{"id":"vidhyamitra:city-day:thane:2018-12-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/2018-12-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-12-16","date_display":"December 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458468.770833,"kali_year":5120,"ahargana":1870003.2708,"sun":{"sidereal_longitude":239.4741,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":338.2937,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8196,"elapsed_within_tithi_degrees":2.8196},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.2937,"elapsed_within_degrees":4.9604},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.7678},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458468.770833,"ahargana":1870003.2708,"kali_year":5120,"ayanamsa_lahiri":24.1178,"grahas":{"sun":{"sidereal_longitude":239.89897100000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":335.868871,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.8987},"mars":{"sidereal_longitude":324.8850709999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":218.34637099999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":224.17117099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":194.69307100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":255.28717099999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":98.2276,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.2276,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458468.770833,"kali_year":5120,"ahargana":1870003.2708,"sun":{"sidereal_longitude":239.4741,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":338.2937,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":98.8196,"elapsed_within_tithi_degrees":2.8196},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.2937,"elapsed_within_degrees":4.9604},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":217.7678},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.899,"elongation":98.82},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.899,"opposition_distance":81.18}},"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":"07:05","sunsetLocal":"18:04","solarNoonLocal":"12:34","dayLengthHours":10.978048448655562,"dayLengthDisplay":"10 Hours 58 Mins 41 Secs","nightLengthDisplay":"13 Hours 01 Mins 19 Secs","moonriseLocal":"12:56","moonsetLocal":"01:01","rahuKala":{"name":"Rāhu Kāla","start":"16:41","end":"18:04","startHours":16.68961288779296,"endHours":18.061868943874906,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:34","end":"13:57","startHours":12.572844719547124,"endHours":13.94510077562907,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:41","startHours":15.317356831711015,"endHours":16.68961288779296,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.645365133238975,"endHours":10.011300081527494,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:50","startHours":7.541239180579993,"endHours":7.833987139210808,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:12","end":"12:56","startHours":12.206909771258605,"endHours":12.938779667835643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:21","startHours":5.620080702065269,"endHours":6.351950598642307,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:05","startHours":6.168983124498047,"endHours":7.083820495219344,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:24","end":"15:08","startHours":14.40251946098972,"endHours":15.134389357566757,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.861868943874907,"endHours":18.261868943874905,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:31","startHours":18.061868943874906,"endHours":18.519287629235553,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.811868943874906,"endHours":19.561868943874906,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:12","end":"00:56","startHours":24.206909771258605,"endHours":24.938779667835643,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:05","end":"08:27","startHours":7.083820495219344,"endHours":8.456076551301289,"quality":"inauspicious"},{"name":"Chala","start":"08:27","end":"09:50","startHours":8.456076551301289,"endHours":9.828332607383235,"quality":"neutral"},{"name":"Labha","start":"09:50","end":"11:12","startHours":9.828332607383235,"endHours":11.20058866346518,"quality":"auspicious"},{"name":"Amṛta","start":"11:12","end":"12:34","startHours":11.20058866346518,"endHours":12.572844719547124,"quality":"auspicious"},{"name":"Kāla","start":"12:34","end":"13:57","startHours":12.572844719547124,"endHours":13.94510077562907,"quality":"inauspicious"},{"name":"Śubha","start":"13:57","end":"15:19","startHours":13.94510077562907,"endHours":15.317356831711015,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:41","startHours":15.317356831711015,"endHours":16.68961288779296,"quality":"inauspicious"},{"name":"Udveg","start":"16:41","end":"18:04","startHours":16.68961288779296,"endHours":18.061868943874906,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:04","end":"19:41","startHours":18.061868943874906,"endHours":19.68961288779296,"quality":"auspicious"},{"name":"Roga","start":"19:41","end":"21:19","startHours":19.68961288779296,"endHours":21.317356831711017,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:57","startHours":21.317356831711017,"endHours":22.945100775629072,"quality":"inauspicious"},{"name":"Chala","start":"22:57","end":"00:34","startHours":22.945100775629072,"endHours":24.572844719547124,"quality":"neutral"},{"name":"Labha","start":"00:34","end":"02:12","startHours":24.572844719547124,"endHours":26.20058866346518,"quality":"auspicious"},{"name":"Amṛta","start":"02:12","end":"03:50","startHours":26.20058866346518,"endHours":27.828332607383235,"quality":"auspicious"},{"name":"Kāla","start":"03:50","end":"05:27","startHours":27.828332607383235,"endHours":29.456076551301287,"quality":"inauspicious"},{"name":"Śubha","start":"05:27","end":"07:05","startHours":29.456076551301287,"endHours":31.083820495219342,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.083820495219344,"endHours":8.083820495219344,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.083820495219344,"endHours":9.083820495219344,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.083820495219344,"endHours":10.083820495219344,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.083820495219344,"endHours":11.083820495219344,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.083820495219344,"endHours":12.083820495219344,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.083820495219344,"endHours":13.083820495219344,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.083820495219344,"endHours":14.083820495219344,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.083820495219344,"endHours":15.083820495219344,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.083820495219344,"endHours":16.083820495219342,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.083820495219342,"endHours":17.083820495219342,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.083820495219342,"endHours":18.083820495219342,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.083820495219342,"endHours":19.083820495219342,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.083820495219342,"endHours":20.083820495219342,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.083820495219342,"endHours":21.083820495219342,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.083820495219342,"endHours":22.083820495219342,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.083820495219342,"endHours":23.083820495219342,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.083820495219342,"endHours":24.083820495219342,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.083820495219342,"endHours":25.083820495219342,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.083820495219342,"endHours":26.083820495219342,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.083820495219342,"endHours":27.083820495219342,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.083820495219342,"endHours":28.083820495219342,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.083820495219342,"endHours":29.083820495219342,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.083820495219342,"endHours":30.083820495219342,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.083820495219342,"endHours":31.083820495219342,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","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":-23.30126581559173,"eotMinutes":3.716916827172506,"ayanamsa":24.1178}},"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 Navamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 16, 2018 CE · Thane, Maharashtra · Vidhyamitra","description":"December 16, 2018 CE for Thane, Maharashtra: Śukla Navamī, sūryodaya 07:05, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/2018-12-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/2018-12-16","sa":"https://sa.vidhyamitra.com/city/thane/2018-12-16","hi":"https://hi.vidhyamitra.com/city/thane/2018-12-16","x-default":"https://vidhyamitra.com/city/thane/2018-12-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:35:28.397Z","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":"2026-05-15T01:35:28.397Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:35:28.397Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}