{"id":"vidhyamitra:city-day:jamnagar:2012-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2012-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-02-04","date_display":"February 4, 2012 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":2012,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455961.770833,"kali_year":5113,"ahargana":1867496.2708,"sun":{"sidereal_longitude":290.5933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.1438,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.5505,"elapsed_within_tithi_degrees":0.5505},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.1438,"elapsed_within_degrees":9.8105},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.7371},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2012,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455961.770833,"ahargana":1867496.2708,"kali_year":5113,"ayanamsa_lahiri":24.0219,"grahas":{"sun":{"sidereal_longitude":290.589257,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":63.271457,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-0.9411},"mars":{"sidereal_longitude":148.07795699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":288.043457,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":8.817656999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":330.82495700000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.21695699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":231.0605,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.0605,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455961.770833,"kali_year":5113,"ahargana":1867496.2708,"sun":{"sidereal_longitude":290.5933,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":63.1438,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":132.5505,"elapsed_within_tithi_degrees":0.5505},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":63.1438,"elapsed_within_degrees":9.8105},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.7371},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.941,"elongation":132.551},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.941,"opposition_distance":47.449}},"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":"07:28","sunsetLocal":"18:40","solarNoonLocal":"13:04","dayLengthHours":11.190965750947079,"dayLengthDisplay":"11 Hours 11 Mins 27 Secs","nightLengthDisplay":"12 Hours 48 Mins 33 Secs","moonriseLocal":"15:11","moonsetLocal":"04:39","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:40","startHours":10.266607301729788,"endHours":11.665478020598172,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:28","end":"15:52","startHours":14.463219458334942,"endHours":15.862090177203328,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:28","end":"08:52","startHours":7.468865863993018,"endHours":8.867736582861403,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.08009120588067,"endHours":10.453123397578906,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:14","startHours":7.935156103615813,"endHours":8.233581856974402,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.69131654776832,"endHours":13.437380931164792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:59","end":"06:43","startHours":5.976737097200074,"endHours":6.722801480596546,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:28","startHours":6.536285384747428,"endHours":7.468865863993018,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:41","startHours":14.929509697957737,"endHours":15.67557408135421,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.459831614940097,"endHours":18.859831614940095,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:08","startHours":18.659831614940096,"endHours":19.12612185456289,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.409831614940096,"endHours":20.159831614940096,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.69131654776832,"endHours":25.437380931164792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:28","end":"08:52","startHours":7.468865863993018,"endHours":8.867736582861403,"quality":"inauspicious"},{"name":"Śubha","start":"08:52","end":"10:16","startHours":8.867736582861403,"endHours":10.266607301729788,"quality":"auspicious"},{"name":"Roga","start":"10:16","end":"11:40","startHours":10.266607301729788,"endHours":11.665478020598172,"quality":"inauspicious"},{"name":"Udveg","start":"11:40","end":"13:04","startHours":11.665478020598172,"endHours":13.064348739466556,"quality":"inauspicious"},{"name":"Chala","start":"13:04","end":"14:28","startHours":13.064348739466556,"endHours":14.463219458334942,"quality":"neutral"},{"name":"Labha","start":"14:28","end":"15:52","startHours":14.463219458334942,"endHours":15.862090177203328,"quality":"auspicious"},{"name":"Amṛta","start":"15:52","end":"17:16","startHours":15.862090177203328,"endHours":17.260960896071712,"quality":"auspicious"},{"name":"Kāla","start":"17:16","end":"18:40","startHours":17.260960896071712,"endHours":18.659831614940096,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:40","end":"20:16","startHours":18.659831614940096,"endHours":20.260960896071712,"quality":"auspicious"},{"name":"Amṛta","start":"20:16","end":"21:52","startHours":20.260960896071712,"endHours":21.862090177203328,"quality":"auspicious"},{"name":"Kāla","start":"21:52","end":"23:28","startHours":21.862090177203328,"endHours":23.46321945833494,"quality":"inauspicious"},{"name":"Śubha","start":"23:28","end":"01:04","startHours":23.46321945833494,"endHours":25.064348739466556,"quality":"auspicious"},{"name":"Roga","start":"01:04","end":"02:40","startHours":25.064348739466556,"endHours":26.665478020598172,"quality":"inauspicious"},{"name":"Udveg","start":"02:40","end":"04:16","startHours":26.665478020598172,"endHours":28.266607301729785,"quality":"inauspicious"},{"name":"Chala","start":"04:16","end":"05:52","startHours":28.266607301729785,"endHours":29.8677365828614,"quality":"neutral"},{"name":"Labha","start":"05:52","end":"07:28","startHours":29.8677365828614,"endHours":31.468865863993017,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.468865863993018,"endHours":8.468865863993017,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.468865863993017,"endHours":9.468865863993017,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.468865863993017,"endHours":10.468865863993017,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.468865863993017,"endHours":11.468865863993017,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.468865863993017,"endHours":12.468865863993017,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.468865863993017,"endHours":13.468865863993017,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.468865863993017,"endHours":14.468865863993017,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.468865863993017,"endHours":15.468865863993017,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.468865863993017,"endHours":16.468865863993017,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.468865863993017,"endHours":17.468865863993017,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.468865863993017,"endHours":18.468865863993017,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.468865863993017,"endHours":19.468865863993017,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.468865863993017,"endHours":20.468865863993017,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.468865863993017,"endHours":21.468865863993017,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.468865863993017,"endHours":22.468865863993017,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.468865863993017,"endHours":23.468865863993017,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.468865863993017,"endHours":24.468865863993017,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.468865863993017,"endHours":25.468865863993017,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.468865863993017,"endHours":26.468865863993017,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.468865863993017,"endHours":27.468865863993017,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.468865863993017,"endHours":28.468865863993017,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.468865863993017,"endHours":29.468865863993017,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.468865863993017,"endHours":30.468865863993017,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.468865863993017,"endHours":31.468865863993017,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","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":-16.447788195863623,"eotMinutes":-14.091724367993354,"ayanamsa":24.0219}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"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":"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":"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 February 4, 2012 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 4, 2012 CE for Jamnagar, Gujarat: Śukla Dvādaśī, sūryodaya 07:28, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2012-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2012-02-04","sa":"https://sa.vidhyamitra.com/city/jamnagar/2012-02-04","hi":"https://hi.vidhyamitra.com/city/jamnagar/2012-02-04","x-default":"https://vidhyamitra.com/city/jamnagar/2012-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T16:12:35.322Z","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":"2026-05-15T16:12:35.322Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T16:12:35.322Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}