{"id":"vidhyamitra:city-day:solapur:1981-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/1981-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-12","date_display":"January 12, 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":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444616.770833,"kali_year":5082,"ahargana":1856151.2708,"sun":{"sidereal_longitude":268.0751,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":340.2558,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.1807,"elapsed_within_tithi_degrees":0.1807},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2558,"elapsed_within_degrees":6.9225},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.331},"karana":{"half_tithi_index":12,"name":"Gara"},"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":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444616.770833,"ahargana":1856151.2708,"kali_year":5082,"ayanamsa_lahiri":23.588,"grahas":{"sun":{"sidereal_longitude":268.16562,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":340.03122,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-3.347},"mars":{"sidereal_longitude":286.24882,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":275.69772,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":166.59011999999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":247.63102000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":165.91992000000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":112.1732,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":292.1732,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444616.770833,"kali_year":5082,"ahargana":1856151.2708,"sun":{"sidereal_longitude":268.0751,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":340.2558,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.1807,"elapsed_within_tithi_degrees":0.1807},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":340.2558,"elapsed_within_degrees":6.9225},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.331},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.347,"elongation":72.181},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.347,"opposition_distance":107.819}},"eclipse_window_40days":[{"offset_days":8,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776}]},"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":"07:00","sunsetLocal":"18:09","solarNoonLocal":"12:35","dayLengthHours":11.15686632208033,"dayLengthDisplay":"11 Hours 09 Mins 25 Secs","nightLengthDisplay":"12 Hours 50 Mins 35 Secs","moonriseLocal":"11:18","moonsetLocal":"23:26","rahuKala":{"name":"Rāhu Kāla","start":"08:24","end":"09:47","startHours":8.393506506492841,"endHours":9.788114796752883,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:11","end":"12:35","startHours":11.182723087012924,"endHours":12.577331377272966,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:58","end":"15:22","startHours":13.971939667533007,"endHours":15.366547957793045,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.60216702471821,"endHours":9.974062568787556,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.46376764631948,"endHours":7.7612840815749555,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:57","startHours":12.20543583320362,"endHours":12.949226921342309,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:15","startHours":5.511316039955423,"endHours":6.255107128094112,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:04","end":"07:00","startHours":6.06915935605944,"endHours":6.9988982162328,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:11","startHours":14.436809097619687,"endHours":15.180600185758376,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95576453831313,"endHours":18.355764538313128,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:37","startHours":18.15576453831313,"endHours":18.620633968399808,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.90576453831313,"endHours":19.65576453831313,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:57","startHours":24.20543583320362,"endHours":24.949226921342305,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:00","end":"08:24","startHours":6.9988982162328,"endHours":8.393506506492841,"quality":"auspicious"},{"name":"Kāla","start":"08:24","end":"09:47","startHours":8.393506506492841,"endHours":9.788114796752883,"quality":"inauspicious"},{"name":"Śubha","start":"09:47","end":"11:11","startHours":9.788114796752883,"endHours":11.182723087012924,"quality":"auspicious"},{"name":"Roga","start":"11:11","end":"12:35","startHours":11.182723087012924,"endHours":12.577331377272966,"quality":"inauspicious"},{"name":"Udveg","start":"12:35","end":"13:58","startHours":12.577331377272966,"endHours":13.971939667533007,"quality":"inauspicious"},{"name":"Chala","start":"13:58","end":"15:22","startHours":13.971939667533007,"endHours":15.366547957793045,"quality":"neutral"},{"name":"Labha","start":"15:22","end":"16:46","startHours":15.366547957793045,"endHours":16.761156248053087,"quality":"auspicious"},{"name":"Amṛta","start":"16:46","end":"18:09","startHours":16.761156248053087,"endHours":18.15576453831313,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:09","end":"19:46","startHours":18.15576453831313,"endHours":19.761156248053087,"quality":"neutral"},{"name":"Labha","start":"19:46","end":"21:22","startHours":19.761156248053087,"endHours":21.366547957793045,"quality":"auspicious"},{"name":"Amṛta","start":"21:22","end":"22:58","startHours":21.366547957793045,"endHours":22.971939667533007,"quality":"auspicious"},{"name":"Kāla","start":"22:58","end":"00:35","startHours":22.971939667533007,"endHours":24.577331377272962,"quality":"inauspicious"},{"name":"Śubha","start":"00:35","end":"02:11","startHours":24.577331377272962,"endHours":26.182723087012924,"quality":"auspicious"},{"name":"Roga","start":"02:11","end":"03:47","startHours":26.182723087012924,"endHours":27.788114796752883,"quality":"inauspicious"},{"name":"Udveg","start":"03:47","end":"05:24","startHours":27.788114796752883,"endHours":29.39350650649284,"quality":"inauspicious"},{"name":"Chala","start":"05:24","end":"07:00","startHours":29.39350650649284,"endHours":30.9988982162328,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.9988982162328,"endHours":7.9988982162328,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.9988982162328,"endHours":8.9988982162328,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.9988982162328,"endHours":9.9988982162328,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.9988982162328,"endHours":10.9988982162328,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.9988982162328,"endHours":11.9988982162328,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.9988982162328,"endHours":12.9988982162328,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.9988982162328,"endHours":13.9988982162328,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.9988982162328,"endHours":14.9988982162328,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.9988982162328,"endHours":15.9988982162328,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.9988982162328,"endHours":16.9988982162328,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.9988982162328,"endHours":17.9988982162328,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.9988982162328,"endHours":18.9988982162328,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.9988982162328,"endHours":19.9988982162328,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.9988982162328,"endHours":20.9988982162328,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.9988982162328,"endHours":21.9988982162328,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.9988982162328,"endHours":22.9988982162328,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.9988982162328,"endHours":23.9988982162328,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.9988982162328,"endHours":24.9988982162328,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.9988982162328,"endHours":25.9988982162328,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.9988982162328,"endHours":26.9988982162328,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.9988982162328,"endHours":27.9988982162328,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.9988982162328,"endHours":28.9988982162328,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.9988982162328,"endHours":29.9988982162328,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.9988982162328,"endHours":30.9988982162328,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.679136220686505,"eotMinutes":-8.265482636377905,"ayanamsa":23.588}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"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 January 12, 1981 CE · Solapur, Maharashtra · Vidhyamitra","description":"January 12, 1981 CE for Solapur, Maharashtra: Śukla Saptamī, sūryodaya 07:00, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/1981-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/1981-01-12","sa":"https://sa.vidhyamitra.com/city/solapur/1981-01-12","hi":"https://hi.vidhyamitra.com/city/solapur/1981-01-12","x-default":"https://vidhyamitra.com/city/solapur/1981-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T18:49:37.650Z","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":"2026-05-19T18:49:37.650Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T18:49:37.650Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}