{"id":"vidhyamitra:city-day:vrindavan:1920-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1920-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-12-10","date_display":"December 10, 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":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422668.770833,"kali_year":5022,"ahargana":1834203.2708,"sun":{"sidereal_longitude":234.714,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":231.7206,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0066,"elapsed_within_tithi_degrees":9.0066},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.7206,"elapsed_within_degrees":5.0539},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.4346},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422668.770833,"ahargana":1834203.2708,"kali_year":5022,"ayanamsa_lahiri":22.7486,"grahas":{"sun":{"sidereal_longitude":234.94719499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":230.737395,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":2.6835},"mars":{"sidereal_longitude":287.928495,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":216.69219499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":145.737595,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":275.42059500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":151.81309499999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":195.0839,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":15.0839,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422668.770833,"kali_year":5022,"ahargana":1834203.2708,"sun":{"sidereal_longitude":234.714,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":231.7206,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":357.0066,"elapsed_within_tithi_degrees":9.0066},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":231.7206,"elapsed_within_degrees":5.0539},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":106.4346},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.684,"elongation":2.993},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.684,"opposition_distance":177.007}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:00","sunsetLocal":"17:26","solarNoonLocal":"12:13","dayLengthHours":10.443372366055556,"dayLengthDisplay":"10 Hours 26 Mins 36 Secs","nightLengthDisplay":"13 Hours 33 Mins 24 Secs","moonriseLocal":"06:43","moonsetLocal":"17:09","rahuKala":{"name":"Rāhu Kāla","start":"10:55","end":"12:13","startHours":10.910124921938806,"endHours":12.215546467695749,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:50","end":"16:08","startHours":14.826389559209638,"endHours":16.131811104966584,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:18","end":"09:36","startHours":8.299281830424917,"endHours":9.60470337618186,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:47","startHours":9.430647170080935,"endHours":9.778759582282786,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:26","end":"07:42","startHours":7.429000799920287,"endHours":7.707490729681768,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.867434055493897,"endHours":12.5636588798976,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:36","end":"06:18","startHours":5.601410635860564,"endHours":6.297635460264268,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"07:00","startHours":6.123579254163342,"endHours":6.993860284667972,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.956108528705009,"endHours":14.652333353108713,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.237232650723527,"endHours":17.637232650723526,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.437232650723526,"endHours":17.87237316597584,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.187232650723526,"endHours":18.937232650723526,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.867434055493895,"endHours":24.563658879897602,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:00","end":"08:18","startHours":6.993860284667972,"endHours":8.299281830424917,"quality":"neutral"},{"name":"Labha","start":"08:18","end":"09:36","startHours":8.299281830424917,"endHours":9.60470337618186,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:55","startHours":9.60470337618186,"endHours":10.910124921938806,"quality":"auspicious"},{"name":"Kāla","start":"10:55","end":"12:13","startHours":10.910124921938806,"endHours":12.215546467695749,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:31","startHours":12.215546467695749,"endHours":13.520968013452695,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:50","startHours":13.520968013452695,"endHours":14.826389559209638,"quality":"inauspicious"},{"name":"Udveg","start":"14:50","end":"16:08","startHours":14.826389559209638,"endHours":16.131811104966584,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:26","startHours":16.131811104966584,"endHours":17.437232650723526,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:26","end":"19:08","startHours":17.437232650723526,"endHours":19.13181110496658,"quality":"inauspicious"},{"name":"Udveg","start":"19:08","end":"20:50","startHours":19.13181110496658,"endHours":20.826389559209638,"quality":"inauspicious"},{"name":"Chala","start":"20:50","end":"22:31","startHours":20.826389559209638,"endHours":22.520968013452695,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:13","startHours":22.520968013452695,"endHours":24.21554646769575,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:55","startHours":24.21554646769575,"endHours":25.910124921938802,"quality":"auspicious"},{"name":"Kāla","start":"01:55","end":"03:36","startHours":25.910124921938802,"endHours":27.60470337618186,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:18","startHours":27.60470337618186,"endHours":29.299281830424917,"quality":"auspicious"},{"name":"Roga","start":"05:18","end":"07:00","startHours":29.299281830424917,"endHours":30.99386028466797,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.993860284667972,"endHours":7.993860284667972,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.993860284667972,"endHours":8.99386028466797,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.99386028466797,"endHours":9.99386028466797,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.99386028466797,"endHours":10.99386028466797,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.99386028466797,"endHours":11.99386028466797,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.99386028466797,"endHours":12.99386028466797,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.99386028466797,"endHours":13.99386028466797,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.99386028466797,"endHours":14.99386028466797,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.99386028466797,"endHours":15.99386028466797,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.99386028466797,"endHours":16.99386028466797,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.99386028466797,"endHours":17.99386028466797,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.99386028466797,"endHours":18.99386028466797,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.99386028466797,"endHours":19.99386028466797,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.99386028466797,"endHours":20.99386028466797,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.99386028466797,"endHours":21.99386028466797,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.99386028466797,"endHours":22.99386028466797,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.99386028466797,"endHours":23.99386028466797,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.99386028466797,"endHours":24.99386028466797,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.99386028466797,"endHours":25.99386028466797,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.99386028466797,"endHours":26.99386028466797,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.99386028466797,"endHours":27.99386028466797,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.99386028466797,"endHours":28.99386028466797,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.99386028466797,"endHours":29.99386028466797,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.99386028466797,"endHours":30.99386028466797,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.86719902613518,"eotMinutes":6.4300119382551255,"ayanamsa":22.7486}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Amāvasyā · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā + Jyeṣṭhā","url":"/day/-3137-10-20","relevance":1}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 10, 1920 CE · Vṛndāvana · Vidhyamitra","description":"December 10, 1920 CE for Vṛndāvana: Kṛṣṇa Amāvasyā, sūryodaya 07:00, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1920-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1920-12-10","sa":"https://sa.vidhyamitra.com/city/vrindavan/1920-12-10","hi":"https://hi.vidhyamitra.com/city/vrindavan/1920-12-10","x-default":"https://vidhyamitra.com/city/vrindavan/1920-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T06:21:00.571Z","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":"2026-06-01T06:21:00.571Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T06:21:00.571Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}