{"id":"vidhyamitra:city-day:jamnagar:1963-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1963-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-02-01","date_display":"February 1, 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":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438061.770833,"kali_year":5064,"ahargana":1849596.2708,"sun":{"sidereal_longitude":288.223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":12.4361,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.2131,"elapsed_within_tithi_degrees":0.2131},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.4361,"elapsed_within_degrees":12.4361},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.6591},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"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":1963,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438061.770833,"ahargana":1849596.2708,"kali_year":5064,"ayanamsa_lahiri":23.3373,"grahas":{"sun":{"sidereal_longitude":288.12006900000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":13.78496899999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.494},"mars":{"sidereal_longitude":113.493469,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":267.77776900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":322.6595689999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":241.94086900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":290.8524689999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":99.4887,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.4887,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1963,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438061.770833,"kali_year":5064,"ahargana":1849596.2708,"sun":{"sidereal_longitude":288.223,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":12.4361,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":84.2131,"elapsed_within_tithi_degrees":0.2131},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.4361,"elapsed_within_degrees":12.4361},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.6591},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.494,"elongation":84.213},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.494,"opposition_distance":95.787}},"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":"07:29","sunsetLocal":"18:38","solarNoonLocal":"13:03","dayLengthHours":11.137356184838074,"dayLengthDisplay":"11 Hours 08 Mins 14 Secs","nightLengthDisplay":"12 Hours 51 Mins 46 Secs","moonriseLocal":"12:20","moonsetLocal":"01:12","rahuKala":{"name":"Rāhu Kāla","start":"11:40","end":"13:03","startHours":11.665472945518502,"endHours":13.05764246862326,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:51","end":"17:14","startHours":15.84198151483278,"endHours":17.23415103793754,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:53","end":"10:16","startHours":8.881133899308983,"endHours":10.273303422413743,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:28","startHours":10.087680819333109,"endHours":10.458926025494378,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.953020883905811,"endHours":8.250017048834826,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.686397262461991,"endHours":13.42888767478453,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:45","startHours":6.0039835515591475,"endHours":6.746473963881686,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:29","startHours":6.560851360801052,"endHours":7.488964376204224,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.913868499429608,"endHours":15.656358911752147,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.4263205610423,"endHours":18.826320561042298,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:05","startHours":18.6263205610423,"endHours":19.090377068743884,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.3763205610423,"endHours":20.1263205610423,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.68639726246199,"endHours":25.42888767478453,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:29","end":"08:53","startHours":7.488964376204224,"endHours":8.881133899308983,"quality":"neutral"},{"name":"Labha","start":"08:53","end":"10:16","startHours":8.881133899308983,"endHours":10.273303422413743,"quality":"auspicious"},{"name":"Amṛta","start":"10:16","end":"11:40","startHours":10.273303422413743,"endHours":11.665472945518502,"quality":"auspicious"},{"name":"Kāla","start":"11:40","end":"13:03","startHours":11.665472945518502,"endHours":13.05764246862326,"quality":"inauspicious"},{"name":"Śubha","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.449811991728021,"quality":"auspicious"},{"name":"Roga","start":"14:27","end":"15:51","startHours":14.449811991728021,"endHours":15.84198151483278,"quality":"inauspicious"},{"name":"Udveg","start":"15:51","end":"17:14","startHours":15.84198151483278,"endHours":17.23415103793754,"quality":"inauspicious"},{"name":"Chala","start":"17:14","end":"18:38","startHours":17.23415103793754,"endHours":18.6263205610423,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:38","end":"20:14","startHours":18.6263205610423,"endHours":20.23415103793754,"quality":"inauspicious"},{"name":"Udveg","start":"20:14","end":"21:51","startHours":20.23415103793754,"endHours":21.84198151483278,"quality":"inauspicious"},{"name":"Chala","start":"21:51","end":"23:27","startHours":21.84198151483278,"endHours":23.44981199172802,"quality":"neutral"},{"name":"Labha","start":"23:27","end":"01:03","startHours":23.44981199172802,"endHours":25.05764246862326,"quality":"auspicious"},{"name":"Amṛta","start":"01:03","end":"02:40","startHours":25.05764246862326,"endHours":26.665472945518502,"quality":"auspicious"},{"name":"Kāla","start":"02:40","end":"04:16","startHours":26.665472945518502,"endHours":28.273303422413743,"quality":"inauspicious"},{"name":"Śubha","start":"04:16","end":"05:53","startHours":28.273303422413743,"endHours":29.881133899308985,"quality":"auspicious"},{"name":"Roga","start":"05:53","end":"07:29","startHours":29.881133899308985,"endHours":31.488964376204223,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.488964376204224,"endHours":8.488964376204224,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.488964376204224,"endHours":9.488964376204224,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.488964376204224,"endHours":10.488964376204224,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.488964376204224,"endHours":11.488964376204224,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.488964376204224,"endHours":12.488964376204224,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.488964376204224,"endHours":13.488964376204224,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.488964376204224,"endHours":14.488964376204224,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.488964376204224,"endHours":15.488964376204224,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.488964376204224,"endHours":16.488964376204223,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.488964376204223,"endHours":17.488964376204223,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.488964376204223,"endHours":18.488964376204223,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.488964376204223,"endHours":19.488964376204223,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.488964376204223,"endHours":20.488964376204223,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.488964376204223,"endHours":21.488964376204223,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.488964376204223,"endHours":22.488964376204223,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.488964376204223,"endHours":23.488964376204223,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.488964376204223,"endHours":24.488964376204223,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.488964376204223,"endHours":25.488964376204223,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.488964376204223,"endHours":26.488964376204223,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.488964376204223,"endHours":27.488964376204223,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.488964376204223,"endHours":28.488964376204223,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.488964376204223,"endHours":29.488964376204223,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.488964376204223,"endHours":30.488964376204223,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.488964376204223,"endHours":31.488964376204223,"planetary_lord":"Mars"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.34232057216228,"eotMinutes":-13.689348117395623,"ayanamsa":23.3373}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Aṣṭamī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5},{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"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 February 1, 1963 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 1, 1963 CE for Jamnagar, Gujarat: Śukla Aṣṭamī, sūryodaya 07:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1963-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1963-02-01","sa":"https://sa.vidhyamitra.com/city/jamnagar/1963-02-01","hi":"https://hi.vidhyamitra.com/city/jamnagar/1963-02-01","x-default":"https://vidhyamitra.com/city/jamnagar/1963-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T13:25:34.338Z","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":"2026-05-20T13:25:34.338Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T13:25:34.338Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}