{"id":"vidhyamitra:city-day:jamnagar:2020-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2020-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2020-02-01","date_display":"February 1, 2020 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":2020,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458880.770833,"kali_year":5121,"ahargana":1870415.2708,"sun":{"sidereal_longitude":287.4575,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.0378,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.5803,"elapsed_within_tithi_degrees":9.5803},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0378,"elapsed_within_degrees":9.0378},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.4952},"karana":{"half_tithi_index":13,"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":2020,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458880.770833,"ahargana":1870415.2708,"kali_year":5121,"ayanamsa_lahiri":24.1336,"grahas":{"sun":{"sidereal_longitude":287.49233000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":6.048429999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":-4.1526},"mars":{"sidereal_longitude":235.03643,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":301.64683,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":259.56293000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":327.55242999999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":270.86993000000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":76.3979,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":256.3979,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"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":2020,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458880.770833,"kali_year":5121,"ahargana":1870415.2708,"sun":{"sidereal_longitude":287.4575,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":9.0378,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":81.5803,"elapsed_within_tithi_degrees":9.5803},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":9.0378,"elapsed_within_degrees":9.0378},"yoga":{"number":23,"name":"Śubha","sum_longitude":296.4952},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.153,"elongation":81.58},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.153,"opposition_distance":98.42}},"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":11.140160164763806,"dayLengthDisplay":"11 Hours 08 Mins 25 Secs","nightLengthDisplay":"12 Hours 51 Mins 35 Secs","moonriseLocal":"11:56","moonsetLocal":"00:40","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:40","startHours":10.272602427432307,"endHours":11.665122448027784,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:27","end":"15:51","startHours":14.450162489218735,"endHours":15.84268250981421,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:29","end":"08:53","startHours":7.487562386241357,"endHours":8.880082406836832,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.086933091352911,"endHours":10.458271763511705,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.951735726439849,"endHours":8.248806664166883,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.686303796464466,"endHours":13.428981140782055,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:45","startHours":6.002207697606183,"endHours":6.744885041923769,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:34","end":"07:29","startHours":6.559215705844373,"endHours":7.487562386241357,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.914335829417226,"endHours":15.657013173734812,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.427722551005164,"endHours":18.827722551005163,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:06","startHours":18.627722551005164,"endHours":19.091895891203656,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.377722551005164,"endHours":20.127722551005164,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.68630379646447,"endHours":25.428981140782053,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:29","end":"08:53","startHours":7.487562386241357,"endHours":8.880082406836832,"quality":"inauspicious"},{"name":"Śubha","start":"08:53","end":"10:16","startHours":8.880082406836832,"endHours":10.272602427432307,"quality":"auspicious"},{"name":"Roga","start":"10:16","end":"11:40","startHours":10.272602427432307,"endHours":11.665122448027784,"quality":"inauspicious"},{"name":"Udveg","start":"11:40","end":"13:03","startHours":11.665122448027784,"endHours":13.05764246862326,"quality":"inauspicious"},{"name":"Chala","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.450162489218735,"quality":"neutral"},{"name":"Labha","start":"14:27","end":"15:51","startHours":14.450162489218735,"endHours":15.84268250981421,"quality":"auspicious"},{"name":"Amṛta","start":"15:51","end":"17:14","startHours":15.84268250981421,"endHours":17.235202530409687,"quality":"auspicious"},{"name":"Kāla","start":"17:14","end":"18:38","startHours":17.235202530409687,"endHours":18.627722551005164,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:38","end":"20:14","startHours":18.627722551005164,"endHours":20.235202530409687,"quality":"auspicious"},{"name":"Amṛta","start":"20:14","end":"21:51","startHours":20.235202530409687,"endHours":21.84268250981421,"quality":"auspicious"},{"name":"Kāla","start":"21:51","end":"23:27","startHours":21.84268250981421,"endHours":23.450162489218737,"quality":"inauspicious"},{"name":"Śubha","start":"23:27","end":"01:03","startHours":23.450162489218737,"endHours":25.05764246862326,"quality":"auspicious"},{"name":"Roga","start":"01:03","end":"02:40","startHours":25.05764246862326,"endHours":26.665122448027784,"quality":"inauspicious"},{"name":"Udveg","start":"02:40","end":"04:16","startHours":26.665122448027784,"endHours":28.27260242743231,"quality":"inauspicious"},{"name":"Chala","start":"04:16","end":"05:53","startHours":28.27260242743231,"endHours":29.880082406836834,"quality":"neutral"},{"name":"Labha","start":"05:53","end":"07:29","startHours":29.880082406836834,"endHours":31.487562386241358,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.487562386241357,"endHours":8.487562386241358,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.487562386241358,"endHours":9.487562386241358,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.487562386241358,"endHours":10.487562386241358,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.487562386241358,"endHours":11.487562386241358,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.487562386241358,"endHours":12.487562386241358,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.487562386241358,"endHours":13.487562386241358,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.487562386241358,"endHours":14.487562386241358,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.487562386241358,"endHours":15.487562386241358,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.487562386241358,"endHours":16.487562386241358,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.487562386241358,"endHours":17.487562386241358,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.487562386241358,"endHours":18.487562386241358,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.487562386241358,"endHours":19.487562386241358,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.487562386241358,"endHours":20.487562386241358,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.487562386241358,"endHours":21.487562386241358,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.487562386241358,"endHours":22.487562386241358,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.487562386241358,"endHours":23.487562386241358,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.487562386241358,"endHours":24.487562386241358,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.487562386241358,"endHours":25.487562386241358,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.487562386241358,"endHours":26.487562386241358,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.487562386241358,"endHours":27.487562386241358,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.487562386241358,"endHours":28.487562386241358,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.487562386241358,"endHours":29.487562386241358,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.487562386241358,"endHours":30.487562386241358,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.487562386241358,"endHours":31.487562386241358,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"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":-17.29574914793168,"eotMinutes":-13.689348117395623,"ayanamsa":24.1336}},"calendars":{"vikram_samvat":2077,"vikram_samvatsara":"Pramādī","saka_samvat":1942,"saka_samvatsara":"Śārvarī","bengali_samvat":1427,"malayalam_era":1196,"nanakshahi_year":551,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2077 Pramādī · Śaka 1942 Śārvarī"},"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":[{"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, 2020 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 1, 2020 CE for Jamnagar, Gujarat: Śukla Saptamī, sūryodaya 07:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2020-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2020-02-01","sa":"https://sa.vidhyamitra.com/city/jamnagar/2020-02-01","hi":"https://hi.vidhyamitra.com/city/jamnagar/2020-02-01","x-default":"https://vidhyamitra.com/city/jamnagar/2020-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:11:07.973Z","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":"2026-05-15T07:11:07.973Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:11:07.973Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}