{"id":"vidhyamitra:city-day:ayodhya:1980-09-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1980-09-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-09-22","date_display":"September 22, 1980 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":1980,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444504.770833,"kali_year":5082,"ahargana":1856039.2708,"sun":{"sidereal_longitude":154.9149,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":301.9399,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.025,"elapsed_within_tithi_degrees":3.025},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.9399,"elapsed_within_degrees":8.6066},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.8548},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":1980,"month":9,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444504.770833,"ahargana":1856039.2708,"kali_year":5082,"ayanamsa_lahiri":23.5837,"grahas":{"sun":{"sidereal_longitude":155.60759899999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":301.28549899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":-0.3005},"mars":{"sidereal_longitude":202.61069900000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":175.42669899999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":149.026699,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":112.08669900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":156.222799,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":118.1075,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":298.1075,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"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":1980,"month":9,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444504.770833,"kali_year":5082,"ahargana":1856039.2708,"sun":{"sidereal_longitude":154.9149,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":301.9399,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.025,"elapsed_within_tithi_degrees":3.025},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":301.9399,"elapsed_within_degrees":8.6066},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.8548},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.3,"elongation":147.025},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.3,"opposition_distance":32.975}},"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":"05:49","sunsetLocal":"17:57","solarNoonLocal":"11:53","dayLengthHours":12.146099935789,"dayLengthDisplay":"12 Hours 08 Mins 46 Secs","nightLengthDisplay":"11 Hours 51 Mins 14 Secs","moonriseLocal":"16:00","moonsetLocal":"03:11","rahuKala":{"name":"Rāhu Kāla","start":"07:20","end":"08:51","startHours":7.330350796760488,"endHours":8.848613288734112,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:22","end":"11:53","startHours":10.366875780707737,"endHours":11.885138272681363,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:24","end":"14:55","startHours":13.403400764654986,"endHours":14.921663256628612,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.646178289804297,"endHours":9.05104828766393,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:39","startHours":6.318175802111404,"endHours":6.642071800399111,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:17","startHours":11.480268274821729,"endHours":12.290008270540994,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:12","end":"05:00","startHours":4.192608313348329,"endHours":5.002348309067596,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:49","startHours":4.799913310137779,"endHours":5.812088304786863,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:43","startHours":13.90948826197953,"endHours":14.719228257698797,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:45","end":"18:09","startHours":17.758188240575862,"endHours":18.15818824057586,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:57","end":"18:28","startHours":17.95818824057586,"endHours":18.464275737900405,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:42","end":"19:27","startHours":17.70818824057586,"endHours":19.45818824057586,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:17","startHours":23.480268274821725,"endHours":24.290008270540994,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:49","end":"07:20","startHours":5.812088304786863,"endHours":7.330350796760488,"quality":"auspicious"},{"name":"Kāla","start":"07:20","end":"08:51","startHours":7.330350796760488,"endHours":8.848613288734112,"quality":"inauspicious"},{"name":"Śubha","start":"08:51","end":"10:22","startHours":8.848613288734112,"endHours":10.366875780707737,"quality":"auspicious"},{"name":"Roga","start":"10:22","end":"11:53","startHours":10.366875780707737,"endHours":11.885138272681363,"quality":"inauspicious"},{"name":"Udveg","start":"11:53","end":"13:24","startHours":11.885138272681363,"endHours":13.403400764654986,"quality":"inauspicious"},{"name":"Chala","start":"13:24","end":"14:55","startHours":13.403400764654986,"endHours":14.921663256628612,"quality":"neutral"},{"name":"Labha","start":"14:55","end":"16:26","startHours":14.921663256628612,"endHours":16.43992574860224,"quality":"auspicious"},{"name":"Amṛta","start":"16:26","end":"17:57","startHours":16.43992574860224,"endHours":17.95818824057586,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:57","end":"19:26","startHours":17.95818824057586,"endHours":19.439925748602235,"quality":"neutral"},{"name":"Labha","start":"19:26","end":"20:55","startHours":19.439925748602235,"endHours":20.921663256628612,"quality":"auspicious"},{"name":"Amṛta","start":"20:55","end":"22:24","startHours":20.921663256628612,"endHours":22.403400764654986,"quality":"auspicious"},{"name":"Kāla","start":"22:24","end":"23:53","startHours":22.403400764654986,"endHours":23.88513827268136,"quality":"inauspicious"},{"name":"Śubha","start":"23:53","end":"01:22","startHours":23.88513827268136,"endHours":25.366875780707737,"quality":"auspicious"},{"name":"Roga","start":"01:22","end":"02:51","startHours":25.366875780707737,"endHours":26.84861328873411,"quality":"inauspicious"},{"name":"Udveg","start":"02:51","end":"04:20","startHours":26.84861328873411,"endHours":28.330350796760484,"quality":"inauspicious"},{"name":"Chala","start":"04:20","end":"05:49","startHours":28.330350796760484,"endHours":29.81208830478686,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.812088304786863,"endHours":6.812088304786863,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.812088304786863,"endHours":7.812088304786863,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.812088304786863,"endHours":8.812088304786862,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.812088304786862,"endHours":9.812088304786862,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.812088304786862,"endHours":10.812088304786862,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.812088304786862,"endHours":11.812088304786862,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.812088304786862,"endHours":12.812088304786862,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.812088304786862,"endHours":13.812088304786862,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.812088304786862,"endHours":14.812088304786862,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.812088304786862,"endHours":15.812088304786862,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.812088304786862,"endHours":16.81208830478686,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.81208830478686,"endHours":17.81208830478686,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.81208830478686,"endHours":18.81208830478686,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.81208830478686,"endHours":19.81208830478686,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.81208830478686,"endHours":20.81208830478686,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.81208830478686,"endHours":21.81208830478686,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.81208830478686,"endHours":22.81208830478686,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.81208830478686,"endHours":23.81208830478686,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.81208830478686,"endHours":24.81208830478686,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.81208830478686,"endHours":25.81208830478686,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.81208830478686,"endHours":26.81208830478686,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.81208830478686,"endHours":27.81208830478686,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.81208830478686,"endHours":28.81208830478686,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.81208830478686,"endHours":29.81208830478686,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.3216376487857994,"eotMinutes":8.075703639118354,"ayanamsa":23.5837}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"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 Trayodaśī · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 22, 1980 CE · Ayodhyā · Vidhyamitra","description":"September 22, 1980 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 05:49, sūryāsta 17:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1980-09-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1980-09-22","sa":"https://sa.vidhyamitra.com/city/ayodhya/1980-09-22","hi":"https://hi.vidhyamitra.com/city/ayodhya/1980-09-22","x-default":"https://vidhyamitra.com/city/ayodhya/1980-09-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:20:47.822Z","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":"2026-05-31T14:20:47.822Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:20:47.822Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}