{"id":"vidhyamitra:city-day:rishikesh:1996-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1996-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1996-12-18","date_display":"December 18, 1996 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1996,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450435.770833,"kali_year":5098,"ahargana":1861970.2708,"sun":{"sidereal_longitude":242.2378,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":338.4549,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.2171,"elapsed_within_tithi_degrees":0.2171},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.4549,"elapsed_within_degrees":5.1215},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.6927},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1996,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450435.770833,"ahargana":1861970.2708,"kali_year":5098,"ayanamsa_lahiri":23.8106,"grahas":{"sun":{"sidereal_longitude":242.587491,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":340.811291,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":0.423},"mars":{"sidereal_longitude":150.19829099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":262.963291,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":268.24749099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":217.24389100000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":336.972191,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":163.8546,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":343.8546,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1996,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450435.770833,"kali_year":5098,"ahargana":1861970.2708,"sun":{"sidereal_longitude":242.2378,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":338.4549,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.2171,"elapsed_within_tithi_degrees":0.2171},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2,"moon_longitude":338.4549,"elapsed_within_degrees":5.1215},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.6927},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.423,"elongation":96.217},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.423,"opposition_distance":83.783}},"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":"07:08","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.209302789558981,"dayLengthDisplay":"10 Hours 12 Mins 33 Secs","nightLengthDisplay":"13 Hours 47 Mins 27 Secs","moonriseLocal":"12:40","moonsetLocal":"00:54","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:31","startHours":12.235697877530978,"endHours":13.511860726225851,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:24","end":"09:41","startHours":8.40720933144636,"endHours":9.683372180141234,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:58","end":"12:14","startHours":10.959535028836106,"endHours":12.235697877530978,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:51","startHours":9.513217133648585,"endHours":9.853527226633883,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.556434098983113,"endHours":7.8286821733713525,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:35","startHours":11.89538778454568,"endHours":12.57600797051628,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:27","startHours":5.769806110810291,"endHours":6.45042629678089,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:08","startHours":6.28027125028824,"endHours":7.131046482751488,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.937248342457476,"endHours":14.617868528428074,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.14034927231047,"endHours":17.54034927231047,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.34034927231047,"endHours":17.765736888542094,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.09034927231047,"endHours":18.84034927231047,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:35","startHours":23.895387784545683,"endHours":24.57600797051628,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:08","end":"08:24","startHours":7.131046482751488,"endHours":8.40720933144636,"quality":"auspicious"},{"name":"Amṛta","start":"08:24","end":"09:41","startHours":8.40720933144636,"endHours":9.683372180141234,"quality":"auspicious"},{"name":"Kāla","start":"09:41","end":"10:58","startHours":9.683372180141234,"endHours":10.959535028836106,"quality":"inauspicious"},{"name":"Śubha","start":"10:58","end":"12:14","startHours":10.959535028836106,"endHours":12.235697877530978,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:31","startHours":12.235697877530978,"endHours":13.511860726225851,"quality":"inauspicious"},{"name":"Udveg","start":"13:31","end":"14:47","startHours":13.511860726225851,"endHours":14.788023574920723,"quality":"inauspicious"},{"name":"Chala","start":"14:47","end":"16:04","startHours":14.788023574920723,"endHours":16.064186423615595,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:20","startHours":16.064186423615595,"endHours":17.34034927231047,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:20","end":"19:04","startHours":17.34034927231047,"endHours":19.064186423615595,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:47","startHours":19.064186423615595,"endHours":20.788023574920725,"quality":"neutral"},{"name":"Labha","start":"20:47","end":"22:31","startHours":20.788023574920725,"endHours":22.51186072622585,"quality":"auspicious"},{"name":"Amṛta","start":"22:31","end":"00:14","startHours":22.51186072622585,"endHours":24.235697877530978,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:58","startHours":24.235697877530978,"endHours":25.959535028836108,"quality":"inauspicious"},{"name":"Śubha","start":"01:58","end":"03:41","startHours":25.959535028836108,"endHours":27.683372180141234,"quality":"auspicious"},{"name":"Roga","start":"03:41","end":"05:24","startHours":27.683372180141234,"endHours":29.40720933144636,"quality":"inauspicious"},{"name":"Udveg","start":"05:24","end":"07:08","startHours":29.40720933144636,"endHours":31.131046482751486,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.131046482751488,"endHours":8.131046482751488,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.131046482751488,"endHours":9.131046482751488,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.131046482751488,"endHours":10.131046482751488,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.131046482751488,"endHours":11.131046482751488,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.131046482751488,"endHours":12.131046482751488,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.131046482751488,"endHours":13.131046482751488,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.131046482751488,"endHours":14.131046482751488,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.131046482751488,"endHours":15.131046482751488,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.131046482751488,"endHours":16.131046482751486,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.131046482751486,"endHours":17.131046482751486,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.131046482751486,"endHours":18.131046482751486,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.131046482751486,"endHours":19.131046482751486,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.131046482751486,"endHours":20.131046482751486,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.131046482751486,"endHours":21.131046482751486,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.131046482751486,"endHours":22.131046482751486,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.131046482751486,"endHours":23.131046482751486,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.131046482751486,"endHours":24.131046482751486,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.131046482751486,"endHours":25.131046482751486,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.131046482751486,"endHours":26.131046482751486,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.131046482751486,"endHours":27.131046482751486,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.131046482751486,"endHours":28.131046482751486,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.131046482751486,"endHours":29.131046482751486,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.131046482751486,"endHours":30.131046482751486,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.131046482751486,"endHours":31.131046482751486,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.387446097422266,"eotMinutes":2.787727348141232,"ayanamsa":23.8106}},"calendars":{"vikram_samvat":2053,"vikram_samvatsara":"Virodhi","saka_samvat":1918,"saka_samvatsara":"Dhātṛ","bengali_samvat":1403,"malayalam_era":1172,"nanakshahi_year":527,"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 Navamī · Vikram 2053 Virodhi · Śaka 1918 Dhātṛ"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 18, 1996 CE · Ṛṣikeśa · Vidhyamitra","description":"December 18, 1996 CE for Ṛṣikeśa: Śukla Navamī, sūryodaya 07:08, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1996-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1996-12-18","sa":"https://sa.vidhyamitra.com/city/rishikesh/1996-12-18","hi":"https://hi.vidhyamitra.com/city/rishikesh/1996-12-18","x-default":"https://vidhyamitra.com/city/rishikesh/1996-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-09T15:33:52.068Z","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":"2026-08-09T15:33:52.068Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-09T15:33:52.068Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}