{"id":"vidhyamitra:city-day:jamnagar:2163-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2163-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2163-02-01","date_display":"February 1, 2163 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":2163,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511110.770833,"kali_year":5264,"ahargana":1922645.2708,"sun":{"sidereal_longitude":285.4104,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":254.8434,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.433,"elapsed_within_tithi_degrees":5.433},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.8434,"elapsed_within_degrees":1.51},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.2537},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2163,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511110.770833,"ahargana":1922645.2708,"kali_year":5264,"ayanamsa_lahiri":26.1312,"grahas":{"sun":{"sidereal_longitude":285.79186000000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":253.34695999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":4.1052},"mars":{"sidereal_longitude":239.51566000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":275.17926,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":274.64306,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":245.49105999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":225.59055999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":189.0011,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":9.0011,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2163,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511110.770833,"kali_year":5264,"ahargana":1922645.2708,"sun":{"sidereal_longitude":285.4104,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":254.8434,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.433,"elapsed_within_tithi_degrees":5.433},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.8434,"elapsed_within_degrees":1.51},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":180.2537},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.105,"elongation":30.567},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.105,"opposition_distance":149.433}},"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":11.145120196480853,"dayLengthDisplay":"11 Hours 08 Mins 42 Secs","nightLengthDisplay":"12 Hours 51 Mins 18 Secs","moonriseLocal":"05:32","moonsetLocal":"16:16","rahuKala":{"name":"Rāhu Kāla","start":"15:51","end":"17:14","startHours":15.843922517743474,"endHours":17.23706254230358,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:16","end":"11:40","startHours":10.271362419503047,"endHours":11.664502444063153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.450782493183368,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:27","startHours":10.085610416228366,"endHours":10.457114422777728,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:15","startHours":7.949462378569536,"endHours":8.246665583809026,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:41","end":"13:26","startHours":12.686138462073899,"endHours":13.429146475172622,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:45","startHours":5.999066344185387,"endHours":6.74207435728411,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:29","startHours":6.5563223540094295,"endHours":7.485082370382834,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:39","startHours":14.91516250137007,"endHours":15.658170514468793,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.430202566863688,"endHours":18.830202566863687,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:06","startHours":18.630202566863687,"endHours":19.09458257505039,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.380202566863687,"endHours":20.130202566863687,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:41","end":"01:26","startHours":24.6861384620739,"endHours":25.429146475172622,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:29","end":"08:53","startHours":7.485082370382834,"endHours":8.878222394942942,"quality":"inauspicious"},{"name":"Udveg","start":"08:53","end":"10:16","startHours":8.878222394942942,"endHours":10.271362419503047,"quality":"inauspicious"},{"name":"Chala","start":"10:16","end":"11:40","startHours":10.271362419503047,"endHours":11.664502444063153,"quality":"neutral"},{"name":"Labha","start":"11:40","end":"13:03","startHours":11.664502444063153,"endHours":13.05764246862326,"quality":"auspicious"},{"name":"Amṛta","start":"13:03","end":"14:27","startHours":13.05764246862326,"endHours":14.450782493183368,"quality":"auspicious"},{"name":"Kāla","start":"14:27","end":"15:51","startHours":14.450782493183368,"endHours":15.843922517743474,"quality":"inauspicious"},{"name":"Śubha","start":"15:51","end":"17:14","startHours":15.843922517743474,"endHours":17.23706254230358,"quality":"auspicious"},{"name":"Roga","start":"17:14","end":"18:38","startHours":17.23706254230358,"endHours":18.630202566863687,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:38","end":"20:14","startHours":18.630202566863687,"endHours":20.23706254230358,"quality":"inauspicious"},{"name":"Śubha","start":"20:14","end":"21:51","startHours":20.23706254230358,"endHours":21.843922517743472,"quality":"auspicious"},{"name":"Roga","start":"21:51","end":"23:27","startHours":21.843922517743472,"endHours":23.450782493183368,"quality":"inauspicious"},{"name":"Udveg","start":"23:27","end":"01:03","startHours":23.450782493183368,"endHours":25.05764246862326,"quality":"inauspicious"},{"name":"Chala","start":"01:03","end":"02:40","startHours":25.05764246862326,"endHours":26.664502444063153,"quality":"neutral"},{"name":"Labha","start":"02:40","end":"04:16","startHours":26.664502444063153,"endHours":28.27136241950305,"quality":"auspicious"},{"name":"Amṛta","start":"04:16","end":"05:53","startHours":28.27136241950305,"endHours":29.87822239494294,"quality":"auspicious"},{"name":"Kāla","start":"05:53","end":"07:29","startHours":29.87822239494294,"endHours":31.485082370382834,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.485082370382834,"endHours":8.485082370382834,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.485082370382834,"endHours":9.485082370382834,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.485082370382834,"endHours":10.485082370382834,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.485082370382834,"endHours":11.485082370382834,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.485082370382834,"endHours":12.485082370382834,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.485082370382834,"endHours":13.485082370382834,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.485082370382834,"endHours":14.485082370382834,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.485082370382834,"endHours":15.485082370382834,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.485082370382834,"endHours":16.485082370382834,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.485082370382834,"endHours":17.485082370382834,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.485082370382834,"endHours":18.485082370382834,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.485082370382834,"endHours":19.485082370382834,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.485082370382834,"endHours":20.485082370382834,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.485082370382834,"endHours":21.485082370382834,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.485082370382834,"endHours":22.485082370382834,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.485082370382834,"endHours":23.485082370382834,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.485082370382834,"endHours":24.485082370382834,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.485082370382834,"endHours":25.485082370382834,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.485082370382834,"endHours":26.485082370382834,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.485082370382834,"endHours":27.485082370382834,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.485082370382834,"endHours":28.485082370382834,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.485082370382834,"endHours":29.485082370382834,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.485082370382834,"endHours":30.485082370382834,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.485082370382834,"endHours":31.485082370382834,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"Dhātṛ","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":-17.213308707521303,"eotMinutes":-13.689348117395623,"ayanamsa":26.1312}},"calendars":{"vikram_samvat":2220,"vikram_samvatsara":"Dhātṛ","saka_samvat":2085,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1570,"malayalam_era":1339,"nanakshahi_year":694,"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 Trayodaśī · Vikram 2220 Dhātṛ · Śaka 2085 Rudhirodgāri"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 1, 2163 CE · Jamnagar, Gujarat · Vidhyamitra","description":"February 1, 2163 CE for Jamnagar, Gujarat: Kṛṣṇa Trayodaśī, sūryodaya 07:29, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2163-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2163-02-01","sa":"https://sa.vidhyamitra.com/city/jamnagar/2163-02-01","hi":"https://hi.vidhyamitra.com/city/jamnagar/2163-02-01","x-default":"https://vidhyamitra.com/city/jamnagar/2163-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:40:39.502Z","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":"2026-05-31T17:40:39.502Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:40:39.502Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}