{"id":"vidhyamitra:city-day:jamnagar:1963-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1963-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-08-20","date_display":"August 20, 1963 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":1963,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438261.770833,"kali_year":5065,"ahargana":1849796.2708,"sun":{"sidereal_longitude":122.4267,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":133.2995,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8728,"elapsed_within_tithi_degrees":10.8728},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":133.2995,"elapsed_within_degrees":13.2995},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.7262},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1963,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438261.770833,"ahargana":1849796.2708,"kali_year":5065,"ayanamsa_lahiri":23.345,"grahas":{"sun":{"sidereal_longitude":122.97502700000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":131.64842700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":3.1473},"mars":{"sidereal_longitude":171.98732700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":150.437727,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":356.634627,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":120.764727,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":296.6203270000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":88.8917,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":268.8917,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438261.770833,"kali_year":5065,"ahargana":1849796.2708,"sun":{"sidereal_longitude":122.4267,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":133.2995,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8728,"elapsed_within_tithi_degrees":10.8728},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":133.2995,"elapsed_within_degrees":13.2995},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.7262},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.147,"elongation":10.873},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.147,"opposition_distance":169.127}},"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":"06:28","sunsetLocal":"19:18","solarNoonLocal":"12:53","dayLengthHours":12.839442210890727,"dayLengthDisplay":"12 Hours 50 Mins 22 Secs","nightLengthDisplay":"11 Hours 09 Mins 38 Secs","moonriseLocal":"07:09","moonsetLocal":"19:46","rahuKala":{"name":"Rāhu Kāla","start":"16:05","end":"17:42","startHours":16.090180734564854,"endHours":17.695111010926194,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:40","end":"11:17","startHours":9.67045962911949,"endHours":11.275389905480832,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:53","end":"14:29","startHours":12.880320181842173,"endHours":14.485250458203513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:53","startHours":9.456468925604645,"endHours":9.884450332634335,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:00","end":"07:20","startHours":6.995575835183922,"endHours":7.337960960807674,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:27","end":"13:18","startHours":12.45233877481248,"endHours":13.308301588871862,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:36","startHours":4.748673448278044,"endHours":5.604636262337427,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:28","startHours":5.390645558822581,"endHours":6.460599076396808,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:01","end":"15:53","startHours":15.020227216990627,"endHours":15.876190031050008,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.100041287287535,"endHours":19.500041287287534,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:50","startHours":19.300041287287534,"endHours":19.835018046074648,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.050041287287534,"endHours":20.800041287287534,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:27","end":"01:18","startHours":24.452338774812482,"endHours":25.308301588871863,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:28","end":"08:04","startHours":6.460599076396808,"endHours":8.06552935275815,"quality":"inauspicious"},{"name":"Udveg","start":"08:04","end":"09:40","startHours":8.06552935275815,"endHours":9.67045962911949,"quality":"inauspicious"},{"name":"Chala","start":"09:40","end":"11:17","startHours":9.67045962911949,"endHours":11.275389905480832,"quality":"neutral"},{"name":"Labha","start":"11:17","end":"12:53","startHours":11.275389905480832,"endHours":12.880320181842173,"quality":"auspicious"},{"name":"Amṛta","start":"12:53","end":"14:29","startHours":12.880320181842173,"endHours":14.485250458203513,"quality":"auspicious"},{"name":"Kāla","start":"14:29","end":"16:05","startHours":14.485250458203513,"endHours":16.090180734564854,"quality":"inauspicious"},{"name":"Śubha","start":"16:05","end":"17:42","startHours":16.090180734564854,"endHours":17.695111010926194,"quality":"auspicious"},{"name":"Roga","start":"17:42","end":"19:18","startHours":17.695111010926194,"endHours":19.300041287287534,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:18","end":"20:42","startHours":19.300041287287534,"endHours":20.695111010926194,"quality":"inauspicious"},{"name":"Śubha","start":"20:42","end":"22:05","startHours":20.695111010926194,"endHours":22.090180734564854,"quality":"auspicious"},{"name":"Roga","start":"22:05","end":"23:29","startHours":22.090180734564854,"endHours":23.48525045820351,"quality":"inauspicious"},{"name":"Udveg","start":"23:29","end":"00:53","startHours":23.48525045820351,"endHours":24.880320181842173,"quality":"inauspicious"},{"name":"Chala","start":"00:53","end":"02:17","startHours":24.880320181842173,"endHours":26.27538990548083,"quality":"neutral"},{"name":"Labha","start":"02:17","end":"03:40","startHours":26.27538990548083,"endHours":27.670459629119488,"quality":"auspicious"},{"name":"Amṛta","start":"03:40","end":"05:04","startHours":27.670459629119488,"endHours":29.065529352758148,"quality":"auspicious"},{"name":"Kāla","start":"05:04","end":"06:28","startHours":29.065529352758148,"endHours":30.460599076396807,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.460599076396808,"endHours":7.460599076396808,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.460599076396808,"endHours":8.460599076396807,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.460599076396807,"endHours":9.460599076396807,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.460599076396807,"endHours":10.460599076396807,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.460599076396807,"endHours":11.460599076396807,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.460599076396807,"endHours":12.460599076396807,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.460599076396807,"endHours":13.460599076396807,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.460599076396807,"endHours":14.460599076396807,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.460599076396807,"endHours":15.460599076396807,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.460599076396807,"endHours":16.460599076396807,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.460599076396807,"endHours":17.460599076396807,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.460599076396807,"endHours":18.460599076396807,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.460599076396807,"endHours":19.460599076396807,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.460599076396807,"endHours":20.460599076396807,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.460599076396807,"endHours":21.460599076396807,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.460599076396807,"endHours":22.460599076396807,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.460599076396807,"endHours":23.460599076396807,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.460599076396807,"endHours":24.460599076396807,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.460599076396807,"endHours":25.460599076396807,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.460599076396807,"endHours":26.460599076396807,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.460599076396807,"endHours":27.460599076396807,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.460599076396807,"endHours":28.460599076396807,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.460599076396807,"endHours":29.460599076396807,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.460599076396807,"endHours":30.460599076396807,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.742159585094566,"eotMinutes":-3.0500109105302213,"ayanamsa":23.345}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 2020 Nala · Śaka 1885 Śobhana"},"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 August 20, 1963 CE · Jamnagar, Gujarat · Vidhyamitra","description":"August 20, 1963 CE for Jamnagar, Gujarat: Śukla Pratipada, sūryodaya 06:28, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1963-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1963-08-20","sa":"https://sa.vidhyamitra.com/city/jamnagar/1963-08-20","hi":"https://hi.vidhyamitra.com/city/jamnagar/1963-08-20","x-default":"https://vidhyamitra.com/city/jamnagar/1963-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:36:27.108Z","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":"2026-05-31T06:36:27.108Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:36:27.108Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}