{"id":"vidhyamitra:city-day:rishikesh:1964-06-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1964-06-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-06-15","date_display":"June 15, 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":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438561.770833,"kali_year":5066,"ahargana":1850096.2708,"sun":{"sidereal_longitude":60.4701,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":124.2776,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.8075,"elapsed_within_tithi_degrees":3.8075},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.2776,"elapsed_within_degrees":4.2776},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":184.7476},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":6,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438561.770833,"ahargana":1850096.2708,"kali_year":5066,"ayanamsa_lahiri":23.3564,"grahas":{"sun":{"sidereal_longitude":60.612165000000005,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":126.96366499999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":3.5096},"mars":{"sidereal_longitude":35.39596499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":46.81356499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":22.158664999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":68.73986500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":312.381665,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":72.9963,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.9963,"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":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438561.770833,"kali_year":5066,"ahargana":1850096.2708,"sun":{"sidereal_longitude":60.4701,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":124.2776,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":63.8075,"elapsed_within_tithi_degrees":3.8075},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":124.2776,"elapsed_within_degrees":4.2776},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":184.7476},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.51,"elongation":63.807},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.51,"opposition_distance":116.193}},"eclipse_window_40days":[{"offset_days":10,"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":"05:15","sunsetLocal":"19:19","solarNoonLocal":"12:17","dayLengthHours":14.071124500746365,"dayLengthDisplay":"14 Hours 04 Mins 16 Secs","nightLengthDisplay":"9 Hours 55 Mins 44 Secs","moonriseLocal":"10:13","moonsetLocal":"23:12","rahuKala":{"name":"Rāhu Kāla","start":"07:01","end":"08:46","startHours":7.00869592830897,"endHours":8.767586490902264,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:32","end":"12:17","startHours":10.526477053495562,"endHours":12.285367616088855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:03","end":"15:48","startHours":14.044258178682153,"endHours":15.803148741275447,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:32","end":"09:00","startHours":8.533067749223159,"endHours":9.002105232581371,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:13","startHours":5.836102219913439,"endHours":6.211332206600009,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:45","startHours":11.816330132730643,"endHours":12.754405099447068,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:19","startHours":3.3736554322828254,"endHours":4.3117303989992495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:15","startHours":4.077211657320143,"endHours":5.249805365715674,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:34","startHours":14.630555032879919,"endHours":15.568629999596343,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.12092986646204,"endHours":19.520929866462037,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.320929866462038,"endHours":19.907226720659803,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.070929866462038,"endHours":20.820929866462038,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:45","startHours":23.816330132730645,"endHours":24.754405099447066,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:15","end":"07:01","startHours":5.249805365715674,"endHours":7.00869592830897,"quality":"auspicious"},{"name":"Kāla","start":"07:01","end":"08:46","startHours":7.00869592830897,"endHours":8.767586490902264,"quality":"inauspicious"},{"name":"Śubha","start":"08:46","end":"10:32","startHours":8.767586490902264,"endHours":10.526477053495562,"quality":"auspicious"},{"name":"Roga","start":"10:32","end":"12:17","startHours":10.526477053495562,"endHours":12.285367616088855,"quality":"inauspicious"},{"name":"Udveg","start":"12:17","end":"14:03","startHours":12.285367616088855,"endHours":14.044258178682153,"quality":"inauspicious"},{"name":"Chala","start":"14:03","end":"15:48","startHours":14.044258178682153,"endHours":15.803148741275447,"quality":"neutral"},{"name":"Labha","start":"15:48","end":"17:34","startHours":15.803148741275447,"endHours":17.562039303868744,"quality":"auspicious"},{"name":"Amṛta","start":"17:34","end":"19:19","startHours":17.562039303868744,"endHours":19.320929866462038,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:19","end":"20:34","startHours":19.320929866462038,"endHours":20.562039303868744,"quality":"neutral"},{"name":"Labha","start":"20:34","end":"21:48","startHours":20.562039303868744,"endHours":21.803148741275447,"quality":"auspicious"},{"name":"Amṛta","start":"21:48","end":"23:03","startHours":21.803148741275447,"endHours":23.04425817868215,"quality":"auspicious"},{"name":"Kāla","start":"23:03","end":"00:17","startHours":23.04425817868215,"endHours":24.285367616088855,"quality":"inauspicious"},{"name":"Śubha","start":"00:17","end":"01:32","startHours":24.285367616088855,"endHours":25.52647705349556,"quality":"auspicious"},{"name":"Roga","start":"01:32","end":"02:46","startHours":25.52647705349556,"endHours":26.767586490902264,"quality":"inauspicious"},{"name":"Udveg","start":"02:46","end":"04:01","startHours":26.767586490902264,"endHours":28.008695928308967,"quality":"inauspicious"},{"name":"Chala","start":"04:01","end":"05:15","startHours":28.008695928308967,"endHours":29.249805365715673,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.249805365715674,"endHours":6.249805365715674,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.249805365715674,"endHours":7.249805365715674,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.249805365715674,"endHours":8.249805365715673,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.249805365715673,"endHours":9.249805365715673,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.249805365715673,"endHours":10.249805365715673,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.249805365715673,"endHours":11.249805365715673,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.249805365715673,"endHours":12.249805365715673,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.249805365715673,"endHours":13.249805365715673,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.249805365715673,"endHours":14.249805365715673,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.249805365715673,"endHours":15.249805365715673,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.249805365715673,"endHours":16.249805365715673,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.249805365715673,"endHours":17.249805365715673,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.249805365715673,"endHours":18.249805365715673,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.249805365715673,"endHours":19.249805365715673,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.249805365715673,"endHours":20.249805365715673,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.249805365715673,"endHours":21.249805365715673,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.249805365715673,"endHours":22.249805365715673,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.249805365715673,"endHours":23.249805365715673,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.249805365715673,"endHours":24.249805365715673,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.249805365715673,"endHours":25.249805365715673,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.249805365715673,"endHours":26.249805365715673,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.249805365715673,"endHours":27.249805365715673,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.249805365715673,"endHours":28.249805365715673,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.249805365715673,"endHours":29.249805365715673,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.29908106489257,"eotMinutes":-0.19245696533128553,"ayanamsa":23.3564}},"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 Ṣaṣṭhī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[{"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 June 15, 1964 CE · Ṛṣikeśa · Vidhyamitra","description":"June 15, 1964 CE for Ṛṣikeśa: Śukla Ṣaṣṭhī, sūryodaya 05:15, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1964-06-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1964-06-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1964-06-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1964-06-15","x-default":"https://vidhyamitra.com/city/rishikesh/1964-06-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T05:18:47.172Z","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":"2026-05-20T05:18:47.172Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T05:18:47.172Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}