{"id":"vidhyamitra:city-day:dwarka:1981-08-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1981-08-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-07","date_display":"August 7, 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":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444823.770833,"kali_year":5083,"ahargana":1856358.2708,"sun":{"sidereal_longitude":110.3371,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":192.5031,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.166,"elapsed_within_tithi_degrees":10.166},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.5031,"elapsed_within_degrees":5.8364},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.8402},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1981,"month":8,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444823.770833,"ahargana":1856358.2708,"kali_year":5083,"ayanamsa_lahiri":23.5959,"grahas":{"sun":{"sidereal_longitude":110.86461099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":192.40081099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":4.4988},"mars":{"sidereal_longitude":79.786111,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":107.595911,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":163.78831100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":142.87431100000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":162.20291099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.2054,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.2054,"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":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444823.770833,"kali_year":5083,"ahargana":1856358.2708,"sun":{"sidereal_longitude":110.3371,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":192.5031,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":82.166,"elapsed_within_tithi_degrees":10.166},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.5031,"elapsed_within_degrees":5.8364},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.8402},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":82.166},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":97.834}},"eclipse_window_40days":[{"offset_days":-7,"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":"06:28","sunsetLocal":"19:31","solarNoonLocal":"13:00","dayLengthHours":13.053257907346278,"dayLengthDisplay":"13 Hours 03 Mins 12 Secs","nightLengthDisplay":"10 Hours 56 Mins 48 Secs","moonriseLocal":"12:46","moonsetLocal":"00:06","rahuKala":{"name":"Rāhu Kāla","start":"11:22","end":"13:00","startHours":11.361701025167143,"endHours":12.993358263585428,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:15","end":"17:53","startHours":16.256672740421998,"endHours":17.888329978840282,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:06","end":"09:44","startHours":8.098386548330573,"endHours":9.730043786748858,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:57","startHours":9.512489488293088,"endHours":9.94759808520463,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:22","startHours":7.010615056051717,"endHours":7.358701933580951,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:33","end":"13:26","startHours":12.558249666673886,"endHours":13.42846686049697,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:36","startHours":4.726294922266118,"endHours":5.596512116089204,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:28","startHours":5.378957817633432,"endHours":6.466729309912289,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:10","end":"16:02","startHours":15.168901248143142,"endHours":16.039118441966227,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:19","end":"19:43","startHours":19.319987217258568,"endHours":19.719987217258566,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:31","end":"20:04","startHours":19.519987217258567,"endHours":20.063872963397994,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:16","end":"21:01","startHours":19.269987217258567,"endHours":21.019987217258567,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:33","end":"01:26","startHours":24.558249666673884,"endHours":25.42846686049697,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:28","end":"08:06","startHours":6.466729309912289,"endHours":8.098386548330573,"quality":"neutral"},{"name":"Labha","start":"08:06","end":"09:44","startHours":8.098386548330573,"endHours":9.730043786748858,"quality":"auspicious"},{"name":"Amṛta","start":"09:44","end":"11:22","startHours":9.730043786748858,"endHours":11.361701025167143,"quality":"auspicious"},{"name":"Kāla","start":"11:22","end":"13:00","startHours":11.361701025167143,"endHours":12.993358263585428,"quality":"inauspicious"},{"name":"Śubha","start":"13:00","end":"14:38","startHours":12.993358263585428,"endHours":14.625015502003713,"quality":"auspicious"},{"name":"Roga","start":"14:38","end":"16:15","startHours":14.625015502003713,"endHours":16.256672740421998,"quality":"inauspicious"},{"name":"Udveg","start":"16:15","end":"17:53","startHours":16.256672740421998,"endHours":17.888329978840282,"quality":"inauspicious"},{"name":"Chala","start":"17:53","end":"19:31","startHours":17.888329978840282,"endHours":19.519987217258567,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:31","end":"20:53","startHours":19.519987217258567,"endHours":20.888329978840282,"quality":"inauspicious"},{"name":"Udveg","start":"20:53","end":"22:15","startHours":20.888329978840282,"endHours":22.256672740421998,"quality":"inauspicious"},{"name":"Chala","start":"22:15","end":"23:38","startHours":22.256672740421998,"endHours":23.625015502003713,"quality":"neutral"},{"name":"Labha","start":"23:38","end":"01:00","startHours":23.625015502003713,"endHours":24.993358263585428,"quality":"auspicious"},{"name":"Amṛta","start":"01:00","end":"02:22","startHours":24.993358263585428,"endHours":26.361701025167143,"quality":"auspicious"},{"name":"Kāla","start":"02:22","end":"03:44","startHours":26.361701025167143,"endHours":27.73004378674886,"quality":"inauspicious"},{"name":"Śubha","start":"03:44","end":"05:06","startHours":27.73004378674886,"endHours":29.098386548330573,"quality":"auspicious"},{"name":"Roga","start":"05:06","end":"06:28","startHours":29.098386548330573,"endHours":30.46672930991229,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.466729309912289,"endHours":7.466729309912289,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.466729309912289,"endHours":8.466729309912289,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.466729309912289,"endHours":9.466729309912289,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.466729309912289,"endHours":10.466729309912289,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.466729309912289,"endHours":11.466729309912289,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.466729309912289,"endHours":12.466729309912289,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.466729309912289,"endHours":13.466729309912289,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.466729309912289,"endHours":14.466729309912289,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.466729309912289,"endHours":15.466729309912289,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.466729309912289,"endHours":16.46672930991229,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.46672930991229,"endHours":17.46672930991229,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.46672930991229,"endHours":18.46672930991229,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.46672930991229,"endHours":19.46672930991229,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.46672930991229,"endHours":20.46672930991229,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.46672930991229,"endHours":21.46672930991229,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.46672930991229,"endHours":22.46672930991229,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.46672930991229,"endHours":23.46672930991229,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.46672930991229,"endHours":24.46672930991229,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.46672930991229,"endHours":25.46672930991229,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.46672930991229,"endHours":26.46672930991229,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.46672930991229,"endHours":27.46672930991229,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.46672930991229,"endHours":28.46672930991229,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.46672930991229,"endHours":29.46672930991229,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.46672930991229,"endHours":30.46672930991229,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvaja","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":16.491609129082313,"eotMinutes":-5.475895815125568,"ayanamsa":23.5959}},"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 Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Saptamī · 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":"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":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 7, 1981 CE · Dvārakā · Vidhyamitra","description":"August 7, 1981 CE for Dvārakā: Śukla Saptamī, sūryodaya 06:28, sūryāsta 19:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1981-08-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1981-08-07","sa":"https://sa.vidhyamitra.com/city/dwarka/1981-08-07","hi":"https://hi.vidhyamitra.com/city/dwarka/1981-08-07","x-default":"https://vidhyamitra.com/city/dwarka/1981-08-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T06:56:05.161Z","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":"2026-05-18T06:56:05.161Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T06:56:05.161Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}