{"id":"vidhyamitra:city-day:rishikesh:1978-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1978-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-09-07","date_display":"September 7, 1978 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":1978,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443758.770833,"kali_year":5080,"ahargana":1855293.2708,"sun":{"sidereal_longitude":139.8637,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":192.9357,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.072,"elapsed_within_tithi_degrees":5.072},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.9357,"elapsed_within_degrees":6.269},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.7994},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1978,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443758.770833,"ahargana":1855293.2708,"kali_year":5080,"ayanamsa_lahiri":23.5552,"grahas":{"sun":{"sidereal_longitude":140.518602,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":191.56080199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":2.5987},"mars":{"sidereal_longitude":178.17220199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":123.07340199999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":96.49100199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":186.64050199999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":131.58700199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":157.6342,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":337.6342,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"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":1978,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443758.770833,"kali_year":5080,"ahargana":1855293.2708,"sun":{"sidereal_longitude":139.8637,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":192.9357,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":53.072,"elapsed_within_tithi_degrees":5.072},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.9357,"elapsed_within_degrees":6.269},"yoga":{"number":25,"name":"Brahma","sum_longitude":332.7994},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.599,"elongation":53.072},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.599,"opposition_distance":126.928}},"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":"05:56","sunsetLocal":"18:33","solarNoonLocal":"12:14","dayLengthHours":12.615749544382684,"dayLengthDisplay":"12 Hours 36 Mins 57 Secs","nightLengthDisplay":"11 Hours 23 Mins 03 Secs","moonriseLocal":"10:07","moonsetLocal":"21:10","rahuKala":{"name":"Rāhu Kāla","start":"13:49","end":"15:24","startHours":13.816493710197124,"endHours":15.39346240324496,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:56","end":"07:31","startHours":5.931650244957947,"endHours":7.508618938005782,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:40","startHours":9.085587631053617,"endHours":10.662556324101454,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.87532513864724,"endHours":9.295850123459996,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.457306475973892,"endHours":6.793726463824097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:40","startHours":11.819000032336533,"endHours":12.660050001962045,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:05","startHours":4.249550305706922,"endHours":5.090600275332434,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:56","startHours":4.880337782926056,"endHours":5.931650244957947,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:11","startHours":14.34214994121307,"endHours":15.183199910838582,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.34739978934063,"endHours":18.74739978934063,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:04","startHours":18.54739978934063,"endHours":19.073056020356574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.29739978934063,"endHours":20.04739978934063,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:40","startHours":23.819000032336533,"endHours":24.66005000196205,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:56","end":"07:31","startHours":5.931650244957947,"endHours":7.508618938005782,"quality":"auspicious"},{"name":"Roga","start":"07:31","end":"09:05","startHours":7.508618938005782,"endHours":9.085587631053617,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:40","startHours":9.085587631053617,"endHours":10.662556324101454,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"12:14","startHours":10.662556324101454,"endHours":12.239525017149289,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:49","startHours":12.239525017149289,"endHours":13.816493710197124,"quality":"auspicious"},{"name":"Amṛta","start":"13:49","end":"15:24","startHours":13.816493710197124,"endHours":15.39346240324496,"quality":"auspicious"},{"name":"Kāla","start":"15:24","end":"16:58","startHours":15.39346240324496,"endHours":16.970431096292796,"quality":"inauspicious"},{"name":"Śubha","start":"16:58","end":"18:33","startHours":16.970431096292796,"endHours":18.54739978934063,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:33","end":"19:58","startHours":18.54739978934063,"endHours":19.970431096292796,"quality":"auspicious"},{"name":"Kāla","start":"19:58","end":"21:24","startHours":19.970431096292796,"endHours":21.39346240324496,"quality":"inauspicious"},{"name":"Śubha","start":"21:24","end":"22:49","startHours":21.39346240324496,"endHours":22.816493710197122,"quality":"auspicious"},{"name":"Roga","start":"22:49","end":"00:14","startHours":22.816493710197122,"endHours":24.23952501714929,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:40","startHours":24.23952501714929,"endHours":25.662556324101452,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:05","startHours":25.662556324101452,"endHours":27.085587631053617,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:31","startHours":27.085587631053617,"endHours":28.50861893800578,"quality":"auspicious"},{"name":"Amṛta","start":"04:31","end":"05:56","startHours":28.50861893800578,"endHours":29.931650244957947,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:56","end":"06:56","startHours":5.931650244957947,"endHours":6.931650244957947,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:56","end":"07:56","startHours":6.931650244957947,"endHours":7.931650244957947,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:56","end":"08:56","startHours":7.931650244957947,"endHours":8.931650244957947,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:56","end":"09:56","startHours":8.931650244957947,"endHours":9.931650244957947,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:56","end":"10:56","startHours":9.931650244957947,"endHours":10.931650244957947,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:56","end":"11:56","startHours":10.931650244957947,"endHours":11.931650244957947,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:56","end":"12:56","startHours":11.931650244957947,"endHours":12.931650244957947,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:56","end":"13:56","startHours":12.931650244957947,"endHours":13.931650244957947,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:56","end":"14:56","startHours":13.931650244957947,"endHours":14.931650244957947,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:56","end":"15:56","startHours":14.931650244957947,"endHours":15.931650244957947,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:56","end":"16:56","startHours":15.931650244957947,"endHours":16.931650244957947,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:56","end":"17:56","startHours":16.931650244957947,"endHours":17.931650244957947,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:56","end":"18:56","startHours":17.931650244957947,"endHours":18.931650244957947,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:56","end":"19:56","startHours":18.931650244957947,"endHours":19.931650244957947,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:56","end":"20:56","startHours":19.931650244957947,"endHours":20.931650244957947,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:56","end":"21:56","startHours":20.931650244957947,"endHours":21.931650244957947,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:56","end":"22:56","startHours":21.931650244957947,"endHours":22.931650244957947,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:56","end":"23:56","startHours":22.931650244957947,"endHours":23.931650244957947,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:56","end":"00:56","startHours":23.931650244957947,"endHours":24.931650244957947,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:56","end":"01:56","startHours":24.931650244957947,"endHours":25.931650244957947,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:56","end":"02:56","startHours":25.931650244957947,"endHours":26.931650244957947,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:56","end":"03:56","startHours":26.931650244957947,"endHours":27.931650244957947,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:56","end":"04:56","startHours":27.931650244957947,"endHours":28.931650244957947,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:56","end":"05:56","startHours":28.931650244957947,"endHours":29.931650244957947,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.265590837582401,"eotMinutes":2.5580989710426816,"ayanamsa":23.5552}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pañcamī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"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 September 7, 1978 CE · Ṛṣikeśa · Vidhyamitra","description":"September 7, 1978 CE for Ṛṣikeśa: Śukla Pañcamī, sūryodaya 05:56, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1978-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1978-09-07","sa":"https://sa.vidhyamitra.com/city/rishikesh/1978-09-07","hi":"https://hi.vidhyamitra.com/city/rishikesh/1978-09-07","x-default":"https://vidhyamitra.com/city/rishikesh/1978-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T18:58:39.394Z","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":"2026-05-18T18:58:39.394Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T18:58:39.394Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}