{"id":"vidhyamitra:city-day:ayodhya:1920-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1920-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-01-21","date_display":"January 21, 1920 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":1920,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422344.770833,"kali_year":5021,"ahargana":1833879.2708,"sun":{"sidereal_longitude":277.0917,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":274.8016,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.7099,"elapsed_within_tithi_degrees":9.7099},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.8016,"elapsed_within_degrees":8.1349},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.8933},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1920,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422344.770833,"ahargana":1833879.2708,"kali_year":5021,"ayanamsa_lahiri":22.7362,"grahas":{"sun":{"sidereal_longitude":276.968074,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":274.88177399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":3.9925},"mars":{"sidereal_longitude":184.01277400000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":267.90167399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":112.48877399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":238.1554739999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":138.65567399999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":212.251,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.251,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1920,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422344.770833,"kali_year":5021,"ahargana":1833879.2708,"sun":{"sidereal_longitude":277.0917,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":274.8016,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.7099,"elapsed_within_tithi_degrees":9.7099},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.8016,"elapsed_within_degrees":8.1349},"yoga":{"number":15,"name":"Vajra","sum_longitude":191.8933},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.993,"elongation":2.29},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.993,"opposition_distance":177.71}},"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":"17:34","solarNoonLocal":"12:12","dayLengthHours":10.70585744194463,"dayLengthDisplay":"10 Hours 42 Mins 21 Secs","nightLengthDisplay":"13 Hours 17 Mins 39 Secs","moonriseLocal":"06:45","moonsetLocal":"17:23","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:33","startHours":12.207328854152202,"endHours":13.54556103439528,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:12","end":"09:32","startHours":8.192632313422965,"endHours":9.530864493666044,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:52","end":"12:12","startHours":10.869096673909123,"endHours":12.207328854152202,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:43","startHours":9.352433536300301,"endHours":9.709295451031789,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.300477526594247,"endHours":7.585967058379437,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:34","startHours":11.850466939420714,"endHours":12.56419076888369,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.4269524742539375,"endHours":6.140676303716912,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:51","startHours":5.962245346351168,"endHours":6.854400133179888,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:42","startHours":13.99163842780964,"endHours":14.705362257272615,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.360257575124518,"endHours":17.760257575124516,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:00","startHours":17.560257575124517,"endHours":18.006334968538876,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.310257575124517,"endHours":19.060257575124517,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:34","startHours":23.850466939420713,"endHours":24.56419076888369,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:51","end":"08:12","startHours":6.854400133179888,"endHours":8.192632313422965,"quality":"auspicious"},{"name":"Amṛta","start":"08:12","end":"09:32","startHours":8.192632313422965,"endHours":9.530864493666044,"quality":"auspicious"},{"name":"Kāla","start":"09:32","end":"10:52","startHours":9.530864493666044,"endHours":10.869096673909123,"quality":"inauspicious"},{"name":"Śubha","start":"10:52","end":"12:12","startHours":10.869096673909123,"endHours":12.207328854152202,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:33","startHours":12.207328854152202,"endHours":13.54556103439528,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"14:53","startHours":13.54556103439528,"endHours":14.88379321463836,"quality":"inauspicious"},{"name":"Chala","start":"14:53","end":"16:13","startHours":14.88379321463836,"endHours":16.222025394881438,"quality":"neutral"},{"name":"Labha","start":"16:13","end":"17:34","startHours":16.222025394881438,"endHours":17.560257575124517,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:34","end":"19:13","startHours":17.560257575124517,"endHours":19.222025394881438,"quality":"inauspicious"},{"name":"Chala","start":"19:13","end":"20:53","startHours":19.222025394881438,"endHours":20.88379321463836,"quality":"neutral"},{"name":"Labha","start":"20:53","end":"22:33","startHours":20.88379321463836,"endHours":22.54556103439528,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:12","startHours":22.54556103439528,"endHours":24.207328854152202,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:52","startHours":24.207328854152202,"endHours":25.869096673909123,"quality":"inauspicious"},{"name":"Śubha","start":"01:52","end":"03:32","startHours":25.869096673909123,"endHours":27.530864493666044,"quality":"auspicious"},{"name":"Roga","start":"03:32","end":"05:12","startHours":27.530864493666044,"endHours":29.192632313422965,"quality":"inauspicious"},{"name":"Udveg","start":"05:12","end":"06:51","startHours":29.192632313422965,"endHours":30.854400133179887,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.854400133179888,"endHours":7.854400133179888,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.854400133179888,"endHours":8.854400133179887,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.854400133179887,"endHours":9.854400133179887,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.854400133179887,"endHours":10.854400133179887,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.854400133179887,"endHours":11.854400133179887,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.854400133179887,"endHours":12.854400133179887,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.854400133179887,"endHours":13.854400133179887,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.854400133179887,"endHours":14.854400133179887,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.854400133179887,"endHours":15.854400133179887,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.854400133179887,"endHours":16.854400133179887,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.854400133179887,"endHours":17.854400133179887,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.854400133179887,"endHours":18.854400133179887,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.854400133179887,"endHours":19.854400133179887,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.854400133179887,"endHours":20.854400133179887,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.854400133179887,"endHours":21.854400133179887,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.854400133179887,"endHours":22.854400133179887,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.854400133179887,"endHours":23.854400133179887,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.854400133179887,"endHours":24.854400133179887,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.854400133179887,"endHours":25.854400133179887,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.854400133179887,"endHours":26.854400133179887,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.854400133179887,"endHours":27.854400133179887,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.854400133179887,"endHours":28.854400133179887,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.854400133179887,"endHours":29.854400133179887,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.854400133179887,"endHours":30.854400133179887,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.210382062089668,"eotMinutes":-11.255731249132124,"ayanamsa":22.7362}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Amāvasyā · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","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 21, 1920 CE · Ayodhyā · Vidhyamitra","description":"January 21, 1920 CE for Ayodhyā: Kṛṣṇa Amāvasyā, sūryodaya 06:51, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1920-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1920-01-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1920-01-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1920-01-21","x-default":"https://vidhyamitra.com/city/ayodhya/1920-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T23:51:00.519Z","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":"2026-05-18T23:51:00.519Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T23:51:00.519Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}