{"id":"vidhyamitra:city-day:solapur:1981-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/1981-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-01","date_display":"October 1, 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":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444878.770833,"kali_year":5083,"ahargana":1856413.2708,"sun":{"sidereal_longitude":163.4822,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":198.8883,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.406,"elapsed_within_tithi_degrees":11.406},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.8883,"elapsed_within_degrees":12.2216},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.3705},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444878.770833,"ahargana":1856413.2708,"kali_year":5083,"ayanamsa_lahiri":23.598,"grahas":{"sun":{"sidereal_longitude":164.18370900000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":196.537109,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":4.4231},"mars":{"sidereal_longitude":114.69100900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":189.24150899999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":174.65580899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":207.63300900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":168.29820900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.2912,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.2912,"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":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444878.770833,"kali_year":5083,"ahargana":1856413.2708,"sun":{"sidereal_longitude":163.4822,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":198.8883,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.406,"elapsed_within_tithi_degrees":11.406},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.8883,"elapsed_within_degrees":12.2216},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":2.3705},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.423,"elongation":35.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.423,"opposition_distance":144.594}},"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":"06:16","sunsetLocal":"18:15","solarNoonLocal":"12:15","dayLengthHours":11.98555592453359,"dayLengthDisplay":"11 Hours 59 Mins 08 Secs","nightLengthDisplay":"12 Hours 00 Mins 52 Secs","moonriseLocal":"08:41","moonsetLocal":"20:08","rahuKala":{"name":"Rāhu Kāla","start":"13:45","end":"15:15","startHours":13.751638420790293,"endHours":15.249832911356991,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:46","startHours":6.260665967956799,"endHours":7.758860458523498,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:15","end":"10:45","startHours":9.257054949090197,"endHours":10.755249439656895,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:03","end":"09:27","startHours":9.057295683681303,"endHours":9.45681421449909,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:05","startHours":6.760064131479032,"endHours":7.079678956133261,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:39","startHours":11.853925399405806,"endHours":12.65296246104138,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:28","startHours":4.662591844685653,"endHours":5.461628906321226,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:16","startHours":5.261869640912333,"endHours":6.260665967956799,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:03","startHours":14.251036584312526,"endHours":15.0500736459481,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.04622189249039,"endHours":18.44622189249039,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:45","startHours":18.24622189249039,"endHours":18.745620056012623,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.99622189249039,"endHours":19.74622189249039,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:39","startHours":23.853925399405806,"endHours":24.65296246104138,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:46","startHours":6.260665967956799,"endHours":7.758860458523498,"quality":"auspicious"},{"name":"Roga","start":"07:46","end":"09:15","startHours":7.758860458523498,"endHours":9.257054949090197,"quality":"inauspicious"},{"name":"Udveg","start":"09:15","end":"10:45","startHours":9.257054949090197,"endHours":10.755249439656895,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:15","startHours":10.755249439656895,"endHours":12.253443930223593,"quality":"neutral"},{"name":"Labha","start":"12:15","end":"13:45","startHours":12.253443930223593,"endHours":13.751638420790293,"quality":"auspicious"},{"name":"Amṛta","start":"13:45","end":"15:15","startHours":13.751638420790293,"endHours":15.249832911356991,"quality":"auspicious"},{"name":"Kāla","start":"15:15","end":"16:45","startHours":15.249832911356991,"endHours":16.748027401923693,"quality":"inauspicious"},{"name":"Śubha","start":"16:45","end":"18:15","startHours":16.748027401923693,"endHours":18.24622189249039,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:15","end":"19:45","startHours":18.24622189249039,"endHours":19.74802740192369,"quality":"auspicious"},{"name":"Kāla","start":"19:45","end":"21:15","startHours":19.74802740192369,"endHours":21.249832911356993,"quality":"inauspicious"},{"name":"Śubha","start":"21:15","end":"22:45","startHours":21.249832911356993,"endHours":22.751638420790293,"quality":"auspicious"},{"name":"Roga","start":"22:45","end":"00:15","startHours":22.751638420790293,"endHours":24.253443930223593,"quality":"inauspicious"},{"name":"Udveg","start":"00:15","end":"01:45","startHours":24.253443930223593,"endHours":25.755249439656893,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:15","startHours":25.755249439656893,"endHours":27.257054949090197,"quality":"neutral"},{"name":"Labha","start":"03:15","end":"04:46","startHours":27.257054949090197,"endHours":28.758860458523497,"quality":"auspicious"},{"name":"Amṛta","start":"04:46","end":"06:16","startHours":28.758860458523497,"endHours":30.260665967956797,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.260665967956799,"endHours":7.260665967956799,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.260665967956799,"endHours":8.260665967956799,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.260665967956799,"endHours":9.260665967956799,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.260665967956799,"endHours":10.260665967956799,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.260665967956799,"endHours":11.260665967956799,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.260665967956799,"endHours":12.260665967956799,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.260665967956799,"endHours":13.260665967956799,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.260665967956799,"endHours":14.260665967956799,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.260665967956799,"endHours":15.260665967956799,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.260665967956799,"endHours":16.260665967956797,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.260665967956797,"endHours":17.260665967956797,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.260665967956797,"endHours":18.260665967956797,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.260665967956797,"endHours":19.260665967956797,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.260665967956797,"endHours":20.260665967956797,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.260665967956797,"endHours":21.260665967956797,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.260665967956797,"endHours":22.260665967956797,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.260665967956797,"endHours":23.260665967956797,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.260665967956797,"endHours":24.260665967956797,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.260665967956797,"endHours":25.260665967956797,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.260665967956797,"endHours":26.260665967956797,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.260665967956797,"endHours":27.260665967956797,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.260665967956797,"endHours":28.260665967956797,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.260665967956797,"endHours":29.260665967956797,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.260665967956797,"endHours":30.260665967956797,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-3.0870251583370667,"eotMinutes":11.167764186584405,"ayanamsa":23.598}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Tṛtīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 1, 1981 CE · Solapur, Maharashtra · Vidhyamitra","description":"October 1, 1981 CE for Solapur, Maharashtra: Śukla Tṛtīyā, sūryodaya 06:16, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/1981-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/1981-10-01","sa":"https://sa.vidhyamitra.com/city/solapur/1981-10-01","hi":"https://hi.vidhyamitra.com/city/solapur/1981-10-01","x-default":"https://vidhyamitra.com/city/solapur/1981-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T19:30:44.877Z","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":"2026-05-18T19:30:44.877Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T19:30:44.877Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}