{"id":"vidhyamitra:city-day:jamnagar:2021-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/2021-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-10-07","date_display":"October 7, 2021 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":2021,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459494.770833,"kali_year":5123,"ahargana":1871029.2708,"sun":{"sidereal_longitude":169.0477,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":175.1161,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.0684,"elapsed_within_tithi_degrees":6.0684},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.1161,"elapsed_within_degrees":1.7828},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1638},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2021,"month":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459494.770833,"ahargana":1871029.2708,"kali_year":5123,"ayanamsa_lahiri":24.157,"grahas":{"sun":{"sidereal_longitude":169.84477100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":177.62807099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":3.3817},"mars":{"sidereal_longitude":169.87177099999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":175.46107099999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":298.356271,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":215.13127099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":282.769671,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":43.8652,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":223.8652,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2021,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459494.770833,"kali_year":5123,"ahargana":1871029.2708,"sun":{"sidereal_longitude":169.0477,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":175.1161,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.0684,"elapsed_within_tithi_degrees":6.0684},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.1161,"elapsed_within_degrees":1.7828},"yoga":{"number":26,"name":"Indra","sum_longitude":344.1638},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.382,"elongation":6.068},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.382,"opposition_distance":173.932}},"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":"06:42","sunsetLocal":"18:31","solarNoonLocal":"12:37","dayLengthHours":11.815240030758451,"dayLengthDisplay":"11 Hours 48 Mins 55 Secs","nightLengthDisplay":"12 Hours 11 Mins 05 Secs","moonriseLocal":"07:20","moonsetLocal":"18:56","rahuKala":{"name":"Rāhu Kāla","start":"14:05","end":"15:34","startHours":14.090412500361145,"endHours":15.56731750420595,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:42","end":"08:11","startHours":6.705887481137113,"endHours":8.182792484981919,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:40","end":"11:08","startHours":9.659697488826726,"endHours":11.136602492671532,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:51","startHours":9.462776821647418,"endHours":9.856618156006032,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:31","startHours":7.1981891490853815,"endHours":7.513262216572274,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:13","end":"13:00","startHours":12.219666162157722,"endHours":13.007348830874953,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:55","startHours":5.1305221437026525,"endHours":5.918204812419883,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:43","end":"06:42","startHours":5.721284145240576,"endHours":6.705887481137113,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:22","startHours":14.582714168309414,"endHours":15.370396837026643,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.321127511895565,"endHours":18.721127511895563,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:01","startHours":18.521127511895564,"endHours":19.013429179843833,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.271127511895564,"endHours":20.021127511895564,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:13","end":"01:00","startHours":24.219666162157722,"endHours":25.007348830874953,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:42","end":"08:11","startHours":6.705887481137113,"endHours":8.182792484981919,"quality":"auspicious"},{"name":"Roga","start":"08:11","end":"09:40","startHours":8.182792484981919,"endHours":9.659697488826726,"quality":"inauspicious"},{"name":"Udveg","start":"09:40","end":"11:08","startHours":9.659697488826726,"endHours":11.136602492671532,"quality":"inauspicious"},{"name":"Chala","start":"11:08","end":"12:37","startHours":11.136602492671532,"endHours":12.613507496516338,"quality":"neutral"},{"name":"Labha","start":"12:37","end":"14:05","startHours":12.613507496516338,"endHours":14.090412500361145,"quality":"auspicious"},{"name":"Amṛta","start":"14:05","end":"15:34","startHours":14.090412500361145,"endHours":15.56731750420595,"quality":"auspicious"},{"name":"Kāla","start":"15:34","end":"17:03","startHours":15.56731750420595,"endHours":17.04422250805076,"quality":"inauspicious"},{"name":"Śubha","start":"17:03","end":"18:31","startHours":17.04422250805076,"endHours":18.521127511895564,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"20:03","startHours":18.521127511895564,"endHours":20.04422250805076,"quality":"auspicious"},{"name":"Kāla","start":"20:03","end":"21:34","startHours":20.04422250805076,"endHours":21.567317504205953,"quality":"inauspicious"},{"name":"Śubha","start":"21:34","end":"23:05","startHours":21.567317504205953,"endHours":23.090412500361147,"quality":"auspicious"},{"name":"Roga","start":"23:05","end":"00:37","startHours":23.090412500361147,"endHours":24.613507496516338,"quality":"inauspicious"},{"name":"Udveg","start":"00:37","end":"02:08","startHours":24.613507496516338,"endHours":26.136602492671532,"quality":"inauspicious"},{"name":"Chala","start":"02:08","end":"03:40","startHours":26.136602492671532,"endHours":27.659697488826726,"quality":"neutral"},{"name":"Labha","start":"03:40","end":"05:11","startHours":27.659697488826726,"endHours":29.182792484981917,"quality":"auspicious"},{"name":"Amṛta","start":"05:11","end":"06:42","startHours":29.182792484981917,"endHours":30.70588748113711,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.705887481137113,"endHours":7.705887481137113,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.705887481137113,"endHours":8.705887481137113,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.705887481137113,"endHours":9.705887481137113,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.705887481137113,"endHours":10.705887481137113,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.705887481137113,"endHours":11.705887481137113,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.705887481137113,"endHours":12.705887481137113,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.705887481137113,"endHours":13.705887481137113,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.705887481137113,"endHours":14.705887481137113,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.705887481137113,"endHours":15.705887481137113,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.705887481137113,"endHours":16.70588748113711,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.70588748113711,"endHours":17.70588748113711,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.70588748113711,"endHours":18.70588748113711,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.70588748113711,"endHours":19.70588748113711,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.70588748113711,"endHours":20.70588748113711,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.70588748113711,"endHours":21.70588748113711,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.70588748113711,"endHours":22.70588748113711,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.70588748113711,"endHours":23.70588748113711,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.70588748113711,"endHours":24.70588748113711,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.70588748113711,"endHours":25.70588748113711,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.70588748113711,"endHours":26.70588748113711,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.70588748113711,"endHours":27.70588748113711,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.70588748113711,"endHours":28.70588748113711,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.70588748113711,"endHours":29.70588748113711,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.70588748113711,"endHours":30.70588748113711,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.522240002693713,"eotMinutes":12.958750209019716,"ayanamsa":24.157}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 2078 Ānanda · Śaka 1943 Plava"},"festivals":[{"id":"sharadiya-navratri-start","name":"Śāradīya Navrātri Start","name_sanskrit":"शारदीय नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"Autumn Navrātri begins; Devī Mahiṣāsura-mardinī worship for 9 nights.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 October 7, 2021 CE · Jamnagar, Gujarat · Vidhyamitra","description":"October 7, 2021 CE for Jamnagar, Gujarat: Śukla Pratipada, sūryodaya 06:42, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/2021-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/2021-10-07","sa":"https://sa.vidhyamitra.com/city/jamnagar/2021-10-07","hi":"https://hi.vidhyamitra.com/city/jamnagar/2021-10-07","x-default":"https://vidhyamitra.com/city/jamnagar/2021-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:20:58.685Z","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":"2026-05-15T06:20:58.685Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:20:58.685Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}