{"id":"vidhyamitra:city-day:jamnagar:1981-10-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-10-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-02","date_display":"October 2, 1981 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":1981,"month":10,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444879.770833,"kali_year":5083,"ahargana":1856414.2708,"sun":{"sidereal_longitude":164.4657,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":211.1129,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.6473,"elapsed_within_tithi_degrees":10.6473},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.1129,"elapsed_within_degrees":11.1129},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.5786},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1981,"month":10,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444879.770833,"ahargana":1856414.2708,"kali_year":5083,"ayanamsa_lahiri":23.5981,"grahas":{"sun":{"sidereal_longitude":165.16727100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":208.51727099999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":4.1455},"mars":{"sidereal_longitude":115.29867100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":189.74157100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":174.87197100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":208.77807099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":168.42077100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.2382,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.2382,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":10,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444879.770833,"kali_year":5083,"ahargana":1856414.2708,"sun":{"sidereal_longitude":164.4657,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":211.1129,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.6473,"elapsed_within_tithi_degrees":10.6473},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":211.1129,"elapsed_within_degrees":11.1129},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.5786},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.145,"elongation":46.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.145,"opposition_distance":133.353}},"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":"06:40","sunsetLocal":"18:36","solarNoonLocal":"12:38","dayLengthHours":11.928541604164696,"dayLengthDisplay":"11 Hours 55 Mins 43 Secs","nightLengthDisplay":"12 Hours 04 Mins 17 Secs","moonriseLocal":"10:00","moonsetLocal":"21:03","rahuKala":{"name":"Rāhu Kāla","start":"11:09","end":"12:38","startHours":11.147011633948782,"endHours":12.638079334469369,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:37","end":"17:07","startHours":15.620214735510544,"endHours":17.111282436031132,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:10","end":"09:39","startHours":8.164876232907607,"endHours":9.655943933428194,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:51","startHours":9.457134906692117,"endHours":9.854752960164273,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:29","startHours":7.170831099227216,"endHours":7.488925542004941,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:02","startHours":12.240461280997213,"endHours":13.035697387941525,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:05","end":"05:53","startHours":5.083336318498395,"endHours":5.878572425442708,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:40","startHours":5.67976339870663,"endHours":6.673808532387021,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:38","end":"15:25","startHours":14.626169601830153,"endHours":15.421405708774467,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.402350136551718,"endHours":18.802350136551716,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:06","startHours":18.602350136551717,"endHours":19.099372703391914,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.352350136551717,"endHours":20.102350136551717,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:02","startHours":24.24046128099721,"endHours":25.035697387941525,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:40","end":"08:10","startHours":6.673808532387021,"endHours":8.164876232907607,"quality":"neutral"},{"name":"Labha","start":"08:10","end":"09:39","startHours":8.164876232907607,"endHours":9.655943933428194,"quality":"auspicious"},{"name":"Amṛta","start":"09:39","end":"11:09","startHours":9.655943933428194,"endHours":11.147011633948782,"quality":"auspicious"},{"name":"Kāla","start":"11:09","end":"12:38","startHours":11.147011633948782,"endHours":12.638079334469369,"quality":"inauspicious"},{"name":"Śubha","start":"12:38","end":"14:08","startHours":12.638079334469369,"endHours":14.129147034989956,"quality":"auspicious"},{"name":"Roga","start":"14:08","end":"15:37","startHours":14.129147034989956,"endHours":15.620214735510544,"quality":"inauspicious"},{"name":"Udveg","start":"15:37","end":"17:07","startHours":15.620214735510544,"endHours":17.111282436031132,"quality":"inauspicious"},{"name":"Chala","start":"17:07","end":"18:36","startHours":17.111282436031132,"endHours":18.602350136551717,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:36","end":"20:07","startHours":18.602350136551717,"endHours":20.11128243603113,"quality":"inauspicious"},{"name":"Udveg","start":"20:07","end":"21:37","startHours":20.11128243603113,"endHours":21.620214735510544,"quality":"inauspicious"},{"name":"Chala","start":"21:37","end":"23:08","startHours":21.620214735510544,"endHours":23.129147034989956,"quality":"neutral"},{"name":"Labha","start":"23:08","end":"00:38","startHours":23.129147034989956,"endHours":24.638079334469367,"quality":"auspicious"},{"name":"Amṛta","start":"00:38","end":"02:09","startHours":24.638079334469367,"endHours":26.147011633948782,"quality":"auspicious"},{"name":"Kāla","start":"02:09","end":"03:39","startHours":26.147011633948782,"endHours":27.655943933428194,"quality":"inauspicious"},{"name":"Śubha","start":"03:39","end":"05:10","startHours":27.655943933428194,"endHours":29.16487623290761,"quality":"auspicious"},{"name":"Roga","start":"05:10","end":"06:40","startHours":29.16487623290761,"endHours":30.67380853238702,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.673808532387021,"endHours":7.673808532387021,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.673808532387021,"endHours":8.67380853238702,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.67380853238702,"endHours":9.67380853238702,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.67380853238702,"endHours":10.67380853238702,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.67380853238702,"endHours":11.67380853238702,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.67380853238702,"endHours":12.67380853238702,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.67380853238702,"endHours":13.67380853238702,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.67380853238702,"endHours":14.67380853238702,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.67380853238702,"endHours":15.67380853238702,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.67380853238702,"endHours":16.67380853238702,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.67380853238702,"endHours":17.67380853238702,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.67380853238702,"endHours":18.67380853238702,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.67380853238702,"endHours":19.67380853238702,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.67380853238702,"endHours":20.67380853238702,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.67380853238702,"endHours":21.67380853238702,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.67380853238702,"endHours":22.67380853238702,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.67380853238702,"endHours":23.67380853238702,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.67380853238702,"endHours":24.67380853238702,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.67380853238702,"endHours":25.67380853238702,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.67380853238702,"endHours":26.67380853238702,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.67380853238702,"endHours":27.67380853238702,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.67380853238702,"endHours":28.67380853238702,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.67380853238702,"endHours":29.67380853238702,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.67380853238702,"endHours":30.67380853238702,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-3.474819243039522,"eotMinutes":11.484439931837855,"ayanamsa":23.5981}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"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 Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 October 2, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"October 2, 1981 CE for Jamnagar, Gujarat: Śukla Caturthī, sūryodaya 06:40, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-10-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-10-02","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-10-02","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-10-02","x-default":"https://vidhyamitra.com/city/jamnagar/1981-10-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:17:19.015Z","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":"2026-05-30T23:17:19.015Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:17:19.015Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}