{"id":"vidhyamitra:city-day:dwarka:1982-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1982-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-01-31","date_display":"January 31, 1982 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":1982,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445000.770833,"kali_year":5083,"ahargana":1856535.2708,"sun":{"sidereal_longitude":287.2865,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":358.9977,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.7112,"elapsed_within_tithi_degrees":11.7112},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.9977,"elapsed_within_degrees":12.331},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.2842},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1982,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445000.770833,"ahargana":1856535.2708,"kali_year":5083,"ayanamsa_lahiri":23.6027,"grahas":{"sun":{"sidereal_longitude":287.23404800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":357.185348,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-4.4945},"mars":{"sidereal_longitude":173.350548,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":289.968748,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":196.25584800000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":272.23674800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":178.36924799999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":91.8271,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.8271,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1982,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445000.770833,"kali_year":5083,"ahargana":1856535.2708,"sun":{"sidereal_longitude":287.2865,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":358.9977,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.7112,"elapsed_within_tithi_degrees":11.7112},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.9977,"elapsed_within_degrees":12.331},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.2842},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.495,"elongation":71.711},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.495,"opposition_distance":108.289}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":-0.544,"elongation":2.054}]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:34","sunsetLocal":"18:42","solarNoonLocal":"13:08","dayLengthHours":11.13833955686432,"dayLengthDisplay":"11 Hours 08 Mins 18 Secs","nightLengthDisplay":"12 Hours 51 Mins 42 Secs","moonriseLocal":"11:32","moonsetLocal":"00:03","rahuKala":{"name":"Rāhu Kāla","start":"17:18","end":"18:42","startHours":17.30446380952149,"endHours":18.69675625412953,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:08","end":"14:31","startHours":13.12758647569737,"endHours":14.519878920305409,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:55","end":"17:18","startHours":15.912171364913448,"endHours":17.30446380952149,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:09","end":"10:32","startHours":10.157362593866884,"endHours":10.528640579095695,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:01","end":"08:19","startHours":8.022514178801222,"endHours":8.31953656698427,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:45","end":"13:30","startHours":12.756308490468557,"endHours":13.49886446092618,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:04","end":"06:49","startHours":6.073304756349967,"endHours":6.815860726807588,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:34","startHours":6.630221734193182,"endHours":7.558416697265209,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:59","end":"15:44","startHours":14.983976401841423,"endHours":15.726532372299044,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.49675625412953,"endHours":18.896756254129528,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:10","startHours":18.69675625412953,"endHours":19.16085373566554,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.44675625412953,"endHours":20.19675625412953,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:45","end":"01:30","startHours":24.75630849046856,"endHours":25.498864460926182,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:34","end":"08:57","startHours":7.558416697265209,"endHours":8.950709141873249,"quality":"inauspicious"},{"name":"Chala","start":"08:57","end":"10:21","startHours":8.950709141873249,"endHours":10.34300158648129,"quality":"neutral"},{"name":"Labha","start":"10:21","end":"11:44","startHours":10.34300158648129,"endHours":11.735294031089328,"quality":"auspicious"},{"name":"Amṛta","start":"11:44","end":"13:08","startHours":11.735294031089328,"endHours":13.12758647569737,"quality":"auspicious"},{"name":"Kāla","start":"13:08","end":"14:31","startHours":13.12758647569737,"endHours":14.519878920305409,"quality":"inauspicious"},{"name":"Śubha","start":"14:31","end":"15:55","startHours":14.519878920305409,"endHours":15.912171364913448,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:18","startHours":15.912171364913448,"endHours":17.30446380952149,"quality":"inauspicious"},{"name":"Udveg","start":"17:18","end":"18:42","startHours":17.30446380952149,"endHours":18.69675625412953,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:42","end":"20:18","startHours":18.69675625412953,"endHours":20.30446380952149,"quality":"auspicious"},{"name":"Roga","start":"20:18","end":"21:55","startHours":20.30446380952149,"endHours":21.912171364913448,"quality":"inauspicious"},{"name":"Udveg","start":"21:55","end":"23:31","startHours":21.912171364913448,"endHours":23.51987892030541,"quality":"inauspicious"},{"name":"Chala","start":"23:31","end":"01:08","startHours":23.51987892030541,"endHours":25.12758647569737,"quality":"neutral"},{"name":"Labha","start":"01:08","end":"02:44","startHours":25.12758647569737,"endHours":26.735294031089328,"quality":"auspicious"},{"name":"Amṛta","start":"02:44","end":"04:21","startHours":26.735294031089328,"endHours":28.34300158648129,"quality":"auspicious"},{"name":"Kāla","start":"04:21","end":"05:57","startHours":28.34300158648129,"endHours":29.950709141873247,"quality":"inauspicious"},{"name":"Śubha","start":"05:57","end":"07:34","startHours":29.950709141873247,"endHours":31.55841669726521,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:34","end":"08:34","startHours":7.558416697265209,"endHours":8.558416697265208,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:34","end":"09:34","startHours":8.558416697265208,"endHours":9.558416697265208,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:34","end":"10:34","startHours":9.558416697265208,"endHours":10.558416697265208,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:34","end":"11:34","startHours":10.558416697265208,"endHours":11.558416697265208,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:34","end":"12:34","startHours":11.558416697265208,"endHours":12.558416697265208,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:34","end":"13:34","startHours":12.558416697265208,"endHours":13.558416697265208,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:34","end":"14:34","startHours":13.558416697265208,"endHours":14.558416697265208,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:34","end":"15:34","startHours":14.558416697265208,"endHours":15.558416697265208,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:34","end":"16:34","startHours":15.558416697265208,"endHours":16.55841669726521,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:34","end":"17:34","startHours":16.55841669726521,"endHours":17.55841669726521,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:34","end":"18:34","startHours":17.55841669726521,"endHours":18.55841669726521,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:34","end":"19:34","startHours":18.55841669726521,"endHours":19.55841669726521,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:34","end":"20:34","startHours":19.55841669726521,"endHours":20.55841669726521,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:34","end":"21:34","startHours":20.55841669726521,"endHours":21.55841669726521,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:34","end":"22:34","startHours":21.55841669726521,"endHours":22.55841669726521,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:34","end":"23:34","startHours":22.55841669726521,"endHours":23.55841669726521,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:34","end":"00:34","startHours":23.55841669726521,"endHours":24.55841669726521,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:34","end":"01:34","startHours":24.55841669726521,"endHours":25.55841669726521,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:34","end":"02:34","startHours":25.55841669726521,"endHours":26.55841669726521,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:34","end":"03:34","startHours":26.55841669726521,"endHours":27.55841669726521,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:34","end":"04:34","startHours":27.55841669726521,"endHours":28.55841669726521,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:34","end":"05:34","startHours":28.55841669726521,"endHours":29.55841669726521,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:34","end":"06:34","startHours":29.55841669726521,"endHours":30.55841669726521,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:34","end":"07:34","startHours":30.55841669726521,"endHours":31.55841669726521,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"Sushira","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":-17.512554021893834,"eotMinutes":-13.52958854184206,"ayanamsa":23.6027}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"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}],"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":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 31, 1982 CE · Dvārakā · Vidhyamitra","description":"January 31, 1982 CE for Dvārakā: Śukla Ṣaṣṭhī, sūryodaya 07:34, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1982-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1982-01-31","sa":"https://sa.vidhyamitra.com/city/dwarka/1982-01-31","hi":"https://hi.vidhyamitra.com/city/dwarka/1982-01-31","x-default":"https://vidhyamitra.com/city/dwarka/1982-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T16:35:53.716Z","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":"2026-05-18T16:35:53.716Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T16:35:53.716Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}