{"id":"vidhyamitra:city-day:ayodhya:1975-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1975-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1975-09-20","date_display":"September 20, 1975 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":1975,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442675.770833,"kali_year":5077,"ahargana":1854210.2708,"sun":{"sidereal_longitude":152.273,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.8678,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5948,"elapsed_within_tithi_degrees":7.5948},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8678,"elapsed_within_degrees":7.8678},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1407},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1975,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442675.770833,"ahargana":1854210.2708,"kali_year":5077,"ayanamsa_lahiri":23.5138,"grahas":{"sun":{"sidereal_longitude":152.94978000000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":327.99608,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":4.1462},"mars":{"sidereal_longitude":56.716380000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":179.08238000000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":359.09508,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":122.24358000000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":96.82578000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":215.0168,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":35.0168,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1975,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442675.770833,"kali_year":5077,"ahargana":1854210.2708,"sun":{"sidereal_longitude":152.273,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.8678,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":175.5948,"elapsed_within_tithi_degrees":7.5948},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.8678,"elapsed_within_degrees":7.8678},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":120.1407},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.146,"elongation":175.595},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.146,"opposition_distance":4.405}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:47","sunsetLocal":"18:00","solarNoonLocal":"11:54","dayLengthHours":12.219191998931315,"dayLengthDisplay":"12 Hours 13 Mins 09 Secs","nightLengthDisplay":"11 Hours 46 Mins 51 Secs","moonriseLocal":"17:38","moonsetLocal":"05:30","rahuKala":{"name":"Rāhu Kāla","start":"08:51","end":"10:22","startHours":8.842486754241264,"endHours":10.36988575410768,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:25","end":"14:57","startHours":13.424683753840508,"endHours":14.952082753706922,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:47","end":"07:19","startHours":5.787688754508436,"endHours":7.315087754374851,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.638833554259076,"endHours":9.046139954223454,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:37","startHours":6.296821754463908,"endHours":6.62266687443541,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.489978354009718,"endHours":12.304591153938471,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"04:58","startHours":4.158463154650928,"endHours":4.973075954579682,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:47","startHours":4.769422754597493,"endHours":5.787688754508436,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:45","startHours":13.93381675379598,"endHours":14.748429553724735,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.806880753439753,"endHours":18.20688075343975,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:31","startHours":18.006880753439752,"endHours":18.516013753395224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.756880753439752,"endHours":19.506880753439752,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.48997835400972,"endHours":24.30459115393847,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:47","end":"07:19","startHours":5.787688754508436,"endHours":7.315087754374851,"quality":"inauspicious"},{"name":"Śubha","start":"07:19","end":"08:51","startHours":7.315087754374851,"endHours":8.842486754241264,"quality":"auspicious"},{"name":"Roga","start":"08:51","end":"10:22","startHours":8.842486754241264,"endHours":10.36988575410768,"quality":"inauspicious"},{"name":"Udveg","start":"10:22","end":"11:54","startHours":10.36988575410768,"endHours":11.897284753974095,"quality":"inauspicious"},{"name":"Chala","start":"11:54","end":"13:25","startHours":11.897284753974095,"endHours":13.424683753840508,"quality":"neutral"},{"name":"Labha","start":"13:25","end":"14:57","startHours":13.424683753840508,"endHours":14.952082753706922,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:29","startHours":14.952082753706922,"endHours":16.47948175357334,"quality":"auspicious"},{"name":"Kāla","start":"16:29","end":"18:00","startHours":16.47948175357334,"endHours":18.006880753439752,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:00","end":"19:29","startHours":18.006880753439752,"endHours":19.47948175357334,"quality":"auspicious"},{"name":"Amṛta","start":"19:29","end":"20:57","startHours":19.47948175357334,"endHours":20.952082753706925,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:25","startHours":20.952082753706925,"endHours":22.424683753840508,"quality":"inauspicious"},{"name":"Śubha","start":"22:25","end":"23:54","startHours":22.424683753840508,"endHours":23.897284753974095,"quality":"auspicious"},{"name":"Roga","start":"23:54","end":"01:22","startHours":23.897284753974095,"endHours":25.36988575410768,"quality":"inauspicious"},{"name":"Udveg","start":"01:22","end":"02:51","startHours":25.36988575410768,"endHours":26.842486754241264,"quality":"inauspicious"},{"name":"Chala","start":"02:51","end":"04:19","startHours":26.842486754241264,"endHours":28.31508775437485,"quality":"neutral"},{"name":"Labha","start":"04:19","end":"05:47","startHours":28.31508775437485,"endHours":29.787688754508437,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.787688754508436,"endHours":6.787688754508436,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.787688754508436,"endHours":7.787688754508436,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.787688754508436,"endHours":8.787688754508437,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.787688754508437,"endHours":9.787688754508437,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.787688754508437,"endHours":10.787688754508437,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.787688754508437,"endHours":11.787688754508437,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.787688754508437,"endHours":12.787688754508437,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.787688754508437,"endHours":13.787688754508437,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.787688754508437,"endHours":14.787688754508437,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.787688754508437,"endHours":15.787688754508437,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.787688754508437,"endHours":16.787688754508437,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.787688754508437,"endHours":17.787688754508437,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.787688754508437,"endHours":18.787688754508437,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.787688754508437,"endHours":19.787688754508437,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.787688754508437,"endHours":20.787688754508437,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.787688754508437,"endHours":21.787688754508437,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.787688754508437,"endHours":22.787688754508437,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.787688754508437,"endHours":23.787688754508437,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.787688754508437,"endHours":24.787688754508437,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.787688754508437,"endHours":25.787688754508437,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.787688754508437,"endHours":26.787688754508437,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.787688754508437,"endHours":27.787688754508437,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.787688754508437,"endHours":28.787688754508437,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.787688754508437,"endHours":29.787688754508437,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.405797174547468,"eotMinutes":7.346914761554353,"ayanamsa":23.5138}},"calendars":{"vikram_samvat":2032,"vikram_samvatsara":"Vibhava","saka_samvat":1897,"saka_samvatsara":"Rākṣasa","bengali_samvat":1382,"malayalam_era":1151,"nanakshahi_year":506,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pūrṇimā · Vikram 2032 Vibhava · Śaka 1897 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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":"-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":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 20, 1975 CE · Ayodhyā · Vidhyamitra","description":"September 20, 1975 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 05:47, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1975-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1975-09-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1975-09-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1975-09-20","x-default":"https://vidhyamitra.com/city/ayodhya/1975-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T00:34:29.970Z","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":"2026-06-02T00:34:29.970Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T00:34:29.970Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}