{"id":"vidhyamitra:city-day:rishikesh:1963-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1963-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-08-17","date_display":"August 17, 1963 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":1963,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438258.770833,"kali_year":5065,"ahargana":1849793.2708,"sun":{"sidereal_longitude":119.5553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":92.6155,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.0602,"elapsed_within_tithi_degrees":9.0602},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.6155,"elapsed_within_degrees":12.6155},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.1709},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1963,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438258.770833,"ahargana":1849793.2708,"kali_year":5065,"ayanamsa_lahiri":23.3449,"grahas":{"sun":{"sidereal_longitude":120.08924200000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":92.05724199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":0.2795},"mars":{"sidereal_longitude":170.08464200000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":146.859242,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":356.725142,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":117.053042,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":296.84354200000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":89.0507,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":269.0507,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"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":1963,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438258.770833,"kali_year":5065,"ahargana":1849793.2708,"sun":{"sidereal_longitude":119.5553,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":92.6155,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.0602,"elapsed_within_tithi_degrees":9.0602},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":92.6155,"elapsed_within_degrees":12.6155},"yoga":{"number":16,"name":"Siddhi","sum_longitude":212.1709},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.28,"elongation":26.94},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.28,"opposition_distance":153.06}},"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":"05:44","sunsetLocal":"18:57","solarNoonLocal":"12:21","dayLengthHours":13.216751002251359,"dayLengthDisplay":"13 Hours 13 Mins 00 Secs","nightLengthDisplay":"10 Hours 47 Mins 00 Secs","moonriseLocal":"03:34","moonsetLocal":"17:23","rahuKala":{"name":"Rāhu Kāla","start":"09:02","end":"10:42","startHours":9.04053194200579,"endHours":10.692625817287212,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:00","end":"15:39","startHours":13.996813567850051,"endHours":15.64890744313147,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:44","end":"07:23","startHours":5.736344191442951,"endHours":7.388438066724371,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.820252758634934,"endHours":9.260811125376646,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:38","startHours":6.287042149870091,"endHours":6.639488843263461,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:47","startHours":11.90416132582692,"endHours":12.785278059310343,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:51","startHours":3.9741107244761036,"endHours":4.855227457959527,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:44","startHours":4.634948274588671,"endHours":5.736344191442951,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:26","startHours":14.54751152627719,"endHours":15.428628259760615,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75309519369431,"endHours":19.15309519369431,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:30","startHours":18.95309519369431,"endHours":19.50379315212145,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.70309519369431,"endHours":20.45309519369431,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:47","startHours":23.90416132582692,"endHours":24.785278059310343,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:44","end":"07:23","startHours":5.736344191442951,"endHours":7.388438066724371,"quality":"inauspicious"},{"name":"Śubha","start":"07:23","end":"09:02","startHours":7.388438066724371,"endHours":9.04053194200579,"quality":"auspicious"},{"name":"Roga","start":"09:02","end":"10:42","startHours":9.04053194200579,"endHours":10.692625817287212,"quality":"inauspicious"},{"name":"Udveg","start":"10:42","end":"12:21","startHours":10.692625817287212,"endHours":12.344719692568631,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"14:00","startHours":12.344719692568631,"endHours":13.996813567850051,"quality":"neutral"},{"name":"Labha","start":"14:00","end":"15:39","startHours":13.996813567850051,"endHours":15.64890744313147,"quality":"auspicious"},{"name":"Amṛta","start":"15:39","end":"17:18","startHours":15.64890744313147,"endHours":17.30100131841289,"quality":"auspicious"},{"name":"Kāla","start":"17:18","end":"18:57","startHours":17.30100131841289,"endHours":18.95309519369431,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:18","startHours":18.95309519369431,"endHours":20.30100131841289,"quality":"auspicious"},{"name":"Amṛta","start":"20:18","end":"21:39","startHours":20.30100131841289,"endHours":21.64890744313147,"quality":"auspicious"},{"name":"Kāla","start":"21:39","end":"23:00","startHours":21.64890744313147,"endHours":22.99681356785005,"quality":"inauspicious"},{"name":"Śubha","start":"23:00","end":"00:21","startHours":22.99681356785005,"endHours":24.34471969256863,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:42","startHours":24.34471969256863,"endHours":25.69262581728721,"quality":"inauspicious"},{"name":"Udveg","start":"01:42","end":"03:02","startHours":25.69262581728721,"endHours":27.040531942005792,"quality":"inauspicious"},{"name":"Chala","start":"03:02","end":"04:23","startHours":27.040531942005792,"endHours":28.38843806672437,"quality":"neutral"},{"name":"Labha","start":"04:23","end":"05:44","startHours":28.38843806672437,"endHours":29.736344191442953,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.736344191442951,"endHours":6.736344191442951,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.736344191442951,"endHours":7.736344191442951,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.736344191442951,"endHours":8.736344191442951,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.736344191442951,"endHours":9.736344191442951,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.736344191442951,"endHours":10.736344191442951,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.736344191442951,"endHours":11.736344191442951,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.736344191442951,"endHours":12.736344191442951,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.736344191442951,"endHours":13.736344191442951,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.736344191442951,"endHours":14.736344191442951,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.736344191442951,"endHours":15.736344191442951,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.736344191442951,"endHours":16.736344191442953,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.736344191442953,"endHours":17.736344191442953,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.736344191442953,"endHours":18.736344191442953,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.736344191442953,"endHours":19.736344191442953,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.736344191442953,"endHours":20.736344191442953,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.736344191442953,"endHours":21.736344191442953,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.736344191442953,"endHours":22.736344191442953,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.736344191442953,"endHours":23.736344191442953,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.736344191442953,"endHours":24.736344191442953,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.736344191442953,"endHours":25.736344191442953,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.736344191442953,"endHours":26.736344191442953,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.736344191442953,"endHours":27.736344191442953,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.736344191442953,"endHours":28.736344191442953,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.736344191442953,"endHours":29.736344191442953,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":13.706459298406665,"eotMinutes":-3.7535815541179196,"ayanamsa":23.3449}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 August 17, 1963 CE · Ṛṣikeśa · Vidhyamitra","description":"August 17, 1963 CE for Ṛṣikeśa: Kṛṣṇa Trayodaśī, sūryodaya 05:44, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1963-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1963-08-17","sa":"https://sa.vidhyamitra.com/city/rishikesh/1963-08-17","hi":"https://hi.vidhyamitra.com/city/rishikesh/1963-08-17","x-default":"https://vidhyamitra.com/city/rishikesh/1963-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T15:17:15.199Z","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":"2026-05-20T15:17:15.199Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T15:17:15.199Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}