{"id":"vidhyamitra:city-day:thane:1983-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1983-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-12-17","date_display":"December 17, 1983 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":1983,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445685.770833,"kali_year":5085,"ahargana":1857220.2708,"sun":{"sidereal_longitude":240.5583,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":21.9027,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3444,"elapsed_within_tithi_degrees":9.3444},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":21.9027,"elapsed_within_degrees":8.5694},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.461},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1983,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445685.770833,"ahargana":1857220.2708,"kali_year":5085,"ayanamsa_lahiri":23.6289,"grahas":{"sun":{"sidereal_longitude":240.89127600000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":22.188675999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":-2.4904},"mars":{"sidereal_longitude":173.03937599999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":261.406976,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":239.80077600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":198.66577600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":198.56567599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":55.5325,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":235.5325,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"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":1983,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445685.770833,"kali_year":5085,"ahargana":1857220.2708,"sun":{"sidereal_longitude":240.5583,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":21.9027,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3444,"elapsed_within_tithi_degrees":9.3444},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":21.9027,"elapsed_within_degrees":8.5694},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.461},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.49,"elongation":141.344},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.49,"opposition_distance":38.656}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.497,"opposition_distance":1.914}]},"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":"07:06","sunsetLocal":"18:04","solarNoonLocal":"12:35","dayLengthHours":10.976858873000182,"dayLengthDisplay":"10 Hours 58 Mins 37 Secs","nightLengthDisplay":"13 Hours 01 Mins 23 Secs","moonriseLocal":"15:34","moonsetLocal":"04:26","rahuKala":{"name":"Rāhu Kāla","start":"09:50","end":"11:13","startHours":9.836355800464816,"endHours":11.208463159589837,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:57","end":"15:19","startHours":13.952677877839882,"endHours":15.324785236964907,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:06","end":"08:28","startHours":7.092141082214769,"endHours":8.464248441339791,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:01","startHours":9.653408152581479,"endHours":10.01930344834815,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.54951020192311,"endHours":7.842226438536448,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"12:57","startHours":12.214675222948188,"endHours":12.946465814481535,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:22","startHours":5.628559899148078,"endHours":6.360350490681424,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:06","startHours":6.177402842798087,"endHours":7.092141082214769,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:09","startHours":14.410046997548225,"endHours":15.14183758908157,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.868999955214953,"endHours":18.26899995521495,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:32","startHours":18.068999955214952,"endHours":18.526369074923295,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.818999955214952,"endHours":19.568999955214952,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"00:57","startHours":24.214675222948188,"endHours":24.946465814481535,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:06","end":"08:28","startHours":7.092141082214769,"endHours":8.464248441339791,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:50","startHours":8.464248441339791,"endHours":9.836355800464816,"quality":"auspicious"},{"name":"Roga","start":"09:50","end":"11:13","startHours":9.836355800464816,"endHours":11.208463159589837,"quality":"inauspicious"},{"name":"Udveg","start":"11:13","end":"12:35","startHours":11.208463159589837,"endHours":12.580570518714861,"quality":"inauspicious"},{"name":"Chala","start":"12:35","end":"13:57","startHours":12.580570518714861,"endHours":13.952677877839882,"quality":"neutral"},{"name":"Labha","start":"13:57","end":"15:19","startHours":13.952677877839882,"endHours":15.324785236964907,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:42","startHours":15.324785236964907,"endHours":16.696892596089928,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:04","startHours":16.696892596089928,"endHours":18.068999955214952,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:04","end":"19:42","startHours":18.068999955214952,"endHours":19.69689259608993,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:19","startHours":19.69689259608993,"endHours":21.324785236964907,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:57","startHours":21.324785236964907,"endHours":22.952677877839882,"quality":"inauspicious"},{"name":"Śubha","start":"22:57","end":"00:35","startHours":22.952677877839882,"endHours":24.58057051871486,"quality":"auspicious"},{"name":"Roga","start":"00:35","end":"02:13","startHours":24.58057051871486,"endHours":26.20846315958984,"quality":"inauspicious"},{"name":"Udveg","start":"02:13","end":"03:50","startHours":26.20846315958984,"endHours":27.836355800464816,"quality":"inauspicious"},{"name":"Chala","start":"03:50","end":"05:28","startHours":27.836355800464816,"endHours":29.46424844133979,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:06","startHours":29.46424844133979,"endHours":31.09214108221477,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.092141082214769,"endHours":8.09214108221477,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.09214108221477,"endHours":9.09214108221477,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.09214108221477,"endHours":10.09214108221477,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.09214108221477,"endHours":11.09214108221477,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.09214108221477,"endHours":12.09214108221477,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.09214108221477,"endHours":13.09214108221477,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.09214108221477,"endHours":14.09214108221477,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.09214108221477,"endHours":15.09214108221477,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.09214108221477,"endHours":16.09214108221477,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09214108221477,"endHours":17.09214108221477,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09214108221477,"endHours":18.09214108221477,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09214108221477,"endHours":19.09214108221477,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09214108221477,"endHours":20.09214108221477,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09214108221477,"endHours":21.09214108221477,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09214108221477,"endHours":22.09214108221477,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09214108221477,"endHours":23.09214108221477,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09214108221477,"endHours":24.09214108221477,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09214108221477,"endHours":25.09214108221477,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09214108221477,"endHours":26.09214108221477,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09214108221477,"endHours":27.09214108221477,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09214108221477,"endHours":28.09214108221477,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09214108221477,"endHours":29.09214108221477,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09214108221477,"endHours":30.09214108221477,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09214108221477,"endHours":31.09214108221477,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.32303870949449,"eotMinutes":3.253368877108411,"ayanamsa":23.6289}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvādaśī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[],"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":"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 17, 1983 CE · Thane, Maharashtra · Vidhyamitra","description":"December 17, 1983 CE for Thane, Maharashtra: Śukla Dvādaśī, sūryodaya 07:06, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1983-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1983-12-17","sa":"https://sa.vidhyamitra.com/city/thane/1983-12-17","hi":"https://hi.vidhyamitra.com/city/thane/1983-12-17","x-default":"https://vidhyamitra.com/city/thane/1983-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T14:23:25.682Z","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":"2026-06-02T14:23:25.682Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T14:23:25.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}