{"id":"vidhyamitra:city-day:solapur:1981-08-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/1981-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-31","date_display":"August 31, 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":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444847.770833,"kali_year":5083,"ahargana":1856382.2708,"sun":{"sidereal_longitude":133.3218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.7444,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4225,"elapsed_within_tithi_degrees":7.4225},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.7444,"elapsed_within_degrees":6.0777},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0662},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444847.770833,"ahargana":1856382.2708,"kali_year":5083,"ayanamsa_lahiri":23.5969,"grahas":{"sun":{"sidereal_longitude":133.96119399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.03779399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.5835},"mars":{"sidereal_longitude":95.357394,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":152.05609400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":168.19969400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":171.47319399999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":164.63849400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":99.9338,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.9338,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444847.770833,"kali_year":5083,"ahargana":1856382.2708,"sun":{"sidereal_longitude":133.3218,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":152.7444,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":19.4225,"elapsed_within_tithi_degrees":7.4225},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.7444,"elapsed_within_degrees":6.0777},"yoga":{"number":22,"name":"Sādhya","sum_longitude":286.0662},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.584,"elongation":19.423},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.584,"opposition_distance":160.577}},"eclipse_window_40days":[]},"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"solapur","name":"Solapur, Maharashtra","lat":17.6599,"lon":75.9064,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"06:11","sunsetLocal":"18:41","solarNoonLocal":"12:26","dayLengthHours":12.491877045618606,"dayLengthDisplay":"12 Hours 29 Mins 31 Secs","nightLengthDisplay":"11 Hours 30 Mins 29 Secs","moonriseLocal":"07:29","moonsetLocal":"19:40","rahuKala":{"name":"Rāhu Kāla","start":"07:45","end":"09:19","startHours":7.7526929491699015,"endHours":9.314177579872227,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:26","startHours":10.875662210574554,"endHours":12.437146841276878,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:34","startHours":13.998631471979206,"endHours":15.56011610268153,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:31","startHours":9.105979629111918,"endHours":9.522375530632537,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:03","startHours":6.711703195368351,"endHours":7.044819916584847,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:51","startHours":12.020750939756258,"endHours":12.853542742797497,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:22","startHours":4.525624712385095,"endHours":5.358416515426335,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:11","startHours":5.150218564666025,"endHours":6.1912083184675755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:31","end":"15:21","startHours":14.51912634887998,"endHours":15.351918151921222,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.483085364086183,"endHours":18.88308536408618,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:12","startHours":18.683085364086182,"endHours":19.20358024098696,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.433085364086182,"endHours":20.183085364086182,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:51","startHours":24.020750939756258,"endHours":24.853542742797497,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:11","end":"07:45","startHours":6.1912083184675755,"endHours":7.7526929491699015,"quality":"auspicious"},{"name":"Kāla","start":"07:45","end":"09:19","startHours":7.7526929491699015,"endHours":9.314177579872227,"quality":"inauspicious"},{"name":"Śubha","start":"09:19","end":"10:53","startHours":9.314177579872227,"endHours":10.875662210574554,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:26","startHours":10.875662210574554,"endHours":12.437146841276878,"quality":"inauspicious"},{"name":"Udveg","start":"12:26","end":"14:00","startHours":12.437146841276878,"endHours":13.998631471979206,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:34","startHours":13.998631471979206,"endHours":15.56011610268153,"quality":"neutral"},{"name":"Labha","start":"15:34","end":"17:07","startHours":15.56011610268153,"endHours":17.121600733383858,"quality":"auspicious"},{"name":"Amṛta","start":"17:07","end":"18:41","startHours":17.121600733383858,"endHours":18.683085364086182,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:41","end":"20:07","startHours":18.683085364086182,"endHours":20.121600733383858,"quality":"neutral"},{"name":"Labha","start":"20:07","end":"21:34","startHours":20.121600733383858,"endHours":21.56011610268153,"quality":"auspicious"},{"name":"Amṛta","start":"21:34","end":"23:00","startHours":21.56011610268153,"endHours":22.998631471979206,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:26","startHours":22.998631471979206,"endHours":24.437146841276878,"quality":"inauspicious"},{"name":"Śubha","start":"00:26","end":"01:53","startHours":24.437146841276878,"endHours":25.875662210574554,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:19","startHours":25.875662210574554,"endHours":27.31417757987223,"quality":"inauspicious"},{"name":"Udveg","start":"03:19","end":"04:45","startHours":27.31417757987223,"endHours":28.7526929491699,"quality":"inauspicious"},{"name":"Chala","start":"04:45","end":"06:11","startHours":28.7526929491699,"endHours":30.191208318467574,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:11","end":"07:11","startHours":6.1912083184675755,"endHours":7.1912083184675755,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:11","end":"08:11","startHours":7.1912083184675755,"endHours":8.191208318467575,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:11","end":"09:11","startHours":8.191208318467575,"endHours":9.191208318467575,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:11","end":"10:11","startHours":9.191208318467575,"endHours":10.191208318467575,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:11","end":"11:11","startHours":10.191208318467575,"endHours":11.191208318467575,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:11","end":"12:11","startHours":11.191208318467575,"endHours":12.191208318467575,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:11","end":"13:11","startHours":12.191208318467575,"endHours":13.191208318467575,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:11","end":"14:11","startHours":13.191208318467575,"endHours":14.191208318467575,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:11","end":"15:11","startHours":14.191208318467575,"endHours":15.191208318467575,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:11","end":"16:11","startHours":15.191208318467575,"endHours":16.191208318467574,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:11","end":"17:11","startHours":16.191208318467574,"endHours":17.191208318467574,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:11","end":"18:11","startHours":17.191208318467574,"endHours":18.191208318467574,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:11","end":"19:11","startHours":18.191208318467574,"endHours":19.191208318467574,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:11","end":"20:11","startHours":19.191208318467574,"endHours":20.191208318467574,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:11","end":"21:11","startHours":20.191208318467574,"endHours":21.191208318467574,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:11","end":"22:11","startHours":21.191208318467574,"endHours":22.191208318467574,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:11","end":"23:11","startHours":22.191208318467574,"endHours":23.191208318467574,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:11","end":"00:11","startHours":23.191208318467574,"endHours":24.191208318467574,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:11","end":"01:11","startHours":24.191208318467574,"endHours":25.191208318467574,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:11","end":"02:11","startHours":25.191208318467574,"endHours":26.191208318467574,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:11","end":"03:11","startHours":26.191208318467574,"endHours":27.191208318467574,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:11","end":"04:11","startHours":27.191208318467574,"endHours":28.191208318467574,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:11","end":"05:11","startHours":28.191208318467574,"endHours":29.191208318467574,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:11","end":"06:11","startHours":29.191208318467574,"endHours":30.191208318467574,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":8.733164765444263,"eotMinutes":0.14558952338733633,"ayanamsa":23.5969}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"solapur"},"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, 1981 CE · Solapur, Maharashtra · Vidhyamitra","description":"August 31, 1981 CE for Solapur, Maharashtra: Śukla Dvitīyā, sūryodaya 06:11, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/1981-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/1981-08-31","sa":"https://sa.vidhyamitra.com/city/solapur/1981-08-31","hi":"https://hi.vidhyamitra.com/city/solapur/1981-08-31","x-default":"https://vidhyamitra.com/city/solapur/1981-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T18:49:28.866Z","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":"2026-05-19T18:49:28.866Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T18:49:28.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}