{"id":"vidhyamitra:city-day:jamnagar:2030-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2030-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-02-04","date_display":"February 4, 2030 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":2030,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462536.770833,"kali_year":5131,"ahargana":1874071.2708,"sun":{"sidereal_longitude":290.9427,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":309.7689,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8262,"elapsed_within_tithi_degrees":6.8262},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.7689,"elapsed_within_degrees":3.1023},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.7117},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2030,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462536.770833,"ahargana":1874071.2708,"kali_year":5131,"ayanamsa_lahiri":24.2734,"grahas":{"sun":{"sidereal_longitude":290.977844,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":307.819244,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":4.1442},"mars":{"sidereal_longitude":316.798444,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":268.8633440000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":211.310744,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":255.03754400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":23.97164399999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":242.6854,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":62.6854,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462536.770833,"kali_year":5131,"ahargana":1874071.2708,"sun":{"sidereal_longitude":290.9427,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":309.7689,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8262,"elapsed_within_tithi_degrees":6.8262},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":309.7689,"elapsed_within_degrees":3.1023},"yoga":{"number":19,"name":"Parigha","sum_longitude":240.7117},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.144,"elongation":18.826},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.144,"opposition_distance":161.174}},"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":11.202130957468832,"dayLengthDisplay":"11 Hours 12 Mins 08 Secs","nightLengthDisplay":"12 Hours 47 Mins 52 Secs","moonriseLocal":"08:27","moonsetLocal":"19:56","rahuKala":{"name":"Rāhu Kāla","start":"08:52","end":"10:16","startHours":8.863549630415744,"endHours":10.263816000099348,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:40","end":"13:04","startHours":11.664082369782953,"endHours":13.064348739466556,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:28","end":"15:52","startHours":14.46461510915016,"endHours":15.864881478833764,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.077113817474867,"endHours":10.45051818272383,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:14","startHours":7.930038717293342,"endHours":8.22876220949251,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.690944374217596,"endHours":13.437753104715517,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:43","startHours":5.969665799736296,"endHours":6.716474530234218,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:28","startHours":6.529772347609738,"endHours":7.46328326073214,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:56","end":"15:41","startHours":14.931370565711362,"endHours":15.678179296209283,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.465414218200973,"endHours":18.86541421820097,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:08","startHours":18.665414218200972,"endHours":19.132169674762174,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.415414218200972,"endHours":20.165414218200972,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.690944374217594,"endHours":25.43775310471552,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:28","end":"08:52","startHours":7.46328326073214,"endHours":8.863549630415744,"quality":"auspicious"},{"name":"Kāla","start":"08:52","end":"10:16","startHours":8.863549630415744,"endHours":10.263816000099348,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:40","startHours":10.263816000099348,"endHours":11.664082369782953,"quality":"auspicious"},{"name":"Roga","start":"11:40","end":"13:04","startHours":11.664082369782953,"endHours":13.064348739466556,"quality":"inauspicious"},{"name":"Udveg","start":"13:04","end":"14:28","startHours":13.064348739466556,"endHours":14.46461510915016,"quality":"inauspicious"},{"name":"Chala","start":"14:28","end":"15:52","startHours":14.46461510915016,"endHours":15.864881478833764,"quality":"neutral"},{"name":"Labha","start":"15:52","end":"17:16","startHours":15.864881478833764,"endHours":17.26514784851737,"quality":"auspicious"},{"name":"Amṛta","start":"17:16","end":"18:40","startHours":17.26514784851737,"endHours":18.665414218200972,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:40","end":"20:16","startHours":18.665414218200972,"endHours":20.26514784851737,"quality":"neutral"},{"name":"Labha","start":"20:16","end":"21:52","startHours":20.26514784851737,"endHours":21.864881478833766,"quality":"auspicious"},{"name":"Amṛta","start":"21:52","end":"23:28","startHours":21.864881478833766,"endHours":23.46461510915016,"quality":"auspicious"},{"name":"Kāla","start":"23:28","end":"01:04","startHours":23.46461510915016,"endHours":25.064348739466556,"quality":"inauspicious"},{"name":"Śubha","start":"01:04","end":"02:40","startHours":25.064348739466556,"endHours":26.664082369782953,"quality":"auspicious"},{"name":"Roga","start":"02:40","end":"04:16","startHours":26.664082369782953,"endHours":28.263816000099347,"quality":"inauspicious"},{"name":"Udveg","start":"04:16","end":"05:52","startHours":28.263816000099347,"endHours":29.863549630415744,"quality":"inauspicious"},{"name":"Chala","start":"05:52","end":"07:28","startHours":29.863549630415744,"endHours":31.46328326073214,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:28","end":"08:28","startHours":7.46328326073214,"endHours":8.46328326073214,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:28","end":"09:28","startHours":8.46328326073214,"endHours":9.46328326073214,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:28","end":"10:28","startHours":9.46328326073214,"endHours":10.46328326073214,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:28","end":"11:28","startHours":10.46328326073214,"endHours":11.46328326073214,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:28","end":"12:28","startHours":11.46328326073214,"endHours":12.46328326073214,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:28","end":"13:28","startHours":12.46328326073214,"endHours":13.46328326073214,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:28","end":"14:28","startHours":13.46328326073214,"endHours":14.46328326073214,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:28","end":"15:28","startHours":14.46328326073214,"endHours":15.46328326073214,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:28","end":"16:28","startHours":15.46328326073214,"endHours":16.46328326073214,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:28","end":"17:28","startHours":16.46328326073214,"endHours":17.46328326073214,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:28","end":"18:28","startHours":17.46328326073214,"endHours":18.46328326073214,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:28","end":"19:28","startHours":18.46328326073214,"endHours":19.46328326073214,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:28","end":"20:28","startHours":19.46328326073214,"endHours":20.46328326073214,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:28","end":"21:28","startHours":20.46328326073214,"endHours":21.46328326073214,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:28","end":"22:28","startHours":21.46328326073214,"endHours":22.46328326073214,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:28","end":"23:28","startHours":22.46328326073214,"endHours":23.46328326073214,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:28","end":"00:28","startHours":23.46328326073214,"endHours":24.46328326073214,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:28","end":"01:28","startHours":24.46328326073214,"endHours":25.46328326073214,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:28","end":"02:28","startHours":25.46328326073214,"endHours":26.46328326073214,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:28","end":"03:28","startHours":26.46328326073214,"endHours":27.46328326073214,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:28","end":"04:28","startHours":27.46328326073214,"endHours":28.46328326073214,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:28","end":"05:28","startHours":28.46328326073214,"endHours":29.46328326073214,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:28","end":"06:28","startHours":29.46328326073214,"endHours":30.46328326073214,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:28","end":"07:28","startHours":30.46328326073214,"endHours":31.46328326073214,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Dhātṛ","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":-16.26040620843717,"eotMinutes":-14.091724367993354,"ayanamsa":24.2734}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvitīyā · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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, 2030 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 4, 2030 CE for Jamnagar, Gujarat: Śukla Dvitīyā, sūryodaya 07:28, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2030-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2030-02-04","sa":"https://sa.vidhyamitra.com/city/jamnagar/2030-02-04","hi":"https://hi.vidhyamitra.com/city/jamnagar/2030-02-04","x-default":"https://vidhyamitra.com/city/jamnagar/2030-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:38:58.656Z","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":"2026-05-15T03:38:58.656Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:38:58.656Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}