{"id":"vidhyamitra:city-day:jamnagar:1964-06-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1964-06-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-06-13","date_display":"June 13, 1964 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":1964,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438559.770833,"kali_year":5066,"ahargana":1850094.2708,"sun":{"sidereal_longitude":58.5737,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":96.7675,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.1938,"elapsed_within_tithi_degrees":2.1938},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":96.7675,"elapsed_within_degrees":3.4342},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3412},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1964,"month":6,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438559.770833,"ahargana":1850094.2708,"kali_year":5066,"ayanamsa_lahiri":23.3564,"grahas":{"sun":{"sidereal_longitude":58.70174199999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":98.77734199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":1.8047},"mars":{"sidereal_longitude":33.959542,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":43.00554199999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":21.736242000000004,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":69.86824200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":312.377242,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":73.1023,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":253.1023,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":1964,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438559.770833,"kali_year":5066,"ahargana":1850094.2708,"sun":{"sidereal_longitude":58.5737,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":96.7675,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.1938,"elapsed_within_tithi_degrees":2.1938},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":96.7675,"elapsed_within_degrees":3.4342},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.3412},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.805,"elongation":38.194},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.805,"opposition_distance":141.806}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":0.14,"opposition_distance":0.737}]},"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":"06:05","sunsetLocal":"19:34","solarNoonLocal":"12:50","dayLengthHours":13.494460358227695,"dayLengthDisplay":"13 Hours 29 Mins 40 Secs","nightLengthDisplay":"10 Hours 30 Mins 20 Secs","moonriseLocal":"08:53","moonsetLocal":"22:07","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"11:08","startHours":9.452285250466396,"endHours":11.139092795244856,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:31","end":"16:12","startHours":14.512707884801781,"endHours":16.19951542958024,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:05","end":"07:46","startHours":6.078670160909472,"endHours":7.765477705687934,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:41","startHours":9.227377577829268,"endHours":9.677192923103524,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"07:00","startHours":6.640939342502293,"endHours":7.000791618721697,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:17","startHours":12.376084994749062,"endHours":13.275715685297575,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:11","startHours":4.279408779812446,"endHours":5.1790394703609595,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"06:05","startHours":4.954131797723831,"endHours":6.078670160909472,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:04","end":"15:58","startHours":15.074977066394602,"endHours":15.974607756943115,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:22","end":"19:46","startHours":19.373130519137167,"endHours":19.773130519137165,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:34","end":"20:08","startHours":19.573130519137166,"endHours":20.135399700729987,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:19","end":"21:04","startHours":19.323130519137166,"endHours":21.073130519137166,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:17","startHours":24.37608499474906,"endHours":25.275715685297573,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:05","end":"07:46","startHours":6.078670160909472,"endHours":7.765477705687934,"quality":"inauspicious"},{"name":"Śubha","start":"07:46","end":"09:27","startHours":7.765477705687934,"endHours":9.452285250466396,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"11:08","startHours":9.452285250466396,"endHours":11.139092795244856,"quality":"inauspicious"},{"name":"Udveg","start":"11:08","end":"12:50","startHours":11.139092795244856,"endHours":12.82590034002332,"quality":"inauspicious"},{"name":"Chala","start":"12:50","end":"14:31","startHours":12.82590034002332,"endHours":14.512707884801781,"quality":"neutral"},{"name":"Labha","start":"14:31","end":"16:12","startHours":14.512707884801781,"endHours":16.19951542958024,"quality":"auspicious"},{"name":"Amṛta","start":"16:12","end":"17:53","startHours":16.19951542958024,"endHours":17.886322974358706,"quality":"auspicious"},{"name":"Kāla","start":"17:53","end":"19:34","startHours":17.886322974358706,"endHours":19.573130519137166,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:34","end":"20:53","startHours":19.573130519137166,"endHours":20.886322974358706,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:12","startHours":20.886322974358706,"endHours":22.19951542958024,"quality":"auspicious"},{"name":"Kāla","start":"22:12","end":"23:31","startHours":22.19951542958024,"endHours":23.51270788480178,"quality":"inauspicious"},{"name":"Śubha","start":"23:31","end":"00:50","startHours":23.51270788480178,"endHours":24.825900340023317,"quality":"auspicious"},{"name":"Roga","start":"00:50","end":"02:08","startHours":24.825900340023317,"endHours":26.139092795244856,"quality":"inauspicious"},{"name":"Udveg","start":"02:08","end":"03:27","startHours":26.139092795244856,"endHours":27.452285250466396,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"04:46","startHours":27.452285250466396,"endHours":28.765477705687935,"quality":"neutral"},{"name":"Labha","start":"04:46","end":"06:05","startHours":28.765477705687935,"endHours":30.07867016090947,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.078670160909472,"endHours":7.078670160909472,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.078670160909472,"endHours":8.078670160909471,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.078670160909471,"endHours":9.078670160909471,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.078670160909471,"endHours":10.078670160909471,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.078670160909471,"endHours":11.078670160909471,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.078670160909471,"endHours":12.078670160909471,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.078670160909471,"endHours":13.078670160909471,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.078670160909471,"endHours":14.078670160909471,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.078670160909471,"endHours":15.078670160909471,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.078670160909471,"endHours":16.07867016090947,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.07867016090947,"endHours":17.07867016090947,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.07867016090947,"endHours":18.07867016090947,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.07867016090947,"endHours":19.07867016090947,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.07867016090947,"endHours":20.07867016090947,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.07867016090947,"endHours":21.07867016090947,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.07867016090947,"endHours":22.07867016090947,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.07867016090947,"endHours":23.07867016090947,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.07867016090947,"endHours":24.07867016090947,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.07867016090947,"endHours":25.07867016090947,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.07867016090947,"endHours":26.07867016090947,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.07867016090947,"endHours":27.07867016090947,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.07867016090947,"endHours":28.07867016090947,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.07867016090947,"endHours":29.07867016090947,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.07867016090947,"endHours":30.07867016090947,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.198492397659546,"eotMinutes":0.2151795986009022,"ayanamsa":23.3564}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 June 13, 1964 CE · Jamnagar, Gujarat · Vidhyamitra","description":"June 13, 1964 CE for Jamnagar, Gujarat: Śukla Caturthī, sūryodaya 06:05, sūryāsta 19:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1964-06-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1964-06-13","sa":"https://sa.vidhyamitra.com/city/jamnagar/1964-06-13","hi":"https://hi.vidhyamitra.com/city/jamnagar/1964-06-13","x-default":"https://vidhyamitra.com/city/jamnagar/1964-06-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:16:20.083Z","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":"2026-06-01T03:16:20.083Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:16:20.083Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}