{"id":"vidhyamitra:city-day:thane:2018-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2018-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-12-11","date_display":"December 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458463.770833,"kali_year":5120,"ahargana":1869998.2708,"sun":{"sidereal_longitude":234.347,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":279.2233,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.8763,"elapsed_within_tithi_degrees":8.8763},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.2233,"elapsed_within_degrees":12.5566},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.5703},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458463.770833,"ahargana":1869998.2708,"kali_year":5120,"ayanamsa_lahiri":24.1176,"grahas":{"sun":{"sidereal_longitude":234.81476199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":276.5362620000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-0.0573},"mars":{"sidereal_longitude":321.59126200000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":214.12026200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":223.06676199999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":190.88646199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":254.71486200000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":98.4925,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.4925,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458463.770833,"kali_year":5120,"ahargana":1869998.2708,"sun":{"sidereal_longitude":234.347,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":279.2233,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.8763,"elapsed_within_tithi_degrees":8.8763},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.2233,"elapsed_within_degrees":12.5566},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.5703},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.057,"elongation":44.876},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.057,"opposition_distance":135.124}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:02","sunsetLocal":"18:02","solarNoonLocal":"12:32","dayLengthHours":10.995807885783968,"dayLengthDisplay":"10 Hours 59 Mins 45 Secs","nightLengthDisplay":"13 Hours 00 Mins 15 Secs","moonriseLocal":"09:46","moonsetLocal":"20:52","rahuKala":{"name":"Rāhu Kāla","start":"15:17","end":"16:40","startHours":15.28394392670378,"endHours":16.658419912426776,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:47","end":"11:10","startHours":9.786039983811795,"endHours":11.160515969534792,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:32","end":"13:55","startHours":12.534991955257787,"endHours":13.909467940980782,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:58","startHours":9.602776519048728,"endHours":9.96930344857486,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.495246674273469,"endHours":7.7884682178943745,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:54","startHours":12.168465025731654,"endHours":12.90151888478392,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:18","startHours":5.5709802942612745,"endHours":6.3040341533135384,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:02","startHours":6.120770688550473,"endHours":7.037088012365803,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:06","startHours":14.367626602888448,"endHours":15.100680461940712,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.832895898149772,"endHours":18.23289589814977,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:29","startHours":18.03289589814977,"endHours":18.491054560057435,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78289589814977,"endHours":19.53289589814977,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:54","startHours":24.168465025731656,"endHours":24.90151888478392,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:02","end":"08:25","startHours":7.037088012365803,"endHours":8.411563998088798,"quality":"inauspicious"},{"name":"Udveg","start":"08:25","end":"09:47","startHours":8.411563998088798,"endHours":9.786039983811795,"quality":"inauspicious"},{"name":"Chala","start":"09:47","end":"11:10","startHours":9.786039983811795,"endHours":11.160515969534792,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:32","startHours":11.160515969534792,"endHours":12.534991955257787,"quality":"auspicious"},{"name":"Amṛta","start":"12:32","end":"13:55","startHours":12.534991955257787,"endHours":13.909467940980782,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:17","startHours":13.909467940980782,"endHours":15.28394392670378,"quality":"inauspicious"},{"name":"Śubha","start":"15:17","end":"16:40","startHours":15.28394392670378,"endHours":16.658419912426776,"quality":"auspicious"},{"name":"Roga","start":"16:40","end":"18:02","startHours":16.658419912426776,"endHours":18.03289589814977,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:02","end":"19:40","startHours":18.03289589814977,"endHours":19.658419912426776,"quality":"inauspicious"},{"name":"Śubha","start":"19:40","end":"21:17","startHours":19.658419912426776,"endHours":21.283943926703778,"quality":"auspicious"},{"name":"Roga","start":"21:17","end":"22:55","startHours":21.283943926703778,"endHours":22.909467940980782,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:32","startHours":22.909467940980782,"endHours":24.534991955257787,"quality":"inauspicious"},{"name":"Chala","start":"00:32","end":"02:10","startHours":24.534991955257787,"endHours":26.160515969534792,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:47","startHours":26.160515969534792,"endHours":27.786039983811797,"quality":"auspicious"},{"name":"Amṛta","start":"03:47","end":"05:25","startHours":27.786039983811797,"endHours":29.4115639980888,"quality":"auspicious"},{"name":"Kāla","start":"05:25","end":"07:02","startHours":29.4115639980888,"endHours":31.037088012365803,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.037088012365803,"endHours":8.037088012365803,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.037088012365803,"endHours":9.037088012365803,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.037088012365803,"endHours":10.037088012365803,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.037088012365803,"endHours":11.037088012365803,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.037088012365803,"endHours":12.037088012365803,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.037088012365803,"endHours":13.037088012365803,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.037088012365803,"endHours":14.037088012365803,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.037088012365803,"endHours":15.037088012365803,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.037088012365803,"endHours":16.037088012365803,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.037088012365803,"endHours":17.037088012365803,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.037088012365803,"endHours":18.037088012365803,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.037088012365803,"endHours":19.037088012365803,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.037088012365803,"endHours":20.037088012365803,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.037088012365803,"endHours":21.037088012365803,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.037088012365803,"endHours":22.037088012365803,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.037088012365803,"endHours":23.037088012365803,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.037088012365803,"endHours":24.037088012365803,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.037088012365803,"endHours":25.037088012365803,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.037088012365803,"endHours":26.037088012365803,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.037088012365803,"endHours":27.037088012365803,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.037088012365803,"endHours":28.037088012365803,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.037088012365803,"endHours":29.037088012365803,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.037088012365803,"endHours":30.037088012365803,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.037088012365803,"endHours":31.037088012365803,"planetary_lord":"Saturn"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","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":-22.975354016289387,"eotMinutes":5.988082684532823,"ayanamsa":24.1176}},"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 Caturthī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 11, 2018 CE · Thane, Maharashtra · Vidhyamitra","description":"December 11, 2018 CE for Thane, Maharashtra: Śukla Caturthī, sūryodaya 07:02, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2018-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2018-12-11","sa":"https://sa.vidhyamitra.com/city/thane/2018-12-11","hi":"https://hi.vidhyamitra.com/city/thane/2018-12-11","x-default":"https://vidhyamitra.com/city/thane/2018-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:12:18.178Z","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":"2026-05-15T06:12:18.178Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:12:18.178Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}