{"id":"vidhyamitra:city-day:rishikesh:1964-07-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1964-07-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-07-11","date_display":"July 11, 1964 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":1964,"month":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438587.770833,"kali_year":5066,"ahargana":1850122.2708,"sun":{"sidereal_longitude":85.088,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":106.6983,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.6103,"elapsed_within_tithi_degrees":9.6103},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.6983,"elapsed_within_degrees":0.0316},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.7863},"karana":{"half_tithi_index":3,"name":"Kaulava"},"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":1964,"month":7,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438587.770833,"ahargana":1850122.2708,"kali_year":5066,"ayanamsa_lahiri":23.3574,"grahas":{"sun":{"sidereal_longitude":85.40937200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":107.08117200000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":2.5844},"mars":{"sidereal_longitude":53.70877200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":100.95897200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":27.177772000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":57.358472000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":311.85417199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":71.6187,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.6187,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1964,"month":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438587.770833,"kali_year":5066,"ahargana":1850122.2708,"sun":{"sidereal_longitude":85.088,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":106.6983,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":21.6103,"elapsed_within_tithi_degrees":9.6103},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1,"moon_longitude":106.6983,"elapsed_within_degrees":0.0316},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.7863},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.584,"elongation":21.61},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.584,"opposition_distance":158.39}},"eclipse_window_40days":[{"offset_days":-16,"type":"lunar","occurs":true,"moon_latitude":0.14,"opposition_distance":0.737}]},"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":"05:23","sunsetLocal":"19:21","solarNoonLocal":"12:22","dayLengthHours":13.959235835188156,"dayLengthDisplay":"13 Hours 57 Mins 33 Secs","nightLengthDisplay":"10 Hours 02 Mins 27 Secs","moonriseLocal":"07:03","moonsetLocal":"20:34","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:37","startHours":8.877501221034505,"endHours":10.622405700433024,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:51","startHours":14.112214659230062,"endHours":15.857119138628583,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:23","end":"07:08","startHours":5.387692262237466,"endHours":7.132596741635986,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.644847290448036,"endHours":9.110155151620974,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.969327088703639,"endHours":6.34157337764199,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:50","startHours":11.902002318658605,"endHours":12.832618041004482,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:27","startHours":3.5264608175457117,"endHours":4.457076539891589,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:23","startHours":4.22442260930512,"endHours":5.387692262237466,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:42","end":"15:37","startHours":14.693849485696237,"endHours":15.624465208042114,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:09","end":"19:33","startHours":19.146928097425622,"endHours":19.54692809742562,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:21","end":"19:56","startHours":19.34692809742562,"endHours":19.928562923891796,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:06","end":"20:51","startHours":19.09692809742562,"endHours":20.84692809742562,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:50","startHours":23.902002318658603,"endHours":24.83261804100448,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:23","end":"07:08","startHours":5.387692262237466,"endHours":7.132596741635986,"quality":"inauspicious"},{"name":"Śubha","start":"07:08","end":"08:53","startHours":7.132596741635986,"endHours":8.877501221034505,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:37","startHours":8.877501221034505,"endHours":10.622405700433024,"quality":"inauspicious"},{"name":"Udveg","start":"10:37","end":"12:22","startHours":10.622405700433024,"endHours":12.367310179831545,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"14:07","startHours":12.367310179831545,"endHours":14.112214659230062,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:51","startHours":14.112214659230062,"endHours":15.857119138628583,"quality":"auspicious"},{"name":"Amṛta","start":"15:51","end":"17:36","startHours":15.857119138628583,"endHours":17.602023618027104,"quality":"auspicious"},{"name":"Kāla","start":"17:36","end":"19:21","startHours":17.602023618027104,"endHours":19.34692809742562,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:21","end":"20:36","startHours":19.34692809742562,"endHours":20.6020236180271,"quality":"auspicious"},{"name":"Amṛta","start":"20:36","end":"21:51","startHours":20.6020236180271,"endHours":21.857119138628583,"quality":"auspicious"},{"name":"Kāla","start":"21:51","end":"23:07","startHours":21.857119138628583,"endHours":23.112214659230062,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:22","startHours":23.112214659230062,"endHours":24.36731017983154,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"01:37","startHours":24.36731017983154,"endHours":25.622405700433024,"quality":"inauspicious"},{"name":"Udveg","start":"01:37","end":"02:53","startHours":25.622405700433024,"endHours":26.877501221034503,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:08","startHours":26.877501221034503,"endHours":28.132596741635986,"quality":"neutral"},{"name":"Labha","start":"04:08","end":"05:23","startHours":28.132596741635986,"endHours":29.387692262237465,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.387692262237466,"endHours":6.387692262237466,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.387692262237466,"endHours":7.387692262237466,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.387692262237466,"endHours":8.387692262237465,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.387692262237465,"endHours":9.387692262237465,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.387692262237465,"endHours":10.387692262237465,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.387692262237465,"endHours":11.387692262237465,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.387692262237465,"endHours":12.387692262237465,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.387692262237465,"endHours":13.387692262237465,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.387692262237465,"endHours":14.387692262237465,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.387692262237465,"endHours":15.387692262237465,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.387692262237465,"endHours":16.387692262237465,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.387692262237465,"endHours":17.387692262237465,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.387692262237465,"endHours":18.387692262237465,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.387692262237465,"endHours":19.387692262237465,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.387692262237465,"endHours":20.387692262237465,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.387692262237465,"endHours":21.387692262237465,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.387692262237465,"endHours":22.387692262237465,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.387692262237465,"endHours":23.387692262237465,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.387692262237465,"endHours":24.387692262237465,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.387692262237465,"endHours":25.387692262237465,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.387692262237465,"endHours":26.387692262237465,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.387692262237465,"endHours":27.387692262237465,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.387692262237465,"endHours":28.387692262237465,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.387692262237465,"endHours":29.387692262237465,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":22.1224585341637,"eotMinutes":-5.10901078989257,"ayanamsa":23.3574}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvitīyā · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[{"id":"ratha-yatra","name":"Ratha-Yātrā (Jagannātha Puri)","name_sanskrit":"रथ यात्रा","tradition":"Vaishnava","associated_deity":"Jagannātha (Krishna) + Balarāma + Subhadrā","significance":"Jagannātha's annual ratha-yātrā at Puri.","vrata":false,"detection":{"tithi_number":2,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":2},{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":[]},"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 July 11, 1964 CE · Ṛṣikeśa · Vidhyamitra","description":"July 11, 1964 CE for Ṛṣikeśa: Śukla Dvitīyā, sūryodaya 05:23, sūryāsta 19:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1964-07-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1964-07-11","sa":"https://sa.vidhyamitra.com/city/rishikesh/1964-07-11","hi":"https://hi.vidhyamitra.com/city/rishikesh/1964-07-11","x-default":"https://vidhyamitra.com/city/rishikesh/1964-07-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T00:49:05.445Z","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":"2026-05-20T00:49:05.445Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T00:49:05.445Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}