{"id":"vidhyamitra:city-day:jamnagar:1997-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1997-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-02-04","date_display":"February 4, 1997 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":1997,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450483.770833,"kali_year":5098,"ahargana":1862018.2708,"sun":{"sidereal_longitude":291.4928,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":243.7345,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.2417,"elapsed_within_tithi_degrees":0.2417},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.7345,"elapsed_within_degrees":3.7345},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":175.2272},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1997,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450483.770833,"ahargana":1862018.2708,"kali_year":5098,"ayanamsa_lahiri":23.8124,"grahas":{"sun":{"sidereal_longitude":291.44765699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":241.52155700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":4.4606},"mars":{"sidereal_longitude":162.03425700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":268.9733570000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":279.38735700000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":277.3347570000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":340.072157,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":161.3114,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":341.3114,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"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":1997,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450483.770833,"kali_year":5098,"ahargana":1862018.2708,"sun":{"sidereal_longitude":291.4928,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":243.7345,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.2417,"elapsed_within_tithi_degrees":0.2417},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.7345,"elapsed_within_degrees":3.7345},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":175.2272},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.461,"elongation":47.758},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.461,"opposition_distance":132.242}},"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":11.202285328282848,"dayLengthDisplay":"11 Hours 12 Mins 08 Secs","nightLengthDisplay":"12 Hours 47 Mins 52 Secs","moonriseLocal":"04:23","moonsetLocal":"15:06","rahuKala":{"name":"Rāhu Kāla","start":"15:52","end":"17:16","startHours":15.864920071537268,"endHours":17.265205737572625,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:16","end":"11:40","startHours":10.263777407395844,"endHours":11.664063073431201,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:04","end":"14:28","startHours":13.064348739466556,"endHours":14.464634405501911,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.077072651924464,"endHours":10.450482162867225,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:14","startHours":7.929967964003584,"endHours":8.228695572757793,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.690939228523794,"endHours":13.437758250409319,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:43","startHours":5.969568031554086,"endHours":6.716387053439609,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:28","startHours":6.529682297968228,"endHours":7.463206075325132,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:41","startHours":14.931396294180363,"endHours":15.678215316065886,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.46549140360798,"endHours":18.86549140360798,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:08","startHours":18.66549140360798,"endHours":19.132253292286432,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41549140360798,"endHours":20.16549140360798,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.690939228523796,"endHours":25.437758250409317,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:28","end":"08:52","startHours":7.463206075325132,"endHours":8.863491741360487,"quality":"inauspicious"},{"name":"Udveg","start":"08:52","end":"10:16","startHours":8.863491741360487,"endHours":10.263777407395844,"quality":"inauspicious"},{"name":"Chala","start":"10:16","end":"11:40","startHours":10.263777407395844,"endHours":11.664063073431201,"quality":"neutral"},{"name":"Labha","start":"11:40","end":"13:04","startHours":11.664063073431201,"endHours":13.064348739466556,"quality":"auspicious"},{"name":"Amṛta","start":"13:04","end":"14:28","startHours":13.064348739466556,"endHours":14.464634405501911,"quality":"auspicious"},{"name":"Kāla","start":"14:28","end":"15:52","startHours":14.464634405501911,"endHours":15.864920071537268,"quality":"inauspicious"},{"name":"Śubha","start":"15:52","end":"17:16","startHours":15.864920071537268,"endHours":17.265205737572625,"quality":"auspicious"},{"name":"Roga","start":"17:16","end":"18:40","startHours":17.265205737572625,"endHours":18.66549140360798,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:40","end":"20:16","startHours":18.66549140360798,"endHours":20.265205737572625,"quality":"inauspicious"},{"name":"Śubha","start":"20:16","end":"21:52","startHours":20.265205737572625,"endHours":21.86492007153727,"quality":"auspicious"},{"name":"Roga","start":"21:52","end":"23:28","startHours":21.86492007153727,"endHours":23.46463440550191,"quality":"inauspicious"},{"name":"Udveg","start":"23:28","end":"01:04","startHours":23.46463440550191,"endHours":25.064348739466556,"quality":"inauspicious"},{"name":"Chala","start":"01:04","end":"02:40","startHours":25.064348739466556,"endHours":26.6640630734312,"quality":"neutral"},{"name":"Labha","start":"02:40","end":"04:16","startHours":26.6640630734312,"endHours":28.263777407395843,"quality":"auspicious"},{"name":"Amṛta","start":"04:16","end":"05:52","startHours":28.263777407395843,"endHours":29.863491741360487,"quality":"auspicious"},{"name":"Kāla","start":"05:52","end":"07:28","startHours":29.863491741360487,"endHours":31.463206075325132,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.463206075325132,"endHours":8.463206075325132,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.463206075325132,"endHours":9.463206075325132,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.463206075325132,"endHours":10.463206075325132,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.463206075325132,"endHours":11.463206075325132,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.463206075325132,"endHours":12.463206075325132,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.463206075325132,"endHours":13.463206075325132,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.463206075325132,"endHours":14.463206075325132,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.463206075325132,"endHours":15.463206075325132,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.463206075325132,"endHours":16.463206075325132,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.463206075325132,"endHours":17.463206075325132,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.463206075325132,"endHours":18.463206075325132,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.463206075325132,"endHours":19.463206075325132,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.463206075325132,"endHours":20.463206075325132,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.463206075325132,"endHours":21.463206075325132,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.463206075325132,"endHours":22.463206075325132,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.463206075325132,"endHours":23.463206075325132,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.463206075325132,"endHours":24.463206075325132,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.463206075325132,"endHours":25.463206075325132,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.463206075325132,"endHours":26.463206075325132,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.463206075325132,"endHours":27.463206075325132,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.463206075325132,"endHours":28.463206075325132,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.463206075325132,"endHours":29.463206075325132,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.463206075325132,"endHours":30.463206075325132,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.463206075325132,"endHours":31.463206075325132,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.25781289307995,"eotMinutes":-14.091724367993354,"ayanamsa":23.8124}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvādaśī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"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 February 4, 1997 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 4, 1997 CE for Jamnagar, Gujarat: Kṛṣṇa Dvādaśī, sūryodaya 07:28, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1997-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1997-02-04","sa":"https://sa.vidhyamitra.com/city/jamnagar/1997-02-04","hi":"https://hi.vidhyamitra.com/city/jamnagar/1997-02-04","x-default":"https://vidhyamitra.com/city/jamnagar/1997-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:20:53.664Z","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":"2026-05-31T13:20:53.664Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:20:53.664Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}