{"id":"vidhyamitra:city-day:ayodhya:1985-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1985-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-12-17","date_display":"December 17, 1985 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":1985,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446416.770833,"kali_year":5087,"ahargana":1857951.2708,"sun":{"sidereal_longitude":241.0535,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":305.3482,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.2947,"elapsed_within_tithi_degrees":4.2947},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.3482,"elapsed_within_degrees":12.0148},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.4017},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":1985,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446416.770833,"ahargana":1857951.2708,"kali_year":5087,"ayanamsa_lahiri":23.6569,"grahas":{"sun":{"sidereal_longitude":241.387246,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":307.5853460000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-4.2658},"mars":{"sidereal_longitude":187.87754599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":220.117846,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":292.396346,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":233.53904599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":219.486446,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":16.8006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":196.8006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":1985,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446416.770833,"kali_year":5087,"ahargana":1857951.2708,"sun":{"sidereal_longitude":241.0535,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":305.3482,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.2947,"elapsed_within_tithi_degrees":4.2947},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.3482,"elapsed_within_degrees":12.0148},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.4017},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.266,"elongation":64.295},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.266,"opposition_distance":115.705}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:44","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.45976021883883,"dayLengthDisplay":"10 Hours 27 Mins 35 Secs","nightLengthDisplay":"13 Hours 32 Mins 25 Secs","moonriseLocal":"10:43","moonsetLocal":"22:03","rahuKala":{"name":"Rāhu Kāla","start":"14:35","end":"15:53","startHours":14.580450573424567,"endHours":15.887920600779424,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:21","end":"10:39","startHours":9.350570464005152,"endHours":10.658040491360007,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.272980546069714,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:31","startHours":9.176241127024506,"endHours":9.5248998009858,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.171453751747063,"endHours":7.450380690916099,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.616851844753567,"endHours":12.314169192676156,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:02","startHours":5.340995713450267,"endHours":6.038313061372857,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:44","startHours":5.8639837243922095,"endHours":6.735630409295445,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:24","startHours":13.70880388852133,"endHours":14.40612123644392,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.995390628134277,"endHours":17.395390628134276,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.195390628134277,"endHours":17.631213970585893,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.945390628134277,"endHours":18.695390628134277,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.616851844753565,"endHours":24.314169192676157,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:44","end":"08:03","startHours":6.735630409295445,"endHours":8.043100436650299,"quality":"inauspicious"},{"name":"Udveg","start":"08:03","end":"09:21","startHours":8.043100436650299,"endHours":9.350570464005152,"quality":"inauspicious"},{"name":"Chala","start":"09:21","end":"10:39","startHours":9.350570464005152,"endHours":10.658040491360007,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"11:58","startHours":10.658040491360007,"endHours":11.965510518714861,"quality":"auspicious"},{"name":"Amṛta","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.272980546069714,"quality":"auspicious"},{"name":"Kāla","start":"13:16","end":"14:35","startHours":13.272980546069714,"endHours":14.580450573424567,"quality":"inauspicious"},{"name":"Śubha","start":"14:35","end":"15:53","startHours":14.580450573424567,"endHours":15.887920600779424,"quality":"auspicious"},{"name":"Roga","start":"15:53","end":"17:12","startHours":15.887920600779424,"endHours":17.195390628134277,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:12","end":"18:53","startHours":17.195390628134277,"endHours":18.887920600779424,"quality":"inauspicious"},{"name":"Śubha","start":"18:53","end":"20:35","startHours":18.887920600779424,"endHours":20.58045057342457,"quality":"auspicious"},{"name":"Roga","start":"20:35","end":"22:16","startHours":20.58045057342457,"endHours":22.272980546069714,"quality":"inauspicious"},{"name":"Udveg","start":"22:16","end":"23:58","startHours":22.272980546069714,"endHours":23.96551051871486,"quality":"inauspicious"},{"name":"Chala","start":"23:58","end":"01:39","startHours":23.96551051871486,"endHours":25.65804049136001,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"03:21","startHours":25.65804049136001,"endHours":27.350570464005152,"quality":"auspicious"},{"name":"Amṛta","start":"03:21","end":"05:03","startHours":27.350570464005152,"endHours":29.0431004366503,"quality":"auspicious"},{"name":"Kāla","start":"05:03","end":"06:44","startHours":29.0431004366503,"endHours":30.735630409295446,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.735630409295445,"endHours":7.735630409295445,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.735630409295445,"endHours":8.735630409295446,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.735630409295446,"endHours":9.735630409295446,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.735630409295446,"endHours":10.735630409295446,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.735630409295446,"endHours":11.735630409295446,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.735630409295446,"endHours":12.735630409295446,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.735630409295446,"endHours":13.735630409295446,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.735630409295446,"endHours":14.735630409295446,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.735630409295446,"endHours":15.735630409295446,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.735630409295446,"endHours":16.735630409295446,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.735630409295446,"endHours":17.735630409295446,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.735630409295446,"endHours":18.735630409295446,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.735630409295446,"endHours":19.735630409295446,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.735630409295446,"endHours":20.735630409295446,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.735630409295446,"endHours":21.735630409295446,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.735630409295446,"endHours":22.735630409295446,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.735630409295446,"endHours":23.735630409295446,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.735630409295446,"endHours":24.735630409295446,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.735630409295446,"endHours":25.735630409295446,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.735630409295446,"endHours":26.735630409295446,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.735630409295446,"endHours":27.735630409295446,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.735630409295446,"endHours":28.735630409295446,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.735630409295446,"endHours":29.735630409295446,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.735630409295446,"endHours":30.735630409295446,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.34367913759364,"eotMinutes":3.253368877108411,"ayanamsa":23.6569}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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":"ayodhya"},"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, 1985 CE · Ayodhyā · Vidhyamitra","description":"December 17, 1985 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 06:44, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1985-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1985-12-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/1985-12-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/1985-12-17","x-default":"https://vidhyamitra.com/city/ayodhya/1985-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T13:52:28.325Z","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":"2026-05-18T13:52:28.325Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T13:52:28.325Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}