{"id":"vidhyamitra:city-day:rishikesh:1960-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1960-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1960-08-15","date_display":"August 15, 1960 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":1960,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437161.770833,"kali_year":5062,"ahargana":1848696.2708,"sun":{"sidereal_longitude":118.3852,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":35.6132,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.228,"elapsed_within_tithi_degrees":1.228},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.6132,"elapsed_within_degrees":8.9465},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9984},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":1960,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437161.770833,"ahargana":1848696.2708,"kali_year":5062,"ayanamsa_lahiri":23.3029,"grahas":{"sun":{"sidereal_longitude":118.90555499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":37.955355,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":-4.1845},"mars":{"sidereal_longitude":45.61345499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":104.019455,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":241.242755,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"venus":{"sidereal_longitude":134.139655,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":259.915655,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":147.175,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":327.175,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"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":1960,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437161.770833,"kali_year":5062,"ahargana":1848696.2708,"sun":{"sidereal_longitude":118.3852,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":35.6132,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.228,"elapsed_within_tithi_degrees":1.228},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":35.6132,"elapsed_within_degrees":8.9465},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.9984},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.185,"elongation":82.772},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.185,"opposition_distance":97.228}},"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":"18:59","solarNoonLocal":"12:21","dayLengthHours":13.250220567059644,"dayLengthDisplay":"13 Hours 15 Mins 01 Secs","nightLengthDisplay":"10 Hours 44 Mins 59 Secs","moonriseLocal":"00:05","moonsetLocal":"13:50","rahuKala":{"name":"Rāhu Kāla","start":"07:23","end":"09:02","startHours":7.382939082796442,"endHours":9.039216653678897,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:21","startHours":10.695494224561354,"endHours":12.35177179544381,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:00","end":"15:40","startHours":14.008049366326265,"endHours":15.66432693720872,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:49","end":"09:16","startHours":8.818379644227903,"endHours":9.260053663129892,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:38","startHours":6.278754035541472,"endHours":6.632093250663063,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:48","startHours":11.910097776541821,"endHours":12.793445814345798,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:58","end":"04:51","startHours":3.9599654363060344,"endHours":4.84331347411001,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:37","end":"05:44","startHours":4.622476464659016,"endHours":5.726661511913987,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:34","end":"15:27","startHours":14.56014188995375,"endHours":15.443489927757726,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.77688207897363,"endHours":19.17688207897363,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:32","startHours":18.97688207897363,"endHours":19.528974602601117,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.72688207897363,"endHours":20.47688207897363,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:48","startHours":23.91009777654182,"endHours":24.793445814345798,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:44","end":"07:23","startHours":5.726661511913987,"endHours":7.382939082796442,"quality":"auspicious"},{"name":"Kāla","start":"07:23","end":"09:02","startHours":7.382939082796442,"endHours":9.039216653678897,"quality":"inauspicious"},{"name":"Śubha","start":"09:02","end":"10:42","startHours":9.039216653678897,"endHours":10.695494224561354,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:21","startHours":10.695494224561354,"endHours":12.35177179544381,"quality":"inauspicious"},{"name":"Udveg","start":"12:21","end":"14:00","startHours":12.35177179544381,"endHours":14.008049366326265,"quality":"inauspicious"},{"name":"Chala","start":"14:00","end":"15:40","startHours":14.008049366326265,"endHours":15.66432693720872,"quality":"neutral"},{"name":"Labha","start":"15:40","end":"17:19","startHours":15.66432693720872,"endHours":17.320604508091176,"quality":"auspicious"},{"name":"Amṛta","start":"17:19","end":"18:59","startHours":17.320604508091176,"endHours":18.97688207897363,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:59","end":"20:19","startHours":18.97688207897363,"endHours":20.320604508091176,"quality":"neutral"},{"name":"Labha","start":"20:19","end":"21:40","startHours":20.320604508091176,"endHours":21.66432693720872,"quality":"auspicious"},{"name":"Amṛta","start":"21:40","end":"23:00","startHours":21.66432693720872,"endHours":23.008049366326265,"quality":"auspicious"},{"name":"Kāla","start":"23:00","end":"00:21","startHours":23.008049366326265,"endHours":24.35177179544381,"quality":"inauspicious"},{"name":"Śubha","start":"00:21","end":"01:42","startHours":24.35177179544381,"endHours":25.695494224561354,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:02","startHours":25.695494224561354,"endHours":27.0392166536789,"quality":"inauspicious"},{"name":"Udveg","start":"03:02","end":"04:23","startHours":27.0392166536789,"endHours":28.38293908279644,"quality":"inauspicious"},{"name":"Chala","start":"04:23","end":"05:44","startHours":28.38293908279644,"endHours":29.72666151191399,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.726661511913987,"endHours":6.726661511913987,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.726661511913987,"endHours":7.726661511913987,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.726661511913987,"endHours":8.726661511913987,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.726661511913987,"endHours":9.726661511913987,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.726661511913987,"endHours":10.726661511913987,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.726661511913987,"endHours":11.726661511913987,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.726661511913987,"endHours":12.726661511913987,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.726661511913987,"endHours":13.726661511913987,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.726661511913987,"endHours":14.726661511913987,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.726661511913987,"endHours":15.726661511913987,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.726661511913987,"endHours":16.72666151191399,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.72666151191399,"endHours":17.72666151191399,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.72666151191399,"endHours":18.72666151191399,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.72666151191399,"endHours":19.72666151191399,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.72666151191399,"endHours":20.72666151191399,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.72666151191399,"endHours":21.72666151191399,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.72666151191399,"endHours":22.72666151191399,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.72666151191399,"endHours":23.72666151191399,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.72666151191399,"endHours":24.72666151191399,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.72666151191399,"endHours":25.72666151191399,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.72666151191399,"endHours":26.72666151191399,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.72666151191399,"endHours":27.72666151191399,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.72666151191399,"endHours":28.72666151191399,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.72666151191399,"endHours":29.72666151191399,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.10659531790878,"eotMinutes":-4.176707726628523,"ayanamsa":23.3029}},"calendars":{"vikram_samvat":2017,"vikram_samvatsara":"Pramādī","saka_samvat":1882,"saka_samvatsara":"Śārvarī","bengali_samvat":1367,"malayalam_era":1136,"nanakshahi_year":491,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Navamī · Vikram 2017 Pramādī · Śaka 1882 Śārvarī"},"festivals":[],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 15, 1960 CE · Ṛṣikeśa · Vidhyamitra","description":"August 15, 1960 CE for Ṛṣikeśa: Kṛṣṇa Navamī, sūryodaya 05:44, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1960-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1960-08-15","sa":"https://sa.vidhyamitra.com/city/rishikesh/1960-08-15","hi":"https://hi.vidhyamitra.com/city/rishikesh/1960-08-15","x-default":"https://vidhyamitra.com/city/rishikesh/1960-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:51:11.289Z","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":"2026-05-31T03:51:11.289Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:51:11.289Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}