{"id":"vidhyamitra:city-day:ayodhya:1979-09-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1979-09-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1979-09-18","date_display":"September 18, 1979 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":1979,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444134.770833,"kali_year":5081,"ahargana":1855669.2708,"sun":{"sidereal_longitude":150.2895,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":112.2083,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.9189,"elapsed_within_tithi_degrees":9.9189},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.2083,"elapsed_within_degrees":5.5417},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.4978},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1979,"month":9,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444134.770833,"ahargana":1855669.2708,"kali_year":5081,"ayanamsa_lahiri":23.5696,"grahas":{"sun":{"sidereal_longitude":150.97213599999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":114.576236,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":-1.9359},"mars":{"sidereal_longitude":92.57083599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":155.33323599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":123.893236,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":157.65063599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":144.403236,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":137.7119,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":317.7119,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1979,"month":9,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444134.770833,"kali_year":5081,"ahargana":1855669.2708,"sun":{"sidereal_longitude":150.2895,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":112.2083,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.9189,"elapsed_within_tithi_degrees":9.9189},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":112.2083,"elapsed_within_degrees":5.5417},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.4978},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.936,"elongation":38.081},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.936,"opposition_distance":141.919}},"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":"05:46","sunsetLocal":"18:03","solarNoonLocal":"11:55","dayLengthHours":12.270665300732942,"dayLengthDisplay":"12 Hours 16 Mins 14 Secs","nightLengthDisplay":"11 Hours 43 Mins 46 Secs","moonriseLocal":"02:54","moonsetLocal":"16:04","rahuKala":{"name":"Rāhu Kāla","start":"14:59","end":"16:31","startHours":14.977232622288664,"endHours":16.51106578488028,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:51","end":"10:23","startHours":8.841899971922194,"endHours":10.375733134513812,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.443399459697048,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.637388883576644,"endHours":9.046411060267744,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.2855113676028305,"endHours":6.612729108955709,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:19","startHours":11.50054412041433,"endHours":12.318588473796526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:57","startHours":4.138144939974566,"endHours":4.956189293356762,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:45","end":"05:46","startHours":4.751678205011213,"endHours":5.774233646738958,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.95467718056092,"endHours":14.772721533943116,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.8448989474719,"endHours":18.2448989474719,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:33","startHours":18.0448989474719,"endHours":18.556176668335773,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.7948989474719,"endHours":19.5448989474719,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:19","startHours":23.50054412041433,"endHours":24.318588473796527,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:46","end":"07:18","startHours":5.774233646738958,"endHours":7.308066809330576,"quality":"inauspicious"},{"name":"Udveg","start":"07:18","end":"08:51","startHours":7.308066809330576,"endHours":8.841899971922194,"quality":"inauspicious"},{"name":"Chala","start":"08:51","end":"10:23","startHours":8.841899971922194,"endHours":10.375733134513812,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"11:55","startHours":10.375733134513812,"endHours":11.909566297105428,"quality":"auspicious"},{"name":"Amṛta","start":"11:55","end":"13:27","startHours":11.909566297105428,"endHours":13.443399459697048,"quality":"auspicious"},{"name":"Kāla","start":"13:27","end":"14:59","startHours":13.443399459697048,"endHours":14.977232622288664,"quality":"inauspicious"},{"name":"Śubha","start":"14:59","end":"16:31","startHours":14.977232622288664,"endHours":16.51106578488028,"quality":"auspicious"},{"name":"Roga","start":"16:31","end":"18:03","startHours":16.51106578488028,"endHours":18.0448989474719,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:03","end":"19:31","startHours":18.0448989474719,"endHours":19.511065784880284,"quality":"inauspicious"},{"name":"Śubha","start":"19:31","end":"20:59","startHours":19.511065784880284,"endHours":20.977232622288664,"quality":"auspicious"},{"name":"Roga","start":"20:59","end":"22:27","startHours":20.977232622288664,"endHours":22.443399459697048,"quality":"inauspicious"},{"name":"Udveg","start":"22:27","end":"23:55","startHours":22.443399459697048,"endHours":23.909566297105428,"quality":"inauspicious"},{"name":"Chala","start":"23:55","end":"01:23","startHours":23.909566297105428,"endHours":25.375733134513812,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:51","startHours":25.375733134513812,"endHours":26.841899971922196,"quality":"auspicious"},{"name":"Amṛta","start":"02:51","end":"04:18","startHours":26.841899971922196,"endHours":28.308066809330576,"quality":"auspicious"},{"name":"Kāla","start":"04:18","end":"05:46","startHours":28.308066809330576,"endHours":29.774233646738956,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:46","end":"06:46","startHours":5.774233646738958,"endHours":6.774233646738958,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:46","end":"07:46","startHours":6.774233646738958,"endHours":7.774233646738958,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:46","end":"08:46","startHours":7.774233646738958,"endHours":8.774233646738958,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:46","end":"09:46","startHours":8.774233646738958,"endHours":9.774233646738958,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:46","end":"10:46","startHours":9.774233646738958,"endHours":10.774233646738958,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:46","end":"11:46","startHours":10.774233646738958,"endHours":11.774233646738958,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:46","end":"12:46","startHours":11.774233646738958,"endHours":12.774233646738958,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:46","end":"13:46","startHours":12.774233646738958,"endHours":13.774233646738958,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:46","end":"14:46","startHours":13.774233646738958,"endHours":14.774233646738958,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:46","end":"15:46","startHours":14.774233646738958,"endHours":15.774233646738958,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:46","end":"16:46","startHours":15.774233646738958,"endHours":16.774233646738956,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:46","end":"17:46","startHours":16.774233646738956,"endHours":17.774233646738956,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:46","end":"18:46","startHours":17.774233646738956,"endHours":18.774233646738956,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:46","end":"19:46","startHours":18.774233646738956,"endHours":19.774233646738956,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:46","end":"20:46","startHours":19.774233646738956,"endHours":20.774233646738956,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:46","end":"21:46","startHours":20.774233646738956,"endHours":21.774233646738956,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:46","end":"22:46","startHours":21.774233646738956,"endHours":22.774233646738956,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:46","end":"23:46","startHours":22.774233646738956,"endHours":23.774233646738956,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:46","end":"00:46","startHours":23.774233646738956,"endHours":24.774233646738956,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:46","end":"01:46","startHours":24.774233646738956,"endHours":25.774233646738956,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:46","end":"02:46","startHours":25.774233646738956,"endHours":26.774233646738956,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:46","end":"03:46","startHours":26.774233646738956,"endHours":27.774233646738956,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:46","end":"04:46","startHours":27.774233646738956,"endHours":28.774233646738956,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:46","end":"05:46","startHours":28.774233646738956,"endHours":29.774233646738956,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.168164031131048,"eotMinutes":6.610022173674397,"ayanamsa":23.5696}},"calendars":{"vikram_samvat":2036,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1901,"saka_samvatsara":"Siddhārthī","bengali_samvat":1386,"malayalam_era":1155,"nanakshahi_year":510,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvādaśī · Vikram 2036 Aṅgirasa · Śaka 1901 Siddhārthī"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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, 1979 CE · Ayodhyā · Vidhyamitra","description":"September 18, 1979 CE for Ayodhyā: Kṛṣṇa Dvādaśī, sūryodaya 05:46, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1979-09-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1979-09-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/1979-09-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/1979-09-18","x-default":"https://vidhyamitra.com/city/ayodhya/1979-09-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:00:12.850Z","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":"2026-05-31T09:00:12.850Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:00:12.850Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}