{"id":"vidhyamitra:city-day:varanasi:1920-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1920-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-08-13","date_display":"August 13, 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":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422549.770833,"kali_year":5022,"ahargana":1834084.2708,"sun":{"sidereal_longitude":116.8087,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":103.199,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.3903,"elapsed_within_tithi_degrees":10.3903},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.199,"elapsed_within_degrees":9.8657},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.0078},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422549.770833,"ahargana":1834084.2708,"kali_year":5022,"ayanamsa_lahiri":22.744,"grahas":{"sun":{"sidereal_longitude":117.223841,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":101.69704100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-4.454},"mars":{"sidereal_longitude":204.63624099999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":99.85254099999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":124.68404099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":129.44064099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":139.360641,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":201.3891,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":21.3891,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1920,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422549.770833,"kali_year":5022,"ahargana":1834084.2708,"sun":{"sidereal_longitude":116.8087,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":103.199,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":346.3903,"elapsed_within_tithi_degrees":10.3903},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":103.199,"elapsed_within_degrees":9.8657},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.0078},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.454,"elongation":13.61},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.454,"opposition_distance":166.39}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:30","sunsetLocal":"18:35","solarNoonLocal":"12:03","dayLengthHours":13.087153896354735,"dayLengthDisplay":"13 Hours 05 Mins 14 Secs","nightLengthDisplay":"10 Hours 54 Mins 46 Secs","moonriseLocal":"04:20","moonsetLocal":"17:41","rahuKala":{"name":"Rāhu Kāla","start":"10:25","end":"12:03","startHours":10.408537775259251,"endHours":12.044432012303592,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:19","end":"16:57","startHours":15.316220486392275,"endHours":16.95211472343662,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:08","end":"08:46","startHours":7.136749301170567,"endHours":8.772643538214908,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.554524306608997,"endHours":8.99076276982082,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.046153143141005,"endHours":6.395143913710465,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:29","startHours":11.608193549091768,"endHours":12.480670475515415,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:45","end":"04:38","startHours":3.7559012112789265,"endHours":4.628378137702576,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:25","end":"05:30","startHours":4.410258906096663,"endHours":5.500855064126225,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.225624328362716,"endHours":15.098101254786366,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:23","end":"18:47","startHours":18.38800896048096,"endHours":18.78800896048096,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:35","end":"19:08","startHours":18.58800896048096,"endHours":19.13330703949574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:20","end":"20:05","startHours":18.33800896048096,"endHours":20.08800896048096,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:29","startHours":23.608193549091766,"endHours":24.480670475515417,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:30","end":"07:08","startHours":5.500855064126225,"endHours":7.136749301170567,"quality":"neutral"},{"name":"Labha","start":"07:08","end":"08:46","startHours":7.136749301170567,"endHours":8.772643538214908,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:25","startHours":8.772643538214908,"endHours":10.408537775259251,"quality":"auspicious"},{"name":"Kāla","start":"10:25","end":"12:03","startHours":10.408537775259251,"endHours":12.044432012303592,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:41","startHours":12.044432012303592,"endHours":13.680326249347935,"quality":"auspicious"},{"name":"Roga","start":"13:41","end":"15:19","startHours":13.680326249347935,"endHours":15.316220486392275,"quality":"inauspicious"},{"name":"Udveg","start":"15:19","end":"16:57","startHours":15.316220486392275,"endHours":16.95211472343662,"quality":"inauspicious"},{"name":"Chala","start":"16:57","end":"18:35","startHours":16.95211472343662,"endHours":18.58800896048096,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:35","end":"19:57","startHours":18.58800896048096,"endHours":19.952114723436615,"quality":"inauspicious"},{"name":"Udveg","start":"19:57","end":"21:19","startHours":19.952114723436615,"endHours":21.316220486392275,"quality":"inauspicious"},{"name":"Chala","start":"21:19","end":"22:41","startHours":21.316220486392275,"endHours":22.680326249347935,"quality":"neutral"},{"name":"Labha","start":"22:41","end":"00:03","startHours":22.680326249347935,"endHours":24.04443201230359,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:25","startHours":24.04443201230359,"endHours":25.408537775259248,"quality":"auspicious"},{"name":"Kāla","start":"01:25","end":"02:46","startHours":25.408537775259248,"endHours":26.772643538214908,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:08","startHours":26.772643538214908,"endHours":28.136749301170568,"quality":"auspicious"},{"name":"Roga","start":"04:08","end":"05:30","startHours":28.136749301170568,"endHours":29.500855064126224,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:30","end":"06:30","startHours":5.500855064126225,"endHours":6.500855064126225,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:30","end":"07:30","startHours":6.500855064126225,"endHours":7.500855064126225,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:30","end":"08:30","startHours":7.500855064126225,"endHours":8.500855064126224,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:30","end":"09:30","startHours":8.500855064126224,"endHours":9.500855064126224,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:30","end":"10:30","startHours":9.500855064126224,"endHours":10.500855064126224,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:30","end":"11:30","startHours":10.500855064126224,"endHours":11.500855064126224,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:30","end":"12:30","startHours":11.500855064126224,"endHours":12.500855064126224,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:30","end":"13:30","startHours":12.500855064126224,"endHours":13.500855064126224,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:30","end":"14:30","startHours":13.500855064126224,"endHours":14.500855064126224,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:30","end":"15:30","startHours":14.500855064126224,"endHours":15.500855064126224,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:30","end":"16:30","startHours":15.500855064126224,"endHours":16.500855064126224,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:30","end":"17:30","startHours":16.500855064126224,"endHours":17.500855064126224,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:30","end":"18:30","startHours":17.500855064126224,"endHours":18.500855064126224,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:30","end":"19:30","startHours":18.500855064126224,"endHours":19.500855064126224,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:30","end":"20:30","startHours":19.500855064126224,"endHours":20.500855064126224,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:30","end":"21:30","startHours":20.500855064126224,"endHours":21.500855064126224,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:30","end":"22:30","startHours":21.500855064126224,"endHours":22.500855064126224,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:30","end":"23:30","startHours":22.500855064126224,"endHours":23.500855064126224,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:30","end":"00:30","startHours":23.500855064126224,"endHours":24.500855064126224,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:30","end":"01:30","startHours":24.500855064126224,"endHours":25.500855064126224,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:30","end":"02:30","startHours":25.500855064126224,"endHours":26.500855064126224,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:30","end":"03:30","startHours":26.500855064126224,"endHours":27.500855064126224,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:30","end":"04:30","startHours":27.500855064126224,"endHours":28.500855064126224,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:30","end":"05:30","startHours":28.500855064126224,"endHours":29.500855064126224,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.822681371011447,"eotMinutes":-4.561520738215509,"ayanamsa":22.744}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Caturdaśī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 13, 1920 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"August 13, 1920 CE for Vārāṇasī (Kāśī): Kṛṣṇa Caturdaśī, sūryodaya 05:30, sūryāsta 18:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1920-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1920-08-13","sa":"https://sa.vidhyamitra.com/city/varanasi/1920-08-13","hi":"https://hi.vidhyamitra.com/city/varanasi/1920-08-13","x-default":"https://vidhyamitra.com/city/varanasi/1920-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T13:45:54.502Z","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":"2026-05-14T13:45:54.502Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T13:45:54.502Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}