20:49","startHours":19.20638952318153,"endHours":20.817876060550997,"quality":"inauspicious"},{"name":"Chala","start":"20:49","end":"22:26","startHours":20.817876060550997,"endHours":22.42936259792046,"quality":"neutral"},{"name":"Labha","start":"22:26","end":"00:02","startHours":22.42936259792046,"endHours":24.040849135289925,"quality":"auspicious"},{"name":"Amṛta","start":"00:02","end":"01:39","startHours":24.040849135289925,"endHours":25.65233567265939,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:16","startHours":25.65233567265939,"endHours":27.263822210028856,"quality":"inauspicious"},{"name":"Śubha","start":"03:16","end":"04:53","startHours":27.263822210028856,"endHours":28.87530874739832,"quality":"auspicious"},{"name":"Roga","start":"04:53","end":"06:29","startHours":28.87530874739832,"endHours":30.486795284767787,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.486795284767787,"endHours":7.486795284767787,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.486795284767787,"endHours":8.486795284767787,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.486795284767787,"endHours":9.486795284767787,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.486795284767787,"endHours":10.486795284767787,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.486795284767787,"endHours":11.486795284767787,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.486795284767787,"endHours":12.486795284767787,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.486795284767787,"endHours":13.486795284767787,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.486795284767787,"endHours":14.486795284767787,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.486795284767787,"endHours":15.486795284767787,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.486795284767787,"endHours":16.486795284767787,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.486795284767787,"endHours":17.486795284767787,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.486795284767787,"endHours":18.486795284767787,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.486795284767787,"endHours":19.486795284767787,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.486795284767787,"endHours":20.486795284767787,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.486795284767787,"endHours":21.486795284767787,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.486795284767787,"endHours":22.486795284767787,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.486795284767787,"endHours":23.486795284767787,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.486795284767787,"endHours":24.486795284767787,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.486795284767787,"endHours":25.486795284767787,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.486795284767787,"endHours":26.486795284767787,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.486795284767787,"endHours":27.486795284767787,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.486795284767787,"endHours":28.486795284767787,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.486795284767787,"endHours":29.486795284767787,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.486795284767787,"endHours":30.486795284767787,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.134127800160282,"eotMinutes":-13.689348117395623,"ayanamsa":24.2733}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturdaśī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2030 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 1, 2030 CE for Ranchi, Jharkhand: Kṛṣṇa Caturdaśī, sūryodaya 06:29, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2030-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2030-02-01","sa":"https://sa.vidhyamitra.com/city/ranchi/2030-02-01","hi":"https://hi.vidhyamitra.com/city/ranchi/2030-02-01","x-default":"https://vidhyamitra.com/city/ranchi/2030-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:15:57.528Z","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":"2026-05-14T21:15:57.528Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:15:57.528Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}