{"id":"vidhyamitra:city-day:solapur:2015-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/2015-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-01-31","date_display":"January 31, 2015 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":2015,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457053.770833,"kali_year":5116,"ahargana":1868588.2708,"sun":{"sidereal_longitude":286.7356,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":61.2816,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.546,"elapsed_within_tithi_degrees":2.546},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.2816,"elapsed_within_degrees":7.9483},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.0172},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2015,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457053.770833,"ahargana":1868588.2708,"kali_year":5116,"ayanamsa_lahiri":24.0637,"grahas":{"sun":{"sidereal_longitude":286.763635,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":62.65443499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-4.1741},"mars":{"sidereal_longitude":320.2152349999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":285.46463500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":113.672935,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":309.9769349999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.13063499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":173.2011,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":353.2011,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"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":2015,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457053.770833,"kali_year":5116,"ahargana":1868588.2708,"sun":{"sidereal_longitude":286.7356,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":61.2816,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.546,"elapsed_within_tithi_degrees":2.546},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":61.2816,"elapsed_within_degrees":7.9483},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.0172},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.174,"elongation":134.546},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.174,"opposition_distance":45.454}},"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":"06:59","sunsetLocal":"18:21","solarNoonLocal":"12:40","dayLengthHours":11.353887469538211,"dayLengthDisplay":"11 Hours 21 Mins 14 Secs","nightLengthDisplay":"12 Hours 38 Mins 46 Secs","moonriseLocal":"15:09","moonsetLocal":"04:18","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:15","startHours":9.826594608312815,"endHours":11.245830542005091,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:05","end":"15:30","startHours":14.084302409389643,"endHours":15.503538343081921,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:59","end":"08:24","startHours":6.9881227409282625,"endHours":8.40735867462054,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"10:01","startHours":9.637363150487179,"endHours":10.015826066138452,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.4612013854923545,"endHours":7.763971718013374,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:03","startHours":12.286603560046094,"endHours":13.04352939134864,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:14","startHours":5.474271078323167,"endHours":6.231196909625715,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:59","startHours":6.0419654518000785,"endHours":6.9881227409282625,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:19","startHours":14.557381053953737,"endHours":15.314306885256284,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.142010210466474,"endHours":18.542010210466472,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:49","startHours":18.342010210466473,"endHours":18.815088855030567,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.092010210466473,"endHours":19.842010210466473,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:03","startHours":24.286603560046093,"endHours":25.04352939134864,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:59","end":"08:24","startHours":6.9881227409282625,"endHours":8.40735867462054,"quality":"inauspicious"},{"name":"Śubha","start":"08:24","end":"09:50","startHours":8.40735867462054,"endHours":9.826594608312815,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:15","startHours":9.826594608312815,"endHours":11.245830542005091,"quality":"inauspicious"},{"name":"Udveg","start":"11:15","end":"12:40","startHours":11.245830542005091,"endHours":12.665066475697369,"quality":"inauspicious"},{"name":"Chala","start":"12:40","end":"14:05","startHours":12.665066475697369,"endHours":14.084302409389643,"quality":"neutral"},{"name":"Labha","start":"14:05","end":"15:30","startHours":14.084302409389643,"endHours":15.503538343081921,"quality":"auspicious"},{"name":"Amṛta","start":"15:30","end":"16:55","startHours":15.503538343081921,"endHours":16.9227742767742,"quality":"auspicious"},{"name":"Kāla","start":"16:55","end":"18:21","startHours":16.9227742767742,"endHours":18.342010210466473,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:21","end":"19:55","startHours":18.342010210466473,"endHours":19.922774276774195,"quality":"auspicious"},{"name":"Amṛta","start":"19:55","end":"21:30","startHours":19.922774276774195,"endHours":21.50353834308192,"quality":"auspicious"},{"name":"Kāla","start":"21:30","end":"23:05","startHours":21.50353834308192,"endHours":23.084302409389643,"quality":"inauspicious"},{"name":"Śubha","start":"23:05","end":"00:40","startHours":23.084302409389643,"endHours":24.665066475697365,"quality":"auspicious"},{"name":"Roga","start":"00:40","end":"02:15","startHours":24.665066475697365,"endHours":26.24583054200509,"quality":"inauspicious"},{"name":"Udveg","start":"02:15","end":"03:50","startHours":26.24583054200509,"endHours":27.826594608312814,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:24","startHours":27.826594608312814,"endHours":29.40735867462054,"quality":"neutral"},{"name":"Labha","start":"05:24","end":"06:59","startHours":29.40735867462054,"endHours":30.98812274092826,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.9881227409282625,"endHours":7.9881227409282625,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.9881227409282625,"endHours":8.988122740928262,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.988122740928262,"endHours":9.988122740928262,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.988122740928262,"endHours":10.988122740928262,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.988122740928262,"endHours":11.988122740928262,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.988122740928262,"endHours":12.988122740928262,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.988122740928262,"endHours":13.988122740928262,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.988122740928262,"endHours":14.988122740928262,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.988122740928262,"endHours":15.988122740928262,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.988122740928262,"endHours":16.98812274092826,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.98812274092826,"endHours":17.98812274092826,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.98812274092826,"endHours":18.98812274092826,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.98812274092826,"endHours":19.98812274092826,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.98812274092826,"endHours":20.98812274092826,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.98812274092826,"endHours":21.98812274092826,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.98812274092826,"endHours":22.98812274092826,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.98812274092826,"endHours":23.98812274092826,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.98812274092826,"endHours":24.98812274092826,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.98812274092826,"endHours":25.98812274092826,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.98812274092826,"endHours":26.98812274092826,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.98812274092826,"endHours":27.98812274092826,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.98812274092826,"endHours":28.98812274092826,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.98812274092826,"endHours":29.98812274092826,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.98812274092826,"endHours":30.98812274092826,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.51512090866918,"eotMinutes":-13.52958854184206,"ayanamsa":24.0637}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"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 31, 2015 CE · Solapur, Maharashtra · Vidhyamitra","description":"January 31, 2015 CE for Solapur, Maharashtra: Śukla Dvādaśī, sūryodaya 06:59, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/2015-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/2015-01-31","sa":"https://sa.vidhyamitra.com/city/solapur/2015-01-31","hi":"https://hi.vidhyamitra.com/city/solapur/2015-01-31","x-default":"https://vidhyamitra.com/city/solapur/2015-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:03:55.378Z","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":"2026-05-15T13:03:55.378Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:03:55.378Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}