{"id":"vidhyamitra:city-day:dwarka:1680-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1680-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1680-08-31","date_display":"August 31, 1680 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":1680,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334910.770833,"kali_year":4782,"ahargana":1746445.2708,"sun":{"sidereal_longitude":139.0024,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":218.3447,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3423,"elapsed_within_tithi_degrees":7.3423},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.3447,"elapsed_within_degrees":5.0114},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3471},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1680,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2334910.770833,"ahargana":1746445.2708,"kali_year":4782,"ayanamsa_lahiri":19.3922,"grahas":{"sun":{"sidereal_longitude":138.933895,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":215.86939499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":3.6123},"mars":{"sidereal_longitude":94.88089500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":169.22909500000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":58.873895000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":141.706395,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":93.528595,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":164.9251,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":344.9251,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"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":1680,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334910.770833,"kali_year":4782,"ahargana":1746445.2708,"sun":{"sidereal_longitude":139.0024,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":218.3447,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":79.3423,"elapsed_within_tithi_degrees":7.3423},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.3447,"elapsed_within_degrees":5.0114},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":357.3471},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.612,"elongation":79.342},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.612,"opposition_distance":100.658}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":1.08,"opposition_distance":2.82}]},"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":"06:36","sunsetLocal":"19:12","solarNoonLocal":"12:54","dayLengthHours":12.585758156615007,"dayLengthDisplay":"12 Hours 35 Mins 09 Secs","nightLengthDisplay":"11 Hours 24 Mins 51 Secs","moonriseLocal":"12:32","moonsetLocal":"23:32","rahuKala":{"name":"Rāhu Kāla","start":"09:45","end":"11:20","startHours":9.753227302123125,"endHours":11.326447071700002,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:28","end":"16:03","startHours":14.472886610853754,"endHours":16.04610638043063,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:36","end":"08:11","startHours":6.6067877629693745,"endHours":8.18000753254625,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:58","startHours":9.543464666179542,"endHours":9.962989938066709,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:28","startHours":7.1311943528283335,"endHours":7.466814570338067,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:19","startHours":12.480141569389712,"endHours":13.319192113164046,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:46","startHours":4.928686675420707,"endHours":5.767737219195041,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:36","startHours":5.5579745832514575,"endHours":6.6067877629693745,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:00","end":"15:50","startHours":14.997293200712715,"endHours":15.83634374448705,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:00","end":"19:24","startHours":18.992545919584384,"endHours":19.392545919584382,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:12","end":"19:43","startHours":19.192545919584383,"endHours":19.71695250944334,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:57","end":"20:42","startHours":18.942545919584383,"endHours":20.692545919584383,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:19","startHours":24.480141569389712,"endHours":25.319192113164046,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:36","end":"08:11","startHours":6.6067877629693745,"endHours":8.18000753254625,"quality":"inauspicious"},{"name":"Śubha","start":"08:11","end":"09:45","startHours":8.18000753254625,"endHours":9.753227302123125,"quality":"auspicious"},{"name":"Roga","start":"09:45","end":"11:20","startHours":9.753227302123125,"endHours":11.326447071700002,"quality":"inauspicious"},{"name":"Udveg","start":"11:20","end":"12:54","startHours":11.326447071700002,"endHours":12.89966684127688,"quality":"inauspicious"},{"name":"Chala","start":"12:54","end":"14:28","startHours":12.89966684127688,"endHours":14.472886610853754,"quality":"neutral"},{"name":"Labha","start":"14:28","end":"16:03","startHours":14.472886610853754,"endHours":16.04610638043063,"quality":"auspicious"},{"name":"Amṛta","start":"16:03","end":"17:37","startHours":16.04610638043063,"endHours":17.619326150007506,"quality":"auspicious"},{"name":"Kāla","start":"17:37","end":"19:12","startHours":17.619326150007506,"endHours":19.192545919584383,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:12","end":"20:37","startHours":19.192545919584383,"endHours":20.619326150007506,"quality":"auspicious"},{"name":"Amṛta","start":"20:37","end":"22:03","startHours":20.619326150007506,"endHours":22.04610638043063,"quality":"auspicious"},{"name":"Kāla","start":"22:03","end":"23:28","startHours":22.04610638043063,"endHours":23.472886610853756,"quality":"inauspicious"},{"name":"Śubha","start":"23:28","end":"00:54","startHours":23.472886610853756,"endHours":24.89966684127688,"quality":"auspicious"},{"name":"Roga","start":"00:54","end":"02:20","startHours":24.89966684127688,"endHours":26.326447071700002,"quality":"inauspicious"},{"name":"Udveg","start":"02:20","end":"03:45","startHours":26.326447071700002,"endHours":27.75322730212313,"quality":"inauspicious"},{"name":"Chala","start":"03:45","end":"05:11","startHours":27.75322730212313,"endHours":29.180007532546252,"quality":"neutral"},{"name":"Labha","start":"05:11","end":"06:36","startHours":29.180007532546252,"endHours":30.606787762969375,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.6067877629693745,"endHours":7.6067877629693745,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.6067877629693745,"endHours":8.606787762969375,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.606787762969375,"endHours":9.606787762969375,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.606787762969375,"endHours":10.606787762969375,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.606787762969375,"endHours":11.606787762969375,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.606787762969375,"endHours":12.606787762969375,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.606787762969375,"endHours":13.606787762969375,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.606787762969375,"endHours":14.606787762969375,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.606787762969375,"endHours":15.606787762969375,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.606787762969375,"endHours":16.606787762969375,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.606787762969375,"endHours":17.606787762969375,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.606787762969375,"endHours":18.606787762969375,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.606787762969375,"endHours":19.606787762969375,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.606787762969375,"endHours":20.606787762969375,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.606787762969375,"endHours":21.606787762969375,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.606787762969375,"endHours":22.606787762969375,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.606787762969375,"endHours":23.606787762969375,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.606787762969375,"endHours":24.606787762969375,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.606787762969375,"endHours":25.606787762969375,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.606787762969375,"endHours":26.606787762969375,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.606787762969375,"endHours":27.606787762969375,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.606787762969375,"endHours":28.606787762969375,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.606787762969375,"endHours":29.606787762969375,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.606787762969375,"endHours":30.606787762969375,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":8.446854086163663,"eotMinutes":0.14558952338733633,"ayanamsa":19.3922}},"calendars":{"vikram_samvat":1737,"vikram_samvatsara":"Śrīmukha","saka_samvat":1602,"saka_samvatsara":"Raudra","bengali_samvat":1087,"malayalam_era":856,"nanakshahi_year":211,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Saptamī · Vikram 1737 Śrīmukha · Śaka 1602 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 31, 1680 CE · Dvārakā · Vidhyamitra","description":"August 31, 1680 CE for Dvārakā: Śukla Saptamī, sūryodaya 06:36, sūryāsta 19:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1680-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1680-08-31","sa":"https://sa.vidhyamitra.com/city/dwarka/1680-08-31","hi":"https://hi.vidhyamitra.com/city/dwarka/1680-08-31","x-default":"https://vidhyamitra.com/city/dwarka/1680-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T19:12:34.128Z","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":"2026-06-03T19:12:34.128Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T19:12:34.128Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}