{"id":"vidhyamitra:city-day:dwarka:1981-07-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1981-07-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-28","date_display":"July 28, 1981 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":1981,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444813.770833,"kali_year":5083,"ahargana":1856348.2708,"sun":{"sidereal_longitude":100.8262,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":61.2318,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.4056,"elapsed_within_tithi_degrees":8.4056},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.2318,"elapsed_within_degrees":7.8984},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.058},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1981,"month":7,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444813.770833,"ahargana":1856348.2708,"kali_year":5083,"ayanamsa_lahiri":23.5956,"grahas":{"sun":{"sidereal_longitude":101.29499299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":59.970192999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-2.921},"mars":{"sidereal_longitude":73.14979299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":87.38519299999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":162.18309299999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":130.850393,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":161.35209299999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.7352,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.7352,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":"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":1981,"month":7,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444813.770833,"kali_year":5083,"ahargana":1856348.2708,"sun":{"sidereal_longitude":100.8262,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":61.2318,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":320.4056,"elapsed_within_tithi_degrees":8.4056},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.2318,"elapsed_within_degrees":7.8984},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":162.058},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.921,"elongation":39.594},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.921,"opposition_distance":140.406}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"06:24","sunsetLocal":"19:37","solarNoonLocal":"13:00","dayLengthHours":13.21004442161372,"dayLengthDisplay":"13 Hours 12 Mins 36 Secs","nightLengthDisplay":"10 Hours 47 Mins 24 Secs","moonriseLocal":"03:32","moonsetLocal":"16:58","rahuKala":{"name":"Rāhu Kāla","start":"16:18","end":"17:58","startHours":16.307443650010118,"endHours":17.958699202711834,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:42","end":"11:21","startHours":9.702421439203256,"endHours":11.353676991904972,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:00","end":"14:39","startHours":13.004932544606687,"endHours":14.656188097308402,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:55","startHours":9.482254032176362,"endHours":9.922588846230152,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:18","startHours":6.950328851367066,"endHours":7.302596702610098,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:34","end":"13:27","startHours":12.564597730552896,"endHours":13.445267358660479,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:31","startHours":4.638571077584665,"endHours":5.519240705692246,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:24","startHours":5.29907329866535,"endHours":6.399910333799827,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:12","end":"16:05","startHours":15.206606614875641,"endHours":16.087276242983222,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:25","end":"19:49","startHours":19.409954755413548,"endHours":19.809954755413546,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:37","end":"20:10","startHours":19.609954755413547,"endHours":20.160373272980785,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:22","end":"21:07","startHours":19.359954755413547,"endHours":21.109954755413547,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:34","end":"01:27","startHours":24.564597730552897,"endHours":25.44526735866048,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:24","end":"08:03","startHours":6.399910333799827,"endHours":8.051165886501542,"quality":"inauspicious"},{"name":"Udveg","start":"08:03","end":"09:42","startHours":8.051165886501542,"endHours":9.702421439203256,"quality":"inauspicious"},{"name":"Chala","start":"09:42","end":"11:21","startHours":9.702421439203256,"endHours":11.353676991904972,"quality":"neutral"},{"name":"Labha","start":"11:21","end":"13:00","startHours":11.353676991904972,"endHours":13.004932544606687,"quality":"auspicious"},{"name":"Amṛta","start":"13:00","end":"14:39","startHours":13.004932544606687,"endHours":14.656188097308402,"quality":"auspicious"},{"name":"Kāla","start":"14:39","end":"16:18","startHours":14.656188097308402,"endHours":16.307443650010118,"quality":"inauspicious"},{"name":"Śubha","start":"16:18","end":"17:58","startHours":16.307443650010118,"endHours":17.958699202711834,"quality":"auspicious"},{"name":"Roga","start":"17:58","end":"19:37","startHours":17.958699202711834,"endHours":19.609954755413547,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:37","end":"20:58","startHours":19.609954755413547,"endHours":20.95869920271183,"quality":"inauspicious"},{"name":"Śubha","start":"20:58","end":"22:18","startHours":20.95869920271183,"endHours":22.307443650010118,"quality":"auspicious"},{"name":"Roga","start":"22:18","end":"23:39","startHours":22.307443650010118,"endHours":23.6561880973084,"quality":"inauspicious"},{"name":"Udveg","start":"23:39","end":"01:00","startHours":23.6561880973084,"endHours":25.00493254460669,"quality":"inauspicious"},{"name":"Chala","start":"01:00","end":"02:21","startHours":25.00493254460669,"endHours":26.353676991904972,"quality":"neutral"},{"name":"Labha","start":"02:21","end":"03:42","startHours":26.353676991904972,"endHours":27.702421439203256,"quality":"auspicious"},{"name":"Amṛta","start":"03:42","end":"05:03","startHours":27.702421439203256,"endHours":29.051165886501543,"quality":"auspicious"},{"name":"Kāla","start":"05:03","end":"06:24","startHours":29.051165886501543,"endHours":30.399910333799827,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:24","end":"07:24","startHours":6.399910333799827,"endHours":7.399910333799827,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:24","end":"08:24","startHours":7.399910333799827,"endHours":8.399910333799827,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:24","end":"09:24","startHours":8.399910333799827,"endHours":9.399910333799827,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:24","end":"10:24","startHours":9.399910333799827,"endHours":10.399910333799827,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:24","end":"11:24","startHours":10.399910333799827,"endHours":11.399910333799827,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:24","end":"12:24","startHours":11.399910333799827,"endHours":12.399910333799827,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:24","end":"13:24","startHours":12.399910333799827,"endHours":13.399910333799827,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:24","end":"14:24","startHours":13.399910333799827,"endHours":14.399910333799827,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:24","end":"15:24","startHours":14.399910333799827,"endHours":15.399910333799827,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:24","end":"16:24","startHours":15.399910333799827,"endHours":16.399910333799827,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:24","end":"17:24","startHours":16.399910333799827,"endHours":17.399910333799827,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:24","end":"18:24","startHours":17.399910333799827,"endHours":18.399910333799827,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:24","end":"19:24","startHours":18.399910333799827,"endHours":19.399910333799827,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:24","end":"20:24","startHours":19.399910333799827,"endHours":20.399910333799827,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:24","end":"21:24","startHours":20.399910333799827,"endHours":21.399910333799827,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:24","end":"22:24","startHours":21.399910333799827,"endHours":22.399910333799827,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:24","end":"23:24","startHours":22.399910333799827,"endHours":23.399910333799827,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:24","end":"00:24","startHours":23.399910333799827,"endHours":24.399910333799827,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:24","end":"01:24","startHours":24.399910333799827,"endHours":25.399910333799827,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:24","end":"02:24","startHours":25.399910333799827,"endHours":26.399910333799827,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:24","end":"03:24","startHours":26.399910333799827,"endHours":27.399910333799827,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:24","end":"04:24","startHours":27.399910333799827,"endHours":28.399910333799827,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:24","end":"05:24","startHours":28.399910333799827,"endHours":29.399910333799827,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:24","end":"06:24","startHours":29.399910333799827,"endHours":30.399910333799827,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":19.040618837942183,"eotMinutes":-6.170352676401169,"ayanamsa":23.5956}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 July 28, 1981 CE · Dvārakā · Vidhyamitra","description":"July 28, 1981 CE for Dvārakā: Kṛṣṇa Dvādaśī, sūryodaya 06:24, sūryāsta 19:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1981-07-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1981-07-28","sa":"https://sa.vidhyamitra.com/city/dwarka/1981-07-28","hi":"https://hi.vidhyamitra.com/city/dwarka/1981-07-28","x-default":"https://vidhyamitra.com/city/dwarka/1981-07-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T11:56:25.502Z","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":"2026-05-18T11:56:25.502Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T11:56:25.502Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}