{"id":"vidhyamitra:city-day:jamnagar:1920-12-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1920-12-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-12-07","date_display":"December 7, 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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422665.770833,"kali_year":5022,"ahargana":1834200.2708,"sun":{"sidereal_longitude":231.6409,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":192.8295,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.1885,"elapsed_within_tithi_degrees":9.1885},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.8295,"elapsed_within_degrees":6.1628},"yoga":{"number":5,"name":"Śobhana","sum_longitude":64.4704},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422665.770833,"ahargana":1834200.2708,"kali_year":5022,"ayanamsa_lahiri":22.7485,"grahas":{"sun":{"sidereal_longitude":231.89880900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":194.132109,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-0.1893},"mars":{"sidereal_longitude":285.61250900000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":212.87060900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":145.49680899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":271.80860899999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":151.666609,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":195.2429,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":15.2429,"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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422665.770833,"kali_year":5022,"ahargana":1834200.2708,"sun":{"sidereal_longitude":231.6409,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":192.8295,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.1885,"elapsed_within_tithi_degrees":9.1885},"nakshatra":{"number":15,"name":"Svātī","pada":2,"moon_longitude":192.8295,"elapsed_within_degrees":6.1628},"yoga":{"number":5,"name":"Śobhana","sum_longitude":64.4704},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.189,"elongation":38.811},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.189,"opposition_distance":141.189}},"eclipse_window_40days":[]},"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jamnagar","name":"Jamnagar, Gujarat","lat":22.4707,"lon":70.0577,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"07:18","sunsetLocal":"18:06","solarNoonLocal":"12:42","dayLengthHours":10.813116144031923,"dayLengthDisplay":"10 Hours 48 Mins 47 Secs","nightLengthDisplay":"13 Hours 11 Mins 13 Secs","moonriseLocal":"04:32","moonsetLocal":"15:50","rahuKala":{"name":"Rāhu Kāla","start":"15:24","end":"16:45","startHours":15.404037427285694,"endHours":16.755676945289682,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:00","end":"11:21","startHours":9.997479355269732,"endHours":11.34911887327372,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:42","end":"14:03","startHours":12.700758391277713,"endHours":14.052397909281702,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:11","startHours":9.817260752869199,"endHours":10.177697957670263,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:45","end":"08:02","startHours":7.74474682526308,"endHours":8.033096589103932,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:04","startHours":12.340321186476649,"endHours":13.061195596078777,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:34","startHours":5.852451500057494,"endHours":6.573325909659622,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:18","startHours":6.39310730725909,"endHours":7.29420031926175,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:13","startHours":14.502944415283032,"endHours":15.22381882488516,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.907316463293675,"endHours":18.307316463293674,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:33","startHours":18.107316463293675,"endHours":18.557862969295005,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.857316463293675,"endHours":19.607316463293675,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:04","startHours":24.34032118647665,"endHours":25.061195596078775,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:18","end":"08:39","startHours":7.29420031926175,"endHours":8.64583983726574,"quality":"inauspicious"},{"name":"Udveg","start":"08:39","end":"10:00","startHours":8.64583983726574,"endHours":9.997479355269732,"quality":"inauspicious"},{"name":"Chala","start":"10:00","end":"11:21","startHours":9.997479355269732,"endHours":11.34911887327372,"quality":"neutral"},{"name":"Labha","start":"11:21","end":"12:42","startHours":11.34911887327372,"endHours":12.700758391277713,"quality":"auspicious"},{"name":"Amṛta","start":"12:42","end":"14:03","startHours":12.700758391277713,"endHours":14.052397909281702,"quality":"auspicious"},{"name":"Kāla","start":"14:03","end":"15:24","startHours":14.052397909281702,"endHours":15.404037427285694,"quality":"inauspicious"},{"name":"Śubha","start":"15:24","end":"16:45","startHours":15.404037427285694,"endHours":16.755676945289682,"quality":"auspicious"},{"name":"Roga","start":"16:45","end":"18:06","startHours":16.755676945289682,"endHours":18.107316463293675,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:06","end":"19:45","startHours":18.107316463293675,"endHours":19.755676945289686,"quality":"inauspicious"},{"name":"Śubha","start":"19:45","end":"21:24","startHours":19.755676945289686,"endHours":21.404037427285694,"quality":"auspicious"},{"name":"Roga","start":"21:24","end":"23:03","startHours":21.404037427285694,"endHours":23.0523979092817,"quality":"inauspicious"},{"name":"Udveg","start":"23:03","end":"00:42","startHours":23.0523979092817,"endHours":24.700758391277713,"quality":"inauspicious"},{"name":"Chala","start":"00:42","end":"02:21","startHours":24.700758391277713,"endHours":26.349118873273724,"quality":"neutral"},{"name":"Labha","start":"02:21","end":"04:00","startHours":26.349118873273724,"endHours":27.997479355269732,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:39","startHours":27.997479355269732,"endHours":29.64583983726574,"quality":"auspicious"},{"name":"Kāla","start":"05:39","end":"07:18","startHours":29.64583983726574,"endHours":31.29420031926175,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:18","end":"08:18","startHours":7.29420031926175,"endHours":8.294200319261751,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:18","end":"09:18","startHours":8.294200319261751,"endHours":9.294200319261751,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:18","end":"10:18","startHours":9.294200319261751,"endHours":10.294200319261751,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:18","end":"11:18","startHours":10.294200319261751,"endHours":11.294200319261751,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:18","end":"12:18","startHours":11.294200319261751,"endHours":12.294200319261751,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:18","end":"13:18","startHours":12.294200319261751,"endHours":13.294200319261751,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:18","end":"14:18","startHours":13.294200319261751,"endHours":14.294200319261751,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:18","end":"15:18","startHours":14.294200319261751,"endHours":15.294200319261751,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:18","end":"16:18","startHours":15.294200319261751,"endHours":16.29420031926175,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:18","end":"17:18","startHours":16.29420031926175,"endHours":17.29420031926175,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:18","end":"18:18","startHours":17.29420031926175,"endHours":18.29420031926175,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:18","end":"19:18","startHours":18.29420031926175,"endHours":19.29420031926175,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:18","end":"20:18","startHours":19.29420031926175,"endHours":20.29420031926175,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:18","end":"21:18","startHours":20.29420031926175,"endHours":21.29420031926175,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:18","end":"22:18","startHours":21.29420031926175,"endHours":22.29420031926175,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:18","end":"23:18","startHours":22.29420031926175,"endHours":23.29420031926175,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:18","end":"00:18","startHours":23.29420031926175,"endHours":24.29420031926175,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:18","end":"01:18","startHours":24.29420031926175,"endHours":25.29420031926175,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:18","end":"02:18","startHours":25.29420031926175,"endHours":26.29420031926175,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:18","end":"03:18","startHours":26.29420031926175,"endHours":27.29420031926175,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:18","end":"04:18","startHours":27.29420031926175,"endHours":28.29420031926175,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:18","end":"05:18","startHours":28.29420031926175,"endHours":29.29420031926175,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:18","end":"06:18","startHours":29.29420031926175,"endHours":30.29420031926175,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:18","end":"07:18","startHours":30.29420031926175,"endHours":31.29420031926175,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Gada","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":-22.55307680087403,"eotMinutes":7.723696523337262,"ayanamsa":22.7485}},"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 Dvādaśī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"jamnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 7, 1920 CE · Jamnagar, Gujarat · Vidhyamitra","description":"December 7, 1920 CE for Jamnagar, Gujarat: Kṛṣṇa Dvādaśī, sūryodaya 07:18, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1920-12-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1920-12-07","sa":"https://sa.vidhyamitra.com/city/jamnagar/1920-12-07","hi":"https://hi.vidhyamitra.com/city/jamnagar/1920-12-07","x-default":"https://vidhyamitra.com/city/jamnagar/1920-12-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:25:39.765Z","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":"2026-05-31T14:25:39.765Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:25:39.765Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}