{"id":"vidhyamitra:city-day:rishikesh:1971-06-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1971-06-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-06-09","date_display":"June 9, 1971 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":1971,"month":6,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441111.770833,"kali_year":5073,"ahargana":1852646.2708,"sun":{"sidereal_longitude":54.0083,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":233.7737,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.7654,"elapsed_within_tithi_degrees":11.7654},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.7737,"elapsed_within_degrees":7.107},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.782},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1971,"month":6,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441111.770833,"ahargana":1852646.2708,"kali_year":5073,"ayanamsa_lahiri":23.454,"grahas":{"sun":{"sidereal_longitude":54.119935999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":234.55393600000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-4.0476},"mars":{"sidereal_longitude":292.900136,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":40.120735999999965,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":216.80383600000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":33.02313600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":35.735536000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":297.885,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":117.885,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1971,"month":6,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441111.770833,"kali_year":5073,"ahargana":1852646.2708,"sun":{"sidereal_longitude":54.0083,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":233.7737,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.7654,"elapsed_within_tithi_degrees":11.7654},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":233.7737,"elapsed_within_degrees":7.107},"yoga":{"number":22,"name":"Sādhya","sum_longitude":287.782},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.048,"elongation":179.765},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.048,"opposition_distance":0.235}},"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":"05:15","sunsetLocal":"19:17","solarNoonLocal":"12:16","dayLengthHours":14.02869857715993,"dayLengthDisplay":"14 Hours 01 Mins 43 Secs","nightLengthDisplay":"9 Hours 58 Mins 17 Secs","moonriseLocal":"19:11","moonsetLocal":"05:24","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"14:01","startHours":12.265536141380835,"endHours":14.019123463525826,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:00","end":"08:46","startHours":7.00477417494586,"endHours":8.758361497090851,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:31","end":"12:16","startHours":10.511948819235844,"endHours":12.265536141380835,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"09:00","startHours":8.524549854138186,"endHours":8.992173140043517,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:13","startHours":5.835715960182532,"endHours":6.209814588906797,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:44","startHours":11.797912855475504,"endHours":12.733159427286166,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:19","startHours":3.3806937091795444,"endHours":4.3159402809902065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:15","startHours":4.082128638037541,"endHours":5.251186852800869,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:32","startHours":14.603652570907489,"endHours":15.53889914271815,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:05","end":"19:29","startHours":19.0798854299608,"endHours":19.4798854299608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:17","end":"19:52","startHours":19.2798854299608,"endHours":19.864414537342462,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:02","end":"20:47","startHours":19.0298854299608,"endHours":20.7798854299608,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:44","startHours":23.797912855475506,"endHours":24.733159427286164,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:15","end":"07:00","startHours":5.251186852800869,"endHours":7.00477417494586,"quality":"auspicious"},{"name":"Amṛta","start":"07:00","end":"08:46","startHours":7.00477417494586,"endHours":8.758361497090851,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:31","startHours":8.758361497090851,"endHours":10.511948819235844,"quality":"inauspicious"},{"name":"Śubha","start":"10:31","end":"12:16","startHours":10.511948819235844,"endHours":12.265536141380835,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"14:01","startHours":12.265536141380835,"endHours":14.019123463525826,"quality":"inauspicious"},{"name":"Udveg","start":"14:01","end":"15:46","startHours":14.019123463525826,"endHours":15.772710785670817,"quality":"inauspicious"},{"name":"Chala","start":"15:46","end":"17:32","startHours":15.772710785670817,"endHours":17.52629810781581,"quality":"neutral"},{"name":"Labha","start":"17:32","end":"19:17","startHours":17.52629810781581,"endHours":19.2798854299608,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:17","end":"20:32","startHours":19.2798854299608,"endHours":20.52629810781581,"quality":"inauspicious"},{"name":"Chala","start":"20:32","end":"21:46","startHours":20.52629810781581,"endHours":21.772710785670817,"quality":"neutral"},{"name":"Labha","start":"21:46","end":"23:01","startHours":21.772710785670817,"endHours":23.019123463525826,"quality":"auspicious"},{"name":"Amṛta","start":"23:01","end":"00:16","startHours":23.019123463525826,"endHours":24.265536141380835,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:31","startHours":24.265536141380835,"endHours":25.511948819235844,"quality":"inauspicious"},{"name":"Śubha","start":"01:31","end":"02:46","startHours":25.511948819235844,"endHours":26.758361497090853,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"04:00","startHours":26.758361497090853,"endHours":28.004774174945858,"quality":"inauspicious"},{"name":"Udveg","start":"04:00","end":"05:15","startHours":28.004774174945858,"endHours":29.25118685280087,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.251186852800869,"endHours":6.251186852800869,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.251186852800869,"endHours":7.251186852800869,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.251186852800869,"endHours":8.251186852800869,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.251186852800869,"endHours":9.251186852800869,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.251186852800869,"endHours":10.251186852800869,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.251186852800869,"endHours":11.251186852800869,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.251186852800869,"endHours":12.251186852800869,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.251186852800869,"endHours":13.251186852800869,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.251186852800869,"endHours":14.251186852800869,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.251186852800869,"endHours":15.251186852800869,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.251186852800869,"endHours":16.25118685280087,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.25118685280087,"endHours":17.25118685280087,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.25118685280087,"endHours":18.25118685280087,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.25118685280087,"endHours":19.25118685280087,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.25118685280087,"endHours":20.25118685280087,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.25118685280087,"endHours":21.25118685280087,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.25118685280087,"endHours":22.25118685280087,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.25118685280087,"endHours":23.25118685280087,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.25118685280087,"endHours":24.25118685280087,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.25118685280087,"endHours":25.25118685280087,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.25118685280087,"endHours":26.25118685280087,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.25118685280087,"endHours":27.25118685280087,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.25118685280087,"endHours":28.25118685280087,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.25118685280087,"endHours":29.25118685280087,"planetary_lord":"Sun"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.855935397280675,"eotMinutes":0.9974315171499422,"ayanamsa":23.454}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Pūrṇimā · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[{"id":"jyeshtha-purnima","name":"Jyeṣṭha Pūrṇimā (Vaṭa Sāvitrī)","name_sanskrit":"ज्येष्ठ पूर्णिमा","tradition":"Pan-Hindu","significance":"Vaṭa Sāvitrī Pūrṇimā in some traditions (others observe Amāvasyā).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Jyeṣṭha"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","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 June 9, 1971 CE · Ṛṣikeśa · Vidhyamitra","description":"June 9, 1971 CE for Ṛṣikeśa: Śukla Pūrṇimā, sūryodaya 05:15, sūryāsta 19:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1971-06-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1971-06-09","sa":"https://sa.vidhyamitra.com/city/rishikesh/1971-06-09","hi":"https://hi.vidhyamitra.com/city/rishikesh/1971-06-09","x-default":"https://vidhyamitra.com/city/rishikesh/1971-06-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T00:31:07.028Z","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":"2026-05-31T00:31:07.028Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T00:31:07.028Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}