{"id":"vidhyamitra:city-day:rishikesh:1972-09-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/rishikesh/1972-09-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-09-28","date_display":"September 28, 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":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441588.770833,"kali_year":5074,"ahargana":1853123.2708,"sun":{"sidereal_longitude":160.8586,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":44.8502,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":243.9916,"elapsed_within_tithi_degrees":3.9916},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.8502,"elapsed_within_degrees":4.8502},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.7088},"karana":{"half_tithi_index":40,"name":"Gara"},"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":9,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441588.770833,"ahargana":1853123.2708,"kali_year":5074,"ayanamsa_lahiri":23.4722,"grahas":{"sun":{"sidereal_longitude":161.537012,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":48.42891199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":3.33},"mars":{"sidereal_longitude":155.03141200000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":168.29421200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":247.321912,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":118.62661200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":57.411812,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":272.6113,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":92.6113,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":1972,"month":9,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441588.770833,"kali_year":5074,"ahargana":1853123.2708,"sun":{"sidereal_longitude":160.8586,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":44.8502,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":243.9916,"elapsed_within_tithi_degrees":3.9916},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":44.8502,"elapsed_within_degrees":4.8502},"yoga":{"number":16,"name":"Siddhi","sum_longitude":205.7088},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.33,"elongation":116.008},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.33,"opposition_distance":63.992}},"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":"06:08","sunsetLocal":"18:06","solarNoonLocal":"12:07","dayLengthHours":11.974630393317241,"dayLengthDisplay":"11 Hours 58 Mins 29 Secs","nightLengthDisplay":"12 Hours 01 Mins 31 Secs","moonriseLocal":"21:37","moonsetLocal":"11:32","rahuKala":{"name":"Rāhu Kāla","start":"13:37","end":"15:06","startHours":13.609308974034366,"endHours":15.106137773199023,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:08","end":"07:37","startHours":6.1251649782110915,"endHours":7.621993777375747,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:07","end":"10:37","startHours":9.118822576540403,"endHours":10.615651375705056,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:19","startHours":8.919245403318449,"endHours":9.318399749762357,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:37","end":"06:57","startHours":6.624107911265977,"endHours":6.943431388421104,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:31","startHours":11.713325828425805,"endHours":12.51163452131362,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:20","startHours":4.5285475924354595,"endHours":5.3268562853232755,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:08","end":"06:08","startHours":5.127279112101322,"endHours":6.1251649782110915,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:54","startHours":14.108251907089253,"endHours":14.90656059997707,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.899795371528334,"endHours":18.299795371528333,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:36","startHours":18.099795371528334,"endHours":18.598738304583218,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.849795371528334,"endHours":19.599795371528334,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:31","startHours":23.713325828425805,"endHours":24.51163452131362,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:08","end":"07:37","startHours":6.1251649782110915,"endHours":7.621993777375747,"quality":"auspicious"},{"name":"Roga","start":"07:37","end":"09:07","startHours":7.621993777375747,"endHours":9.118822576540403,"quality":"inauspicious"},{"name":"Udveg","start":"09:07","end":"10:37","startHours":9.118822576540403,"endHours":10.615651375705056,"quality":"inauspicious"},{"name":"Chala","start":"10:37","end":"12:07","startHours":10.615651375705056,"endHours":12.112480174869713,"quality":"neutral"},{"name":"Labha","start":"12:07","end":"13:37","startHours":12.112480174869713,"endHours":13.609308974034366,"quality":"auspicious"},{"name":"Amṛta","start":"13:37","end":"15:06","startHours":13.609308974034366,"endHours":15.106137773199023,"quality":"auspicious"},{"name":"Kāla","start":"15:06","end":"16:36","startHours":15.106137773199023,"endHours":16.602966572363677,"quality":"inauspicious"},{"name":"Śubha","start":"16:36","end":"18:06","startHours":16.602966572363677,"endHours":18.099795371528334,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:06","end":"19:36","startHours":18.099795371528334,"endHours":19.602966572363677,"quality":"auspicious"},{"name":"Kāla","start":"19:36","end":"21:06","startHours":19.602966572363677,"endHours":21.106137773199023,"quality":"inauspicious"},{"name":"Śubha","start":"21:06","end":"22:37","startHours":21.106137773199023,"endHours":22.60930897403437,"quality":"auspicious"},{"name":"Roga","start":"22:37","end":"00:07","startHours":22.60930897403437,"endHours":24.112480174869713,"quality":"inauspicious"},{"name":"Udveg","start":"00:07","end":"01:37","startHours":24.112480174869713,"endHours":25.615651375705056,"quality":"inauspicious"},{"name":"Chala","start":"01:37","end":"03:07","startHours":25.615651375705056,"endHours":27.118822576540403,"quality":"neutral"},{"name":"Labha","start":"03:07","end":"04:37","startHours":27.118822576540403,"endHours":28.62199377737575,"quality":"auspicious"},{"name":"Amṛta","start":"04:37","end":"06:08","startHours":28.62199377737575,"endHours":30.125164978211092,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:08","end":"07:08","startHours":6.1251649782110915,"endHours":7.1251649782110915,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:08","end":"08:08","startHours":7.1251649782110915,"endHours":8.125164978211092,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:08","end":"09:08","startHours":8.125164978211092,"endHours":9.125164978211092,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:08","end":"10:08","startHours":9.125164978211092,"endHours":10.125164978211092,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:08","end":"11:08","startHours":10.125164978211092,"endHours":11.125164978211092,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:08","end":"12:08","startHours":11.125164978211092,"endHours":12.125164978211092,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:08","end":"13:08","startHours":12.125164978211092,"endHours":13.125164978211092,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:08","end":"14:08","startHours":13.125164978211092,"endHours":14.125164978211092,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:08","end":"15:08","startHours":14.125164978211092,"endHours":15.125164978211092,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:08","end":"16:08","startHours":15.125164978211092,"endHours":16.125164978211092,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:08","end":"17:08","startHours":16.125164978211092,"endHours":17.125164978211092,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:08","end":"18:08","startHours":17.125164978211092,"endHours":18.125164978211092,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:08","end":"19:08","startHours":18.125164978211092,"endHours":19.125164978211092,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:08","end":"20:08","startHours":19.125164978211092,"endHours":20.125164978211092,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:08","end":"21:08","startHours":20.125164978211092,"endHours":21.125164978211092,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:08","end":"22:08","startHours":21.125164978211092,"endHours":22.125164978211092,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:08","end":"23:08","startHours":22.125164978211092,"endHours":23.125164978211092,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:08","end":"00:08","startHours":23.125164978211092,"endHours":24.125164978211092,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:08","end":"01:08","startHours":24.125164978211092,"endHours":25.125164978211092,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:08","end":"02:08","startHours":25.125164978211092,"endHours":26.125164978211092,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:08","end":"03:08","startHours":26.125164978211092,"endHours":27.125164978211092,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:08","end":"04:08","startHours":27.125164978211092,"endHours":28.125164978211092,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:08","end":"05:08","startHours":28.125164978211092,"endHours":29.125164978211092,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:08","end":"06:08","startHours":29.125164978211092,"endHours":30.125164978211092,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-1.9901893066370384,"eotMinutes":10.180789507817288,"ayanamsa":23.4722}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ṣaṣṭhī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 September 28, 1972 CE · Ṛṣikeśa · Vidhyamitra","description":"September 28, 1972 CE for Ṛṣikeśa: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:08, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/rishikesh/1972-09-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/rishikesh/1972-09-28","sa":"https://sa.vidhyamitra.com/city/rishikesh/1972-09-28","hi":"https://hi.vidhyamitra.com/city/rishikesh/1972-09-28","x-default":"https://vidhyamitra.com/city/rishikesh/1972-09-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T22:35:18.146Z","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":"2026-05-24T22:35:18.146Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T22:35:18.146Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}