{"id":"vidhyamitra:city-day:ayodhya:1980-07-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1980-07-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-07-12","date_display":"July 12, 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":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444432.770833,"kali_year":5082,"ahargana":1855967.2708,"sun":{"sidereal_longitude":85.9022,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":84.6226,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.7204,"elapsed_within_tithi_degrees":10.7204},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.6226,"elapsed_within_degrees":4.6226},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.5248},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1980,"month":7,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444432.770833,"ahargana":1855967.2708,"kali_year":5082,"ayanamsa_lahiri":23.581,"grahas":{"sun":{"sidereal_longitude":86.26765,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":83.29165,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false,"latitude":-2.7252},"mars":{"sidereal_longitude":157.42105000000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":86.02035000000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":134.24334999999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":53.13485000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":148.44635,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":121.9225,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.9225,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":1980,"month":7,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444432.770833,"kali_year":5082,"ahargana":1855967.2708,"sun":{"sidereal_longitude":85.9022,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":84.6226,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.7204,"elapsed_within_tithi_degrees":10.7204},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":84.6226,"elapsed_within_degrees":4.6226},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":170.5248},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.725,"elongation":1.28},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.725,"opposition_distance":178.72}},"eclipse_window_40days":[{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":1.393,"opposition_distance":1.959}]},"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":"05:15","sunsetLocal":"18:58","solarNoonLocal":"12:06","dayLengthHours":13.704908106698687,"dayLengthDisplay":"13 Hours 42 Mins 18 Secs","nightLengthDisplay":"10 Hours 17 Mins 42 Secs","moonriseLocal":"05:04","moonsetLocal":"18:45","rahuKala":{"name":"Rāhu Kāla","start":"08:41","end":"10:24","startHours":8.680820805442913,"endHours":10.393934318780248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:49","end":"15:32","startHours":13.82016134545492,"endHours":15.533274858792256,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:15","end":"06:58","startHours":5.254593778768241,"endHours":6.967707292105577,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:27","end":"08:55","startHours":8.452405670331267,"endHours":8.909235940554558,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:50","end":"06:11","startHours":5.825631616547353,"endHours":6.191095832725985,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:34","startHours":11.650217561894296,"endHours":12.563878102340874,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:26","end":"04:20","startHours":3.4272726978750825,"endHours":4.340933238321662,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:07","end":"05:15","startHours":4.112518103210017,"endHours":5.254593778768241,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:18","startHours":14.391199183234031,"endHours":15.30485972368061,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:46","end":"19:10","startHours":18.75950188546693,"endHours":19.159501885466927,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:58","end":"19:32","startHours":18.959501885466928,"endHours":19.53053972324604,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:43","end":"20:28","startHours":18.709501885466928,"endHours":20.459501885466928,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:34","startHours":23.650217561894298,"endHours":24.563878102340876,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:15","end":"06:58","startHours":5.254593778768241,"endHours":6.967707292105577,"quality":"inauspicious"},{"name":"Śubha","start":"06:58","end":"08:41","startHours":6.967707292105577,"endHours":8.680820805442913,"quality":"auspicious"},{"name":"Roga","start":"08:41","end":"10:24","startHours":8.680820805442913,"endHours":10.393934318780248,"quality":"inauspicious"},{"name":"Udveg","start":"10:24","end":"12:06","startHours":10.393934318780248,"endHours":12.107047832117583,"quality":"inauspicious"},{"name":"Chala","start":"12:06","end":"13:49","startHours":12.107047832117583,"endHours":13.82016134545492,"quality":"neutral"},{"name":"Labha","start":"13:49","end":"15:32","startHours":13.82016134545492,"endHours":15.533274858792256,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"17:15","startHours":15.533274858792256,"endHours":17.246388372129594,"quality":"auspicious"},{"name":"Kāla","start":"17:15","end":"18:58","startHours":17.246388372129594,"endHours":18.959501885466928,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:58","end":"20:15","startHours":18.959501885466928,"endHours":20.24638837212959,"quality":"auspicious"},{"name":"Amṛta","start":"20:15","end":"21:32","startHours":20.24638837212959,"endHours":21.533274858792257,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"22:49","startHours":21.533274858792257,"endHours":22.82016134545492,"quality":"inauspicious"},{"name":"Śubha","start":"22:49","end":"00:06","startHours":22.82016134545492,"endHours":24.107047832117583,"quality":"auspicious"},{"name":"Roga","start":"00:06","end":"01:24","startHours":24.107047832117583,"endHours":25.393934318780246,"quality":"inauspicious"},{"name":"Udveg","start":"01:24","end":"02:41","startHours":25.393934318780246,"endHours":26.680820805442913,"quality":"inauspicious"},{"name":"Chala","start":"02:41","end":"03:58","startHours":26.680820805442913,"endHours":27.967707292105576,"quality":"neutral"},{"name":"Labha","start":"03:58","end":"05:15","startHours":27.967707292105576,"endHours":29.25459377876824,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:15","end":"06:15","startHours":5.254593778768241,"endHours":6.254593778768241,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:15","end":"07:15","startHours":6.254593778768241,"endHours":7.254593778768241,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:15","end":"08:15","startHours":7.254593778768241,"endHours":8.25459377876824,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:15","end":"09:15","startHours":8.25459377876824,"endHours":9.25459377876824,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:15","end":"10:15","startHours":9.25459377876824,"endHours":10.25459377876824,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:15","end":"11:15","startHours":10.25459377876824,"endHours":11.25459377876824,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:15","end":"12:15","startHours":11.25459377876824,"endHours":12.25459377876824,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:15","end":"13:15","startHours":12.25459377876824,"endHours":13.25459377876824,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:15","end":"14:15","startHours":13.25459377876824,"endHours":14.25459377876824,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:15","end":"15:15","startHours":14.25459377876824,"endHours":15.25459377876824,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:15","end":"16:15","startHours":15.25459377876824,"endHours":16.25459377876824,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:15","end":"17:15","startHours":16.25459377876824,"endHours":17.25459377876824,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:15","end":"18:15","startHours":17.25459377876824,"endHours":18.25459377876824,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:15","end":"19:15","startHours":18.25459377876824,"endHours":19.25459377876824,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:15","end":"20:15","startHours":19.25459377876824,"endHours":20.25459377876824,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:15","end":"21:15","startHours":20.25459377876824,"endHours":21.25459377876824,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:15","end":"22:15","startHours":21.25459377876824,"endHours":22.25459377876824,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:15","end":"23:15","startHours":22.25459377876824,"endHours":23.25459377876824,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:15","end":"00:15","startHours":23.25459377876824,"endHours":24.25459377876824,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:15","end":"01:15","startHours":24.25459377876824,"endHours":25.25459377876824,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:15","end":"02:15","startHours":25.25459377876824,"endHours":26.25459377876824,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:15","end":"03:15","startHours":26.25459377876824,"endHours":27.25459377876824,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:15","end":"04:15","startHours":27.25459377876824,"endHours":28.25459377876824,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:15","end":"05:15","startHours":28.25459377876824,"endHours":29.25459377876824,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.968963427025248,"eotMinutes":-5.238869927055064,"ayanamsa":23.581}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Amāvasyā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 July 12, 1980 CE · Ayodhyā · Vidhyamitra","description":"July 12, 1980 CE for Ayodhyā: Kṛṣṇa Amāvasyā, sūryodaya 05:15, sūryāsta 18:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1980-07-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1980-07-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1980-07-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1980-07-12","x-default":"https://vidhyamitra.com/city/ayodhya/1980-07-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T08:11:36.405Z","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":"2026-05-20T08:11:36.405Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T08:11:36.405Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}