{"id":"vidhyamitra:city-day:ranchi:2031-02-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ranchi/2031-02-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-02-05","date_display":"February 5, 2031 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":2031,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462902.770833,"kali_year":5132,"ahargana":1874437.2708,"sun":{"sidereal_longitude":291.6992,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":82.7342,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.035,"elapsed_within_tithi_degrees":7.035},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.7342,"elapsed_within_degrees":2.7342},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.4333},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2031,"month":2,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462902.770833,"ahargana":1874437.2708,"kali_year":5132,"ayanamsa_lahiri":24.2874,"grahas":{"sun":{"sidereal_longitude":291.73195999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":83.84096,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-2.857},"mars":{"sidereal_longitude":194.29955999999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":280.37816,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":238.04255999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":317.03866000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":37.57296000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":223.293,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":43.293,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2031,"month":2,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462902.770833,"kali_year":5132,"ahargana":1874437.2708,"sun":{"sidereal_longitude":291.6992,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":82.7342,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":151.035,"elapsed_within_tithi_degrees":7.035},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.7342,"elapsed_within_degrees":2.7342},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.4333},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.857,"elongation":151.035},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.857,"opposition_distance":28.965}},"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":"06:28","sunsetLocal":"17:38","solarNoonLocal":"12:03","dayLengthHours":11.176801377651387,"dayLengthDisplay":"11 Hours 10 Mins 36 Secs","nightLengthDisplay":"12 Hours 49 Mins 24 Secs","moonriseLocal":"15:28","moonsetLocal":"04:55","rahuKala":{"name":"Rāhu Kāla","start":"12:03","end":"13:27","startHours":12.049360303681127,"endHours":13.446460475887552,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:51","end":"09:15","startHours":7.858059787061857,"endHours":9.25515995926828,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:39","end":"12:03","startHours":10.652260131474705,"endHours":12.049360303681127,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:26","startHours":9.068879936307425,"endHours":9.441439982229138,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:13","startHours":6.926659672257575,"endHours":7.224707708994945,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:25","startHours":11.676800257759414,"endHours":12.42192034960284,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:43","startHours":4.9707194311685825,"endHours":5.715839523012008,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:28","startHours":5.5295595000511515,"endHours":6.460959614855434,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:39","startHours":13.912160533289692,"endHours":14.657280625133117,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.43776099250682,"endHours":17.83776099250682,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:06","startHours":17.63776099250682,"endHours":18.10346104990896,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.38776099250682,"endHours":19.13776099250682,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:25","startHours":23.676800257759414,"endHours":24.42192034960284,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:28","end":"07:51","startHours":6.460959614855434,"endHours":7.858059787061857,"quality":"auspicious"},{"name":"Amṛta","start":"07:51","end":"09:15","startHours":7.858059787061857,"endHours":9.25515995926828,"quality":"auspicious"},{"name":"Kāla","start":"09:15","end":"10:39","startHours":9.25515995926828,"endHours":10.652260131474705,"quality":"inauspicious"},{"name":"Śubha","start":"10:39","end":"12:03","startHours":10.652260131474705,"endHours":12.049360303681127,"quality":"auspicious"},{"name":"Roga","start":"12:03","end":"13:27","startHours":12.049360303681127,"endHours":13.446460475887552,"quality":"inauspicious"},{"name":"Udveg","start":"13:27","end":"14:51","startHours":13.446460475887552,"endHours":14.843560648093973,"quality":"inauspicious"},{"name":"Chala","start":"14:51","end":"16:14","startHours":14.843560648093973,"endHours":16.2406608203004,"quality":"neutral"},{"name":"Labha","start":"16:14","end":"17:38","startHours":16.2406608203004,"endHours":17.63776099250682,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:38","end":"19:14","startHours":17.63776099250682,"endHours":19.2406608203004,"quality":"inauspicious"},{"name":"Chala","start":"19:14","end":"20:51","startHours":19.2406608203004,"endHours":20.843560648093973,"quality":"neutral"},{"name":"Labha","start":"20:51","end":"22:27","startHours":20.843560648093973,"endHours":22.446460475887548,"quality":"auspicious"},{"name":"Amṛta","start":"22:27","end":"00:03","startHours":22.446460475887548,"endHours":24.049360303681127,"quality":"auspicious"},{"name":"Kāla","start":"00:03","end":"01:39","startHours":24.049360303681127,"endHours":25.652260131474705,"quality":"inauspicious"},{"name":"Śubha","start":"01:39","end":"03:15","startHours":25.652260131474705,"endHours":27.25515995926828,"quality":"auspicious"},{"name":"Roga","start":"03:15","end":"04:51","startHours":27.25515995926828,"endHours":28.858059787061855,"quality":"inauspicious"},{"name":"Udveg","start":"04:51","end":"06:28","startHours":28.858059787061855,"endHours":30.460959614855433,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.460959614855434,"endHours":7.460959614855434,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.460959614855434,"endHours":8.460959614855433,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.460959614855433,"endHours":9.460959614855433,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.460959614855433,"endHours":10.460959614855433,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.460959614855433,"endHours":11.460959614855433,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.460959614855433,"endHours":12.460959614855433,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.460959614855433,"endHours":13.460959614855433,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.460959614855433,"endHours":14.460959614855433,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.460959614855433,"endHours":15.460959614855433,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.460959614855433,"endHours":16.460959614855433,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.460959614855433,"endHours":17.460959614855433,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.460959614855433,"endHours":18.460959614855433,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.460959614855433,"endHours":19.460959614855433,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.460959614855433,"endHours":20.460959614855433,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.460959614855433,"endHours":21.460959614855433,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.460959614855433,"endHours":22.460959614855433,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.460959614855433,"endHours":23.460959614855433,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.460959614855433,"endHours":24.460959614855433,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.460959614855433,"endHours":25.460959614855433,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.460959614855433,"endHours":26.460959614855433,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.460959614855433,"endHours":27.460959614855433,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.460959614855433,"endHours":28.460959614855433,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.460959614855433,"endHours":29.460959614855433,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.460959614855433,"endHours":30.460959614855433,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","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":-16.033032008998113,"eotMinutes":-14.200018220867548,"ayanamsa":24.2874}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"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 Trayodaśī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Budhavāra (Wednesday) — 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 5, 2031 CE · Ranchi, Jharkhand · Vidhyamitra","description":"February 5, 2031 CE for Ranchi, Jharkhand: Śukla Trayodaśī, sūryodaya 06:28, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ranchi/2031-02-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ranchi/2031-02-05","sa":"https://sa.vidhyamitra.com/city/ranchi/2031-02-05","hi":"https://hi.vidhyamitra.com/city/ranchi/2031-02-05","x-default":"https://vidhyamitra.com/city/ranchi/2031-02-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-11T15:55:14.522Z","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":"2026-09-11T15:55:14.522Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-11T15:55:14.522Z","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"}}}