{"id":"vidhyamitra:city-day:rishikesh:1963-10-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1963-10-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-10-31","date_display":"October 31, 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":10,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438333.770833,"kali_year":5065,"ahargana":1849868.2708,"sun":{"sidereal_longitude":192.9473,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":351.7279,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7806,"elapsed_within_tithi_degrees":2.7806},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.7279,"elapsed_within_degrees":5.0612},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":184.6752},"karana":{"half_tithi_index":26,"name":"Gara"},"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":1963,"month":10,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438333.770833,"ahargana":1849868.2708,"kali_year":5065,"ayanamsa_lahiri":23.3477,"grahas":{"sun":{"sidereal_longitude":193.548676,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":351.662176,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-4.4923},"mars":{"sidereal_longitude":220.992076,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":190.768776,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":348.919076,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":210.299076,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":293.87147600000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":85.0768,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":265.0768,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1963,"month":10,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438333.770833,"kali_year":5065,"ahargana":1849868.2708,"sun":{"sidereal_longitude":192.9473,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":351.7279,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":158.7806,"elapsed_within_tithi_degrees":2.7806},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.7279,"elapsed_within_degrees":5.0612},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":184.6752},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.492,"elongation":158.781},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.492,"opposition_distance":21.219}},"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":"06:29","sunsetLocal":"17:32","solarNoonLocal":"12:00","dayLengthHours":11.041290189382579,"dayLengthDisplay":"11 Hours 02 Mins 29 Secs","nightLengthDisplay":"12 Hours 57 Mins 31 Secs","moonriseLocal":"16:16","moonsetLocal":"04:49","rahuKala":{"name":"Rāhu Kāla","start":"13:23","end":"14:46","startHours":13.388108281164019,"endHours":14.768269554836841,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:29","end":"07:52","startHours":6.487301912799907,"endHours":7.86746318647273,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:15","end":"10:38","startHours":9.247624460145552,"endHours":10.627785733818374,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:26","startHours":9.063602956989175,"endHours":9.431645963301929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:57","end":"07:15","startHours":6.947355670690848,"endHours":7.24179007574105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:23","startHours":11.639904001178444,"endHours":12.37599001380395,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:45","startHours":5.0151298875488965,"endHours":5.751215900174402,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:34","end":"06:29","startHours":5.567194397018025,"endHours":6.487301912799907,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:35","startHours":13.848162039054959,"endHours":14.584248051680463,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.328592102182487,"endHours":17.728592102182485,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:59","startHours":17.528592102182486,"endHours":17.988645860073426,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.278592102182486,"endHours":19.028592102182486,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:23","startHours":23.639904001178444,"endHours":24.37599001380395,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:29","end":"07:52","startHours":6.487301912799907,"endHours":7.86746318647273,"quality":"auspicious"},{"name":"Roga","start":"07:52","end":"09:15","startHours":7.86746318647273,"endHours":9.247624460145552,"quality":"inauspicious"},{"name":"Udveg","start":"09:15","end":"10:38","startHours":9.247624460145552,"endHours":10.627785733818374,"quality":"inauspicious"},{"name":"Chala","start":"10:38","end":"12:00","startHours":10.627785733818374,"endHours":12.007947007491197,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:23","startHours":12.007947007491197,"endHours":13.388108281164019,"quality":"auspicious"},{"name":"Amṛta","start":"13:23","end":"14:46","startHours":13.388108281164019,"endHours":14.768269554836841,"quality":"auspicious"},{"name":"Kāla","start":"14:46","end":"16:09","startHours":14.768269554836841,"endHours":16.148430828509664,"quality":"inauspicious"},{"name":"Śubha","start":"16:09","end":"17:32","startHours":16.148430828509664,"endHours":17.528592102182486,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:32","end":"19:09","startHours":17.528592102182486,"endHours":19.148430828509664,"quality":"auspicious"},{"name":"Kāla","start":"19:09","end":"20:46","startHours":19.148430828509664,"endHours":20.76826955483684,"quality":"inauspicious"},{"name":"Śubha","start":"20:46","end":"22:23","startHours":20.76826955483684,"endHours":22.38810828116402,"quality":"auspicious"},{"name":"Roga","start":"22:23","end":"00:00","startHours":22.38810828116402,"endHours":24.007947007491197,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:38","startHours":24.007947007491197,"endHours":25.627785733818374,"quality":"inauspicious"},{"name":"Chala","start":"01:38","end":"03:15","startHours":25.627785733818374,"endHours":27.247624460145552,"quality":"neutral"},{"name":"Labha","start":"03:15","end":"04:52","startHours":27.247624460145552,"endHours":28.86746318647273,"quality":"auspicious"},{"name":"Amṛta","start":"04:52","end":"06:29","startHours":28.86746318647273,"endHours":30.487301912799907,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.487301912799907,"endHours":7.487301912799907,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.487301912799907,"endHours":8.487301912799907,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.487301912799907,"endHours":9.487301912799907,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.487301912799907,"endHours":10.487301912799907,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.487301912799907,"endHours":11.487301912799907,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.487301912799907,"endHours":12.487301912799907,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.487301912799907,"endHours":13.487301912799907,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.487301912799907,"endHours":14.487301912799907,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.487301912799907,"endHours":15.487301912799907,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.487301912799907,"endHours":16.487301912799907,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.487301912799907,"endHours":17.487301912799907,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.487301912799907,"endHours":18.487301912799907,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.487301912799907,"endHours":19.487301912799907,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.487301912799907,"endHours":20.487301912799907,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.487301912799907,"endHours":21.487301912799907,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.487301912799907,"endHours":22.487301912799907,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.487301912799907,"endHours":23.487301912799907,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.487301912799907,"endHours":24.487301912799907,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.487301912799907,"endHours":25.487301912799907,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.487301912799907,"endHours":26.487301912799907,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.487301912799907,"endHours":27.487301912799907,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.487301912799907,"endHours":28.487301912799907,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.487301912799907,"endHours":29.487301912799907,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.487301912799907,"endHours":30.487301912799907,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.814929441829085,"eotMinutes":16.45277955052819,"ayanamsa":23.3477}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Caturdaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"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":[]},"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 October 31, 1963 CE · Ṛṣikeśa · Vidhyamitra","description":"October 31, 1963 CE for Ṛṣikeśa: Śukla Caturdaśī, sūryodaya 06:29, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1963-10-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1963-10-31","sa":"https://sa.vidhyamitra.com/city/rishikesh/1963-10-31","hi":"https://hi.vidhyamitra.com/city/rishikesh/1963-10-31","x-default":"https://vidhyamitra.com/city/rishikesh/1963-10-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T21:42:23.997Z","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":"2026-05-19T21:42:23.997Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T21:42:23.997Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}