{"id":"vidhyamitra:city-day:rishikesh:1985-12-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1985-12-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-12-05","date_display":"December 5, 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":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446404.770833,"kali_year":5087,"ahargana":1857939.2708,"sun":{"sidereal_longitude":228.7558,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":138.1077,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.3518,"elapsed_within_tithi_degrees":5.3518},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.1077,"elapsed_within_degrees":4.7743},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.8635},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":1985,"month":12,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446404.770833,"ahargana":1857939.2708,"kali_year":5087,"ayanamsa_lahiri":23.6564,"grahas":{"sun":{"sidereal_longitude":229.19040500000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":135.113205,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.8695},"mars":{"sidereal_longitude":180.46040500000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":216.34400500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":290.20170499999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":218.44250499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":218.09670500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":17.4364,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":197.4364,"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":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446404.770833,"kali_year":5087,"ahargana":1857939.2708,"sun":{"sidereal_longitude":228.7558,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":138.1077,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":269.3518,"elapsed_within_tithi_degrees":5.3518},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":138.1077,"elapsed_within_degrees":4.7743},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.8635},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.869,"elongation":90.648},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.869,"opposition_distance":89.352}},"eclipse_window_40days":[]},"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"rishikesh","name":"Ṛṣikeśa","lat":30.0869,"lon":78.2676,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha"},"sunriseLocal":"06:59","sunsetLocal":"17:18","solarNoonLocal":"12:08","dayLengthHours":10.306385824010896,"dayLengthDisplay":"10 Hours 18 Mins 23 Secs","nightLengthDisplay":"13 Hours 41 Mins 37 Secs","moonriseLocal":"23:30","moonsetLocal":"12:14","rahuKala":{"name":"Rāhu Kāla","start":"13:26","end":"14:43","startHours":13.427868505667298,"endHours":14.716166733668661,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:59","end":"08:16","startHours":6.986377365660489,"endHours":8.27467559366185,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:34","end":"10:51","startHours":9.562973821663213,"endHours":10.851272049664574,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.391200724596365,"endHours":9.73474691873006,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:41","startHours":7.41581010832761,"endHours":7.690647063634567,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:29","startHours":11.79602408353224,"endHours":12.483116471799631,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:18","startHours":5.612192589125702,"endHours":6.2992849773930955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"06:59","startHours":6.127511880326248,"endHours":6.986377365660489,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:33","startHours":13.85730124833442,"endHours":14.544393636601813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:06","end":"17:30","startHours":17.092763189671384,"endHours":17.492763189671383,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:18","end":"17:43","startHours":17.292763189671383,"endHours":17.722195932338504,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:03","end":"18:48","startHours":17.042763189671383,"endHours":18.792763189671383,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:29","startHours":23.796024083532238,"endHours":24.483116471799633,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:59","end":"08:16","startHours":6.986377365660489,"endHours":8.27467559366185,"quality":"auspicious"},{"name":"Roga","start":"08:16","end":"09:34","startHours":8.27467559366185,"endHours":9.562973821663213,"quality":"inauspicious"},{"name":"Udveg","start":"09:34","end":"10:51","startHours":9.562973821663213,"endHours":10.851272049664574,"quality":"inauspicious"},{"name":"Chala","start":"10:51","end":"12:08","startHours":10.851272049664574,"endHours":12.139570277665936,"quality":"neutral"},{"name":"Labha","start":"12:08","end":"13:26","startHours":12.139570277665936,"endHours":13.427868505667298,"quality":"auspicious"},{"name":"Amṛta","start":"13:26","end":"14:43","startHours":13.427868505667298,"endHours":14.716166733668661,"quality":"auspicious"},{"name":"Kāla","start":"14:43","end":"16:00","startHours":14.716166733668661,"endHours":16.00446496167002,"quality":"inauspicious"},{"name":"Śubha","start":"16:00","end":"17:18","startHours":16.00446496167002,"endHours":17.292763189671383,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:18","end":"19:00","startHours":17.292763189671383,"endHours":19.00446496167002,"quality":"auspicious"},{"name":"Kāla","start":"19:00","end":"20:43","startHours":19.00446496167002,"endHours":20.716166733668658,"quality":"inauspicious"},{"name":"Śubha","start":"20:43","end":"22:26","startHours":20.716166733668658,"endHours":22.4278685056673,"quality":"auspicious"},{"name":"Roga","start":"22:26","end":"00:08","startHours":22.4278685056673,"endHours":24.139570277665936,"quality":"inauspicious"},{"name":"Udveg","start":"00:08","end":"01:51","startHours":24.139570277665936,"endHours":25.851272049664573,"quality":"inauspicious"},{"name":"Chala","start":"01:51","end":"03:34","startHours":25.851272049664573,"endHours":27.562973821663213,"quality":"neutral"},{"name":"Labha","start":"03:34","end":"05:16","startHours":27.562973821663213,"endHours":29.27467559366185,"quality":"auspicious"},{"name":"Amṛta","start":"05:16","end":"06:59","startHours":29.27467559366185,"endHours":30.986377365660488,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.986377365660489,"endHours":7.986377365660489,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.986377365660489,"endHours":8.986377365660488,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.986377365660488,"endHours":9.986377365660488,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.986377365660488,"endHours":10.986377365660488,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.986377365660488,"endHours":11.986377365660488,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.986377365660488,"endHours":12.986377365660488,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.986377365660488,"endHours":13.986377365660488,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.986377365660488,"endHours":14.986377365660488,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.986377365660488,"endHours":15.986377365660488,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.986377365660488,"endHours":16.986377365660488,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.986377365660488,"endHours":17.986377365660488,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.986377365660488,"endHours":18.986377365660488,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.986377365660488,"endHours":19.986377365660488,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.986377365660488,"endHours":20.986377365660488,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.986377365660488,"endHours":21.986377365660488,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.986377365660488,"endHours":22.986377365660488,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.986377365660488,"endHours":23.986377365660488,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.986377365660488,"endHours":24.986377365660488,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.986377365660488,"endHours":25.986377365660488,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.986377365660488,"endHours":26.986377365660488,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.986377365660488,"endHours":27.986377365660488,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.986377365660488,"endHours":28.986377365660488,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.986377365660488,"endHours":29.986377365660488,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.986377365660488,"endHours":30.986377365660488,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","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":-22.336232550762166,"eotMinutes":8.555383340043877,"ayanamsa":23.6564}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Aṣṭamī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"rishikesh"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 5, 1985 CE · Ṛṣikeśa · Vidhyamitra","description":"December 5, 1985 CE for Ṛṣikeśa: Kṛṣṇa Aṣṭamī, sūryodaya 06:59, sūryāsta 17:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1985-12-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1985-12-05","sa":"https://sa.vidhyamitra.com/city/rishikesh/1985-12-05","hi":"https://hi.vidhyamitra.com/city/rishikesh/1985-12-05","x-default":"https://vidhyamitra.com/city/rishikesh/1985-12-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T02:20:23.117Z","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":"2026-05-18T02:20:23.117Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T02:20:23.117Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}