{"id":"vidhyamitra:city-day:solapur:2018-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/solapur/2018-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-12-13","date_display":"December 13, 2018 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":2018,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458465.770833,"kali_year":5120,"ahargana":1870000.2708,"sun":{"sidereal_longitude":236.397,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":303.0821,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.6851,"elapsed_within_tithi_degrees":6.6851},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.0821,"elapsed_within_degrees":9.7488},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.4792},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2018,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458465.770833,"ahargana":1870000.2708,"kali_year":5120,"ayanamsa_lahiri":24.1177,"grahas":{"sun":{"sidereal_longitude":236.84778600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":300.125186,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":-1.8785},"mars":{"sidereal_longitude":322.90568600000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":215.54298599999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":223.509586,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":192.359286,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":254.942586,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":98.3866,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.3866,"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":2018,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458465.770833,"kali_year":5120,"ahargana":1870000.2708,"sun":{"sidereal_longitude":236.397,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":303.0821,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.6851,"elapsed_within_tithi_degrees":6.6851},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":303.0821,"elapsed_within_degrees":9.7488},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.4792},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.878,"elongation":66.685},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.878,"opposition_distance":113.315}},"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":"06:49","sunsetLocal":"17:54","solarNoonLocal":"12:21","dayLengthHours":11.085713635652905,"dayLengthDisplay":"11 Hours 05 Mins 09 Secs","nightLengthDisplay":"12 Hours 54 Mins 51 Secs","moonriseLocal":"10:49","moonsetLocal":"22:19","rahuKala":{"name":"Rāhu Kāla","start":"13:44","end":"15:08","startHours":13.74044336696631,"endHours":15.126157571422922,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:49","end":"08:12","startHours":6.811872344683246,"endHours":8.197586549139858,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:35","end":"10:58","startHours":9.583300753596472,"endHours":10.969014958053084,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:46","startHours":9.398538859668923,"endHours":9.76806264752402,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:34","startHours":7.273777079502117,"endHours":7.569396109786195,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:43","startHours":11.9852053746546,"endHours":12.724252950364795,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.333777193262859,"endHours":6.072824768973052,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:49","startHours":5.888062875045503,"endHours":6.811872344683246,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:56","startHours":14.202348101785182,"endHours":14.941395677495375,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.69758598033615,"endHours":18.09758598033615,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:22","startHours":17.89758598033615,"endHours":18.35949071515502,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.64758598033615,"endHours":19.39758598033615,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:43","startHours":23.9852053746546,"endHours":24.724252950364797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:49","end":"08:12","startHours":6.811872344683246,"endHours":8.197586549139858,"quality":"auspicious"},{"name":"Roga","start":"08:12","end":"09:35","startHours":8.197586549139858,"endHours":9.583300753596472,"quality":"inauspicious"},{"name":"Udveg","start":"09:35","end":"10:58","startHours":9.583300753596472,"endHours":10.969014958053084,"quality":"inauspicious"},{"name":"Chala","start":"10:58","end":"12:21","startHours":10.969014958053084,"endHours":12.354729162509699,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:44","startHours":12.354729162509699,"endHours":13.74044336696631,"quality":"auspicious"},{"name":"Amṛta","start":"13:44","end":"15:08","startHours":13.74044336696631,"endHours":15.126157571422922,"quality":"auspicious"},{"name":"Kāla","start":"15:08","end":"16:31","startHours":15.126157571422922,"endHours":16.511871775879538,"quality":"inauspicious"},{"name":"Śubha","start":"16:31","end":"17:54","startHours":16.511871775879538,"endHours":17.89758598033615,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:54","end":"19:31","startHours":17.89758598033615,"endHours":19.511871775879538,"quality":"auspicious"},{"name":"Kāla","start":"19:31","end":"21:08","startHours":19.511871775879538,"endHours":21.126157571422922,"quality":"inauspicious"},{"name":"Śubha","start":"21:08","end":"22:44","startHours":21.126157571422922,"endHours":22.74044336696631,"quality":"auspicious"},{"name":"Roga","start":"22:44","end":"00:21","startHours":22.74044336696631,"endHours":24.3547291625097,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"01:58","startHours":24.3547291625097,"endHours":25.969014958053084,"quality":"inauspicious"},{"name":"Chala","start":"01:58","end":"03:35","startHours":25.969014958053084,"endHours":27.583300753596472,"quality":"neutral"},{"name":"Labha","start":"03:35","end":"05:12","startHours":27.583300753596472,"endHours":29.197586549139857,"quality":"auspicious"},{"name":"Amṛta","start":"05:12","end":"06:49","startHours":29.197586549139857,"endHours":30.811872344683245,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.811872344683246,"endHours":7.811872344683246,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.811872344683246,"endHours":8.811872344683245,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.811872344683245,"endHours":9.811872344683245,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.811872344683245,"endHours":10.811872344683245,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.811872344683245,"endHours":11.811872344683245,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.811872344683245,"endHours":12.811872344683245,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.811872344683245,"endHours":13.811872344683245,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.811872344683245,"endHours":14.811872344683245,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.811872344683245,"endHours":15.811872344683245,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.811872344683245,"endHours":16.811872344683245,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.811872344683245,"endHours":17.811872344683245,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.811872344683245,"endHours":18.811872344683245,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.811872344683245,"endHours":19.811872344683245,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.811872344683245,"endHours":20.811872344683245,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.811872344683245,"endHours":21.811872344683245,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.811872344683245,"endHours":22.811872344683245,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.811872344683245,"endHours":23.811872344683245,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.811872344683245,"endHours":24.811872344683245,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.811872344683245,"endHours":25.811872344683245,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.811872344683245,"endHours":26.811872344683245,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.811872344683245,"endHours":27.811872344683245,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.811872344683245,"endHours":28.811872344683245,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.811872344683245,"endHours":29.811872344683245,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.811872344683245,"endHours":30.811872344683245,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.1287217383452,"eotMinutes":5.090650249418121,"ayanamsa":24.1177}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"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 December 13, 2018 CE · Solapur, Maharashtra · Vidhyamitra","description":"December 13, 2018 CE for Solapur, Maharashtra: Śukla Ṣaṣṭhī, sūryodaya 06:49, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/solapur/2018-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/solapur/2018-12-13","sa":"https://sa.vidhyamitra.com/city/solapur/2018-12-13","hi":"https://hi.vidhyamitra.com/city/solapur/2018-12-13","x-default":"https://vidhyamitra.com/city/solapur/2018-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T08:23:58.856Z","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":"2026-05-15T08:23:58.857Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T08:23:58.857Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}