{"id":"vidhyamitra:city-day:jamnagar:1986-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1986-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-10-04","date_display":"October 4, 1986 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":1986,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446707.770833,"kali_year":5088,"ahargana":1858242.2708,"sun":{"sidereal_longitude":166.1453,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":168.1027,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.9575,"elapsed_within_tithi_degrees":1.9575},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.1027,"elapsed_within_degrees":8.1027},"yoga":{"number":26,"name":"Indra","sum_longitude":334.248},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1986,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446707.770833,"ahargana":1858242.2708,"kali_year":5088,"ayanamsa_lahiri":23.668,"grahas":{"sun":{"sidereal_longitude":166.85872799999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":170.09292800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":1.0326},"mars":{"sidereal_longitude":273.827228,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":186.49582800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":322.123928,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":204.59602799999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":221.61012800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":1.382,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.382,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446707.770833,"kali_year":5088,"ahargana":1858242.2708,"sun":{"sidereal_longitude":166.1453,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":168.1027,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.9575,"elapsed_within_tithi_degrees":1.9575},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":168.1027,"elapsed_within_degrees":8.1027},"yoga":{"number":26,"name":"Indra","sum_longitude":334.248},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.033,"opposition_distance":178.043}},"eclipse_window_40days":[{"offset_days":0,"type":"solar","occurs":true,"moon_latitude":1.033,"elongation":1.957}]},"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":"06:41","sunsetLocal":"18:34","solarNoonLocal":"12:38","dayLengthHours":11.890293679836883,"dayLengthDisplay":"11 Hours 53 Mins 25 Secs","nightLengthDisplay":"12 Hours 06 Mins 35 Secs","moonriseLocal":"06:57","moonsetLocal":"18:44","rahuKala":{"name":"Rāhu Kāla","start":"09:39","end":"11:08","startHours":9.65529552691261,"endHours":11.14158223689222,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:36","startHours":14.114155656851441,"endHours":15.60044236683105,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:41","end":"08:10","startHours":6.682722106953389,"endHours":8.169008816933,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:51","startHours":9.457123965581996,"endHours":9.853467088243224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:30","startHours":7.178151010279926,"endHours":7.495225508408909,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:01","startHours":12.231525824210602,"endHours":13.024212069533059,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:06","end":"05:53","startHours":5.097349616308471,"endHours":5.89003586163093,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:42","end":"06:41","startHours":5.691864300300316,"endHours":6.682722106953389,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:24","startHours":14.609584560177979,"endHours":15.402270805500438,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.373015786790273,"endHours":18.77301578679027,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:04","startHours":18.573015786790272,"endHours":19.06844469011681,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.323015786790272,"endHours":20.073015786790272,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:01","startHours":24.2315258242106,"endHours":25.024212069533057,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:41","end":"08:10","startHours":6.682722106953389,"endHours":8.169008816933,"quality":"inauspicious"},{"name":"Śubha","start":"08:10","end":"09:39","startHours":8.169008816933,"endHours":9.65529552691261,"quality":"auspicious"},{"name":"Roga","start":"09:39","end":"11:08","startHours":9.65529552691261,"endHours":11.14158223689222,"quality":"inauspicious"},{"name":"Udveg","start":"11:08","end":"12:38","startHours":11.14158223689222,"endHours":12.627868946871832,"quality":"inauspicious"},{"name":"Chala","start":"12:38","end":"14:07","startHours":12.627868946871832,"endHours":14.114155656851441,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:36","startHours":14.114155656851441,"endHours":15.60044236683105,"quality":"auspicious"},{"name":"Amṛta","start":"15:36","end":"17:05","startHours":15.60044236683105,"endHours":17.086729076810663,"quality":"auspicious"},{"name":"Kāla","start":"17:05","end":"18:34","startHours":17.086729076810663,"endHours":18.573015786790272,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:34","end":"20:05","startHours":18.573015786790272,"endHours":20.086729076810663,"quality":"auspicious"},{"name":"Amṛta","start":"20:05","end":"21:36","startHours":20.086729076810663,"endHours":21.60044236683105,"quality":"auspicious"},{"name":"Kāla","start":"21:36","end":"23:07","startHours":21.60044236683105,"endHours":23.11415565685144,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:38","startHours":23.11415565685144,"endHours":24.62786894687183,"quality":"auspicious"},{"name":"Roga","start":"00:38","end":"02:08","startHours":24.62786894687183,"endHours":26.14158223689222,"quality":"inauspicious"},{"name":"Udveg","start":"02:08","end":"03:39","startHours":26.14158223689222,"endHours":27.65529552691261,"quality":"inauspicious"},{"name":"Chala","start":"03:39","end":"05:10","startHours":27.65529552691261,"endHours":29.169008816933,"quality":"neutral"},{"name":"Labha","start":"05:10","end":"06:41","startHours":29.169008816933,"endHours":30.68272210695339,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.682722106953389,"endHours":7.682722106953389,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.682722106953389,"endHours":8.682722106953388,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.682722106953388,"endHours":9.682722106953388,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.682722106953388,"endHours":10.682722106953388,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.682722106953388,"endHours":11.682722106953388,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.682722106953388,"endHours":12.682722106953388,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.682722106953388,"endHours":13.682722106953388,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.682722106953388,"endHours":14.682722106953388,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.682722106953388,"endHours":15.682722106953388,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.682722106953388,"endHours":16.68272210695339,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.68272210695339,"endHours":17.68272210695339,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.68272210695339,"endHours":18.68272210695339,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.68272210695339,"endHours":19.68272210695339,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.68272210695339,"endHours":20.68272210695339,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.68272210695339,"endHours":21.68272210695339,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.68272210695339,"endHours":22.68272210695339,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.68272210695339,"endHours":23.68272210695339,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.68272210695339,"endHours":24.68272210695339,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.68272210695339,"endHours":25.68272210695339,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.68272210695339,"endHours":26.68272210695339,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.68272210695339,"endHours":27.68272210695339,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.68272210695339,"endHours":28.68272210695339,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.68272210695339,"endHours":29.68272210695339,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.68272210695339,"endHours":30.68272210695339,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.166979034604256,"eotMinutes":12.09706318769023,"ayanamsa":23.668}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pratipada · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"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}],"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":[]},"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 4, 1986 CE · Jamnagar, Gujarat · Vidhyamitra","description":"October 4, 1986 CE for Jamnagar, Gujarat: Śukla Pratipada, sūryodaya 06:41, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1986-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1986-10-04","sa":"https://sa.vidhyamitra.com/city/jamnagar/1986-10-04","hi":"https://hi.vidhyamitra.com/city/jamnagar/1986-10-04","x-default":"https://vidhyamitra.com/city/jamnagar/1986-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T19:26:29.992Z","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":"2026-06-02T19:26:29.992Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T19:26:29.992Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}