{"id":"vidhyamitra:city-day:rishikesh:1972-04-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1972-04-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-04-06","date_display":"April 6, 1972 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":1972,"month":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441413.770833,"kali_year":5073,"ahargana":1852948.2708,"sun":{"sidereal_longitude":353.0912,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":255.8763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.7851,"elapsed_within_tithi_degrees":10.7851},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.8763,"elapsed_within_degrees":2.5429},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.9674},"karana":{"half_tithi_index":43,"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":1972,"month":4,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441413.770833,"ahargana":1852948.2708,"kali_year":5073,"ayanamsa_lahiri":23.4655,"grahas":{"sun":{"sidereal_longitude":352.871498,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":252.052498,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-1.9715},"mars":{"sidereal_longitude":43.33749799999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":343.591398,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":254.952898,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":39.06199800000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":40.123198,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":281.8836,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":101.8836,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1972,"month":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441413.770833,"kali_year":5073,"ahargana":1852948.2708,"sun":{"sidereal_longitude":353.0912,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":255.8763,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.7851,"elapsed_within_tithi_degrees":10.7851},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.8763,"elapsed_within_degrees":2.5429},"yoga":{"number":19,"name":"Parigha","sum_longitude":248.9674},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.972,"elongation":97.215},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.972,"opposition_distance":82.785}},"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":"06:01","sunsetLocal":"18:39","solarNoonLocal":"12:20","dayLengthHours":12.628180602923353,"dayLengthDisplay":"12 Hours 37 Mins 41 Secs","nightLengthDisplay":"11 Hours 22 Mins 19 Secs","moonriseLocal":"00:31","moonsetLocal":"10:42","rahuKala":{"name":"Rāhu Kāla","start":"13:54","end":"15:29","startHours":13.907179730349469,"endHours":15.485702305714888,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:01","end":"07:36","startHours":6.014566853522373,"endHours":7.593089428887792,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:10","end":"10:45","startHours":9.17161200425321,"endHours":10.750134579618631,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:23","startHours":8.961142327537821,"endHours":9.3820816809686,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:53","startHours":6.540741045310846,"endHours":6.877492528055469,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.907717801553272,"endHours":12.749596508414829,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:10","startHours":4.33080943979926,"endHours":5.172688146660816,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:01","startHours":4.962218469945427,"endHours":6.014566853522373,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.433353922137941,"endHours":15.275232628999499,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.442747456445726,"endHours":18.842747456445725,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:10","startHours":18.642747456445726,"endHours":19.1689216482342,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.392747456445726,"endHours":20.142747456445726,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.90771780155327,"endHours":24.74959650841483,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:01","end":"07:36","startHours":6.014566853522373,"endHours":7.593089428887792,"quality":"auspicious"},{"name":"Roga","start":"07:36","end":"09:10","startHours":7.593089428887792,"endHours":9.17161200425321,"quality":"inauspicious"},{"name":"Udveg","start":"09:10","end":"10:45","startHours":9.17161200425321,"endHours":10.750134579618631,"quality":"inauspicious"},{"name":"Chala","start":"10:45","end":"12:20","startHours":10.750134579618631,"endHours":12.32865715498405,"quality":"neutral"},{"name":"Labha","start":"12:20","end":"13:54","startHours":12.32865715498405,"endHours":13.907179730349469,"quality":"auspicious"},{"name":"Amṛta","start":"13:54","end":"15:29","startHours":13.907179730349469,"endHours":15.485702305714888,"quality":"auspicious"},{"name":"Kāla","start":"15:29","end":"17:04","startHours":15.485702305714888,"endHours":17.064224881080307,"quality":"inauspicious"},{"name":"Śubha","start":"17:04","end":"18:39","startHours":17.064224881080307,"endHours":18.642747456445726,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:39","end":"20:04","startHours":18.642747456445726,"endHours":20.064224881080307,"quality":"auspicious"},{"name":"Kāla","start":"20:04","end":"21:29","startHours":20.064224881080307,"endHours":21.485702305714888,"quality":"inauspicious"},{"name":"Śubha","start":"21:29","end":"22:54","startHours":21.485702305714888,"endHours":22.90717973034947,"quality":"auspicious"},{"name":"Roga","start":"22:54","end":"00:20","startHours":22.90717973034947,"endHours":24.32865715498405,"quality":"inauspicious"},{"name":"Udveg","start":"00:20","end":"01:45","startHours":24.32865715498405,"endHours":25.75013457961863,"quality":"inauspicious"},{"name":"Chala","start":"01:45","end":"03:10","startHours":25.75013457961863,"endHours":27.171612004253213,"quality":"neutral"},{"name":"Labha","start":"03:10","end":"04:36","startHours":27.171612004253213,"endHours":28.593089428887794,"quality":"auspicious"},{"name":"Amṛta","start":"04:36","end":"06:01","startHours":28.593089428887794,"endHours":30.014566853522375,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:01","end":"07:01","startHours":6.014566853522373,"endHours":7.014566853522373,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:01","end":"08:01","startHours":7.014566853522373,"endHours":8.014566853522373,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:01","end":"09:01","startHours":8.014566853522373,"endHours":9.014566853522373,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:01","end":"10:01","startHours":9.014566853522373,"endHours":10.014566853522373,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:01","end":"11:01","startHours":10.014566853522373,"endHours":11.014566853522373,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:01","end":"12:01","startHours":11.014566853522373,"endHours":12.014566853522373,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:01","end":"13:01","startHours":12.014566853522373,"endHours":13.014566853522373,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:01","end":"14:01","startHours":13.014566853522373,"endHours":14.014566853522373,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:01","end":"15:01","startHours":14.014566853522373,"endHours":15.014566853522373,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:01","end":"16:01","startHours":15.014566853522373,"endHours":16.014566853522375,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:01","end":"17:01","startHours":16.014566853522375,"endHours":17.014566853522375,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:01","end":"18:01","startHours":17.014566853522375,"endHours":18.014566853522375,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:01","end":"19:01","startHours":18.014566853522375,"endHours":19.014566853522375,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:01","end":"20:01","startHours":19.014566853522375,"endHours":20.014566853522375,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:01","end":"21:01","startHours":20.014566853522375,"endHours":21.014566853522375,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:01","end":"22:01","startHours":21.014566853522375,"endHours":22.014566853522375,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:01","end":"23:01","startHours":22.014566853522375,"endHours":23.014566853522375,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:01","end":"00:01","startHours":23.014566853522375,"endHours":24.014566853522375,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:01","end":"01:01","startHours":24.014566853522375,"endHours":25.014566853522375,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:01","end":"02:01","startHours":25.014566853522375,"endHours":26.014566853522375,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:01","end":"03:01","startHours":26.014566853522375,"endHours":27.014566853522375,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:01","end":"04:01","startHours":27.014566853522375,"endHours":28.014566853522375,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:01","end":"05:01","startHours":28.014566853522375,"endHours":29.014566853522375,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:01","end":"06:01","startHours":29.014566853522375,"endHours":30.014566853522375,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.4235130208659035,"eotMinutes":-2.7898292990430456,"ayanamsa":23.4655}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Saptamī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"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 April 6, 1972 CE · Ṛṣikeśa · Vidhyamitra","description":"April 6, 1972 CE for Ṛṣikeśa: Kṛṣṇa Saptamī, sūryodaya 06:01, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1972-04-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1972-04-06","sa":"https://sa.vidhyamitra.com/city/rishikesh/1972-04-06","hi":"https://hi.vidhyamitra.com/city/rishikesh/1972-04-06","x-default":"https://vidhyamitra.com/city/rishikesh/1972-04-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T15:22:59.019Z","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":"2026-05-19T15:22:59.019Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T15:22:59.019Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}