{"id":"vidhyamitra:city-day:ayodhya:1961-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1961-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1961-09-18","date_display":"September 18, 1961 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":1961,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437560.770833,"kali_year":5063,"ahargana":1849095.2708,"sun":{"sidereal_longitude":150.9301,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":246.6783,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.7482,"elapsed_within_tithi_degrees":11.7482},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.6783,"elapsed_within_degrees":6.6783},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6084},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1961,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2437560.770833,"ahargana":1849095.2708,"kali_year":5063,"ayanamsa_lahiri":23.3182,"grahas":{"sun":{"sidereal_longitude":151.571211,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":244.01911099999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":3.8705},"mars":{"sidereal_longitude":177.98921100000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":176.12021100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":274.744511,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":120.46151099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":270.640811,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":126.0341,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":306.0341,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1961,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2437560.770833,"kali_year":5063,"ahargana":1849095.2708,"sun":{"sidereal_longitude":150.9301,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":246.6783,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.7482,"elapsed_within_tithi_degrees":11.7482},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":246.6783,"elapsed_within_degrees":6.6783},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.6084},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.871,"elongation":95.748},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.871,"opposition_distance":84.252}},"eclipse_window_40days":[{"offset_days":-8,"type":"solar","occurs":true,"moon_latitude":1.274,"elongation":0.234}]},"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":"18:02","solarNoonLocal":"11:55","dayLengthHours":12.261356502071495,"dayLengthDisplay":"12 Hours 15 Mins 41 Secs","nightLengthDisplay":"11 Hours 44 Mins 19 Secs","moonriseLocal":"12:52","moonsetLocal":"23:17","rahuKala":{"name":"Rāhu Kāla","start":"07:19","end":"08:51","startHours":7.3115576088286165,"endHours":8.844227171587553,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"11:55","startHours":10.376896734346492,"endHours":11.909566297105428,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:27","end":"14:58","startHours":13.442235859864365,"endHours":14.974905422623301,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.639871229886362,"endHours":9.048583113288746,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.289777900322659,"endHours":6.616747407044565,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:19","startHours":11.500854413703046,"endHours":12.31827818050781,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"04:58","startHours":4.144040512460148,"endHours":4.961464279264914,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:47","startHours":4.7571083375637215,"endHours":5.77888804606968,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.953125714117343,"endHours":14.77054948092211,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.840244548141175,"endHours":18.240244548141174,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:33","startHours":18.040244548141175,"endHours":18.551134402394155,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.790244548141175,"endHours":19.540244548141175,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:19","startHours":23.500854413703046,"endHours":24.31827818050781,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:47","end":"07:19","startHours":5.77888804606968,"endHours":7.3115576088286165,"quality":"auspicious"},{"name":"Kāla","start":"07:19","end":"08:51","startHours":7.3115576088286165,"endHours":8.844227171587553,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:23","startHours":8.844227171587553,"endHours":10.376896734346492,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"11:55","startHours":10.376896734346492,"endHours":11.909566297105428,"quality":"inauspicious"},{"name":"Udveg","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.442235859864365,"quality":"inauspicious"},{"name":"Chala","start":"13:27","end":"14:58","startHours":13.442235859864365,"endHours":14.974905422623301,"quality":"neutral"},{"name":"Labha","start":"14:58","end":"16:30","startHours":14.974905422623301,"endHours":16.507574985382238,"quality":"auspicious"},{"name":"Amṛta","start":"16:30","end":"18:02","startHours":16.507574985382238,"endHours":18.040244548141175,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:02","end":"19:30","startHours":18.040244548141175,"endHours":19.507574985382238,"quality":"neutral"},{"name":"Labha","start":"19:30","end":"20:58","startHours":19.507574985382238,"endHours":20.9749054226233,"quality":"auspicious"},{"name":"Amṛta","start":"20:58","end":"22:27","startHours":20.9749054226233,"endHours":22.442235859864365,"quality":"auspicious"},{"name":"Kāla","start":"22:27","end":"23:55","startHours":22.442235859864365,"endHours":23.909566297105428,"quality":"inauspicious"},{"name":"Śubha","start":"23:55","end":"01:23","startHours":23.909566297105428,"endHours":25.37689673434649,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:51","startHours":25.37689673434649,"endHours":26.844227171587555,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:19","startHours":26.844227171587555,"endHours":28.311557608828615,"quality":"inauspicious"},{"name":"Chala","start":"04:19","end":"05:47","startHours":28.311557608828615,"endHours":29.77888804606968,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.77888804606968,"endHours":6.77888804606968,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.77888804606968,"endHours":7.77888804606968,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.77888804606968,"endHours":8.77888804606968,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.77888804606968,"endHours":9.77888804606968,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.77888804606968,"endHours":10.77888804606968,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.77888804606968,"endHours":11.77888804606968,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.77888804606968,"endHours":12.77888804606968,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.77888804606968,"endHours":13.77888804606968,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.77888804606968,"endHours":14.77888804606968,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.77888804606968,"endHours":15.77888804606968,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.77888804606968,"endHours":16.77888804606968,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77888804606968,"endHours":17.77888804606968,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77888804606968,"endHours":18.77888804606968,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77888804606968,"endHours":19.77888804606968,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77888804606968,"endHours":20.77888804606968,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77888804606968,"endHours":21.77888804606968,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77888804606968,"endHours":22.77888804606968,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77888804606968,"endHours":23.77888804606968,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77888804606968,"endHours":24.77888804606968,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77888804606968,"endHours":25.77888804606968,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77888804606968,"endHours":26.77888804606968,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77888804606968,"endHours":27.77888804606968,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77888804606968,"endHours":28.77888804606968,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77888804606968,"endHours":29.77888804606968,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.0303778308838165,"eotMinutes":6.610022173674397,"ayanamsa":23.3182}},"calendars":{"vikram_samvat":2018,"vikram_samvatsara":"Ānanda","saka_samvat":1883,"saka_samvatsara":"Plava","bengali_samvat":1368,"malayalam_era":1137,"nanakshahi_year":492,"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 Aṣṭamī · Vikram 2018 Ānanda · Śaka 1883 Plava"},"festivals":[{"id":"radhashtami","name":"Rādhāṣṭamī","name_sanskrit":"राधाष्टमी","tradition":"Vaishnava","associated_deity":"Śrī Rādhā (Krishna's hlādinī-śakti)","significance":"Manifestation of Śrī Rādhā at Barsānā — Krishna's ādi-śakti.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":2,"sources":["Padma Purāṇa","Brahma-Vaivarta Purāṇa"]}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 18, 1961 CE · Ayodhyā · Vidhyamitra","description":"September 18, 1961 CE for Ayodhyā: Śukla Aṣṭamī, sūryodaya 05:47, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1961-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1961-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1961-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1961-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/1961-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:45:11.769Z","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":"2026-06-02T13:45:11.769Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:45:11.769Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}