{"id":"vidhyamitra:city-day:ayodhya:1980-01-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1980-01-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1980-01-02","date_display":"January 2, 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":1,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444240.770833,"kali_year":5081,"ahargana":1855775.2708,"sun":{"sidereal_longitude":257.0347,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":74.5801,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.5455,"elapsed_within_tithi_degrees":9.5455},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.5801,"elapsed_within_degrees":7.9135},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6148},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444240.770833,"ahargana":1855775.2708,"kali_year":5081,"ayanamsa_lahiri":23.5736,"grahas":{"sun":{"sidereal_longitude":257.21598599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":73.18328600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false,"latitude":-3.7948},"mars":{"sidereal_longitude":140.86388599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":246.250986,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":136.372386,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":289.391986,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":153.23948599999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":132.0955,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":312.0955,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444240.770833,"kali_year":5081,"ahargana":1855775.2708,"sun":{"sidereal_longitude":257.0347,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":74.5801,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.5455,"elapsed_within_tithi_degrees":9.5455},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":74.5801,"elapsed_within_degrees":7.9135},"yoga":{"number":25,"name":"Brahma","sum_longitude":331.6148},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.795,"elongation":177.545},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.795,"opposition_distance":2.455}},"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":"06:51","sunsetLocal":"17:20","solarNoonLocal":"12:05","dayLengthHours":10.487498261722493,"dayLengthDisplay":"10 Hours 29 Mins 15 Secs","nightLengthDisplay":"13 Hours 30 Mins 45 Secs","moonriseLocal":"16:56","moonsetLocal":"06:42","rahuKala":{"name":"Rāhu Kāla","start":"12:05","end":"13:24","startHours":12.088895168089223,"endHours":13.399832450804535,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:09","end":"09:28","startHours":8.156083319943289,"endHours":9.4670206026586,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:47","end":"12:05","startHours":10.777957885373912,"endHours":12.088895168089223,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:39","startHours":9.292228964963225,"endHours":9.641812240353975,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:34","startHours":7.282125131466414,"endHours":7.5617917517790145,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:26","startHours":11.739311892698474,"endHours":12.438478443479973,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.446812935664978,"endHours":6.145979486446477,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.971187848751103,"endHours":6.845146037227977,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:50","end":"14:32","startHours":13.836811545042973,"endHours":14.535978095824474,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.13264429895047,"endHours":17.53264429895047,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.33264429895047,"endHours":17.76962339318891,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.08264429895047,"endHours":18.83264429895047,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:26","startHours":23.739311892698474,"endHours":24.438478443479973,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:51","end":"08:09","startHours":6.845146037227977,"endHours":8.156083319943289,"quality":"auspicious"},{"name":"Amṛta","start":"08:09","end":"09:28","startHours":8.156083319943289,"endHours":9.4670206026586,"quality":"auspicious"},{"name":"Kāla","start":"09:28","end":"10:47","startHours":9.4670206026586,"endHours":10.777957885373912,"quality":"inauspicious"},{"name":"Śubha","start":"10:47","end":"12:05","startHours":10.777957885373912,"endHours":12.088895168089223,"quality":"auspicious"},{"name":"Roga","start":"12:05","end":"13:24","startHours":12.088895168089223,"endHours":13.399832450804535,"quality":"inauspicious"},{"name":"Udveg","start":"13:24","end":"14:43","startHours":13.399832450804535,"endHours":14.710769733519847,"quality":"inauspicious"},{"name":"Chala","start":"14:43","end":"16:01","startHours":14.710769733519847,"endHours":16.02170701623516,"quality":"neutral"},{"name":"Labha","start":"16:01","end":"17:20","startHours":16.02170701623516,"endHours":17.33264429895047,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:20","end":"19:01","startHours":17.33264429895047,"endHours":19.02170701623516,"quality":"inauspicious"},{"name":"Chala","start":"19:01","end":"20:43","startHours":19.02170701623516,"endHours":20.710769733519847,"quality":"neutral"},{"name":"Labha","start":"20:43","end":"22:24","startHours":20.710769733519847,"endHours":22.399832450804535,"quality":"auspicious"},{"name":"Amṛta","start":"22:24","end":"00:05","startHours":22.399832450804535,"endHours":24.088895168089223,"quality":"auspicious"},{"name":"Kāla","start":"00:05","end":"01:47","startHours":24.088895168089223,"endHours":25.77795788537391,"quality":"inauspicious"},{"name":"Śubha","start":"01:47","end":"03:28","startHours":25.77795788537391,"endHours":27.4670206026586,"quality":"auspicious"},{"name":"Roga","start":"03:28","end":"05:09","startHours":27.4670206026586,"endHours":29.15608331994329,"quality":"inauspicious"},{"name":"Udveg","start":"05:09","end":"06:51","startHours":29.15608331994329,"endHours":30.845146037227977,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.845146037227977,"endHours":7.845146037227977,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.845146037227977,"endHours":8.845146037227977,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.845146037227977,"endHours":9.845146037227977,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.845146037227977,"endHours":10.845146037227977,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.845146037227977,"endHours":11.845146037227977,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.845146037227977,"endHours":12.845146037227977,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.845146037227977,"endHours":13.845146037227977,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.845146037227977,"endHours":14.845146037227977,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.845146037227977,"endHours":15.845146037227977,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.845146037227977,"endHours":16.845146037227977,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.845146037227977,"endHours":17.845146037227977,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.845146037227977,"endHours":18.845146037227977,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.845146037227977,"endHours":19.845146037227977,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.845146037227977,"endHours":20.845146037227977,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.845146037227977,"endHours":21.845146037227977,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.845146037227977,"endHours":22.845146037227977,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.845146037227977,"endHours":23.845146037227977,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.845146037227977,"endHours":24.845146037227977,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.845146037227977,"endHours":25.845146037227977,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.845146037227977,"endHours":26.845146037227977,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.845146037227977,"endHours":27.845146037227977,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.845146037227977,"endHours":28.845146037227977,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.845146037227977,"endHours":29.845146037227977,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.845146037227977,"endHours":30.845146037227977,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.998128769393425,"eotMinutes":-4.149710085353452,"ayanamsa":23.5736}},"calendars":{"vikram_samvat":2037,"vikram_samvatsara":"Śrīmukha","saka_samvat":1902,"saka_samvatsara":"Raudra","bengali_samvat":1387,"malayalam_era":1156,"nanakshahi_year":511,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2037 Śrīmukha · Śaka 1902 Raudra"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 January 2, 1980 CE · Ayodhyā · Vidhyamitra","description":"January 2, 1980 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:51, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1980-01-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1980-01-02","sa":"https://sa.vidhyamitra.com/city/ayodhya/1980-01-02","hi":"https://hi.vidhyamitra.com/city/ayodhya/1980-01-02","x-default":"https://vidhyamitra.com/city/ayodhya/1980-01-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:21:03.411Z","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":"2026-05-31T17:21:03.411Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:21:03.411Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}