{"id":"vidhyamitra:city-day:jamnagar:1981-08-02:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-08-02","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-02","date_display":"August 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":8,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444818.770833,"kali_year":5083,"ahargana":1856353.2708,"sun":{"sidereal_longitude":105.5779,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":130.9506,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":25.3727,"elapsed_within_tithi_degrees":1.3727},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.9506,"elapsed_within_degrees":10.9506},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.5285},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":8,"day":2,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444818.770833,"ahargana":1856353.2708,"kali_year":5083,"ayanamsa_lahiri":23.5957,"grahas":{"sun":{"sidereal_longitude":106.07670200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":129.760002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":2.2128},"mars":{"sidereal_longitude":76.47880199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":97.24120199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":162.96570199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":136.869302,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":161.76350200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.4703,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.4703,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1981,"month":8,"day":2,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444818.770833,"kali_year":5083,"ahargana":1856353.2708,"sun":{"sidereal_longitude":105.5779,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":130.9506,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":25.3727,"elapsed_within_tithi_degrees":1.3727},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.9506,"elapsed_within_degrees":10.9506},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.5285},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.213,"elongation":25.373},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.213,"opposition_distance":154.627}},"eclipse_window_40days":[{"offset_days":-16,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":-2,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"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":"06:21","sunsetLocal":"19:30","solarNoonLocal":"12:56","dayLengthHours":13.146664748091373,"dayLengthDisplay":"13 Hours 08 Mins 48 Secs","nightLengthDisplay":"10 Hours 51 Mins 12 Secs","moonriseLocal":"08:11","moonsetLocal":"20:50","rahuKala":{"name":"Rāhu Kāla","start":"17:52","end":"19:30","startHours":17.85871148253655,"endHours":19.50204457604797,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:56","end":"14:34","startHours":12.928712202002284,"endHours":14.572045295513707,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:13","end":"17:52","startHours":16.215378389025126,"endHours":17.85871148253655,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:52","startHours":9.422934935844586,"endHours":9.861157094114297,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:15","startHours":6.903157525793739,"endHours":7.253735252409509,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:22","startHours":12.490490043732573,"endHours":13.366934360271996,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:29","startHours":4.602491194877748,"endHours":5.478935511417173,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:21","startHours":5.2598244322823176,"endHours":6.3553798279565985,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:07","end":"16:00","startHours":15.119822993350848,"endHours":15.996267309890273,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:18","end":"19:42","startHours":19.302044576047972,"endHours":19.70204457604797,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:30","end":"20:03","startHours":19.50204457604797,"endHours":20.049822273885113,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:15","end":"21:00","startHours":19.25204457604797,"endHours":21.00204457604797,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:22","startHours":24.49049004373257,"endHours":25.366934360271998,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:21","end":"08:00","startHours":6.3553798279565985,"endHours":7.99871292146802,"quality":"inauspicious"},{"name":"Chala","start":"08:00","end":"09:39","startHours":7.99871292146802,"endHours":9.642046014979442,"quality":"neutral"},{"name":"Labha","start":"09:39","end":"11:17","startHours":9.642046014979442,"endHours":11.285379108490863,"quality":"auspicious"},{"name":"Amṛta","start":"11:17","end":"12:56","startHours":11.285379108490863,"endHours":12.928712202002284,"quality":"auspicious"},{"name":"Kāla","start":"12:56","end":"14:34","startHours":12.928712202002284,"endHours":14.572045295513707,"quality":"inauspicious"},{"name":"Śubha","start":"14:34","end":"16:13","startHours":14.572045295513707,"endHours":16.215378389025126,"quality":"auspicious"},{"name":"Roga","start":"16:13","end":"17:52","startHours":16.215378389025126,"endHours":17.85871148253655,"quality":"inauspicious"},{"name":"Udveg","start":"17:52","end":"19:30","startHours":17.85871148253655,"endHours":19.50204457604797,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:30","end":"20:52","startHours":19.50204457604797,"endHours":20.85871148253655,"quality":"auspicious"},{"name":"Roga","start":"20:52","end":"22:13","startHours":20.85871148253655,"endHours":22.21537838902513,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:34","startHours":22.21537838902513,"endHours":23.572045295513707,"quality":"inauspicious"},{"name":"Chala","start":"23:34","end":"00:56","startHours":23.572045295513707,"endHours":24.928712202002284,"quality":"neutral"},{"name":"Labha","start":"00:56","end":"02:17","startHours":24.928712202002284,"endHours":26.285379108490865,"quality":"auspicious"},{"name":"Amṛta","start":"02:17","end":"03:39","startHours":26.285379108490865,"endHours":27.642046014979442,"quality":"auspicious"},{"name":"Kāla","start":"03:39","end":"05:00","startHours":27.642046014979442,"endHours":28.99871292146802,"quality":"inauspicious"},{"name":"Śubha","start":"05:00","end":"06:21","startHours":28.99871292146802,"endHours":30.355379827956597,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:21","end":"07:21","startHours":6.3553798279565985,"endHours":7.3553798279565985,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:21","end":"08:21","startHours":7.3553798279565985,"endHours":8.355379827956599,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:21","end":"09:21","startHours":8.355379827956599,"endHours":9.355379827956599,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:21","end":"10:21","startHours":9.355379827956599,"endHours":10.355379827956599,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:21","end":"11:21","startHours":10.355379827956599,"endHours":11.355379827956599,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:21","end":"12:21","startHours":11.355379827956599,"endHours":12.355379827956599,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:21","end":"13:21","startHours":12.355379827956599,"endHours":13.355379827956599,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:21","end":"14:21","startHours":13.355379827956599,"endHours":14.355379827956599,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:21","end":"15:21","startHours":14.355379827956599,"endHours":15.355379827956599,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:21","end":"16:21","startHours":15.355379827956599,"endHours":16.355379827956597,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:21","end":"17:21","startHours":16.355379827956597,"endHours":17.355379827956597,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:21","end":"18:21","startHours":17.355379827956597,"endHours":18.355379827956597,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:21","end":"19:21","startHours":18.355379827956597,"endHours":19.355379827956597,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:21","end":"20:21","startHours":19.355379827956597,"endHours":20.355379827956597,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:21","end":"21:21","startHours":20.355379827956597,"endHours":21.355379827956597,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:21","end":"22:21","startHours":21.355379827956597,"endHours":22.355379827956597,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:21","end":"23:21","startHours":22.355379827956597,"endHours":23.355379827956597,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:21","end":"00:21","startHours":23.355379827956597,"endHours":24.355379827956597,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:21","end":"01:21","startHours":24.355379827956597,"endHours":25.355379827956597,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:21","end":"02:21","startHours":25.355379827956597,"endHours":26.355379827956597,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:21","end":"03:21","startHours":26.355379827956597,"endHours":27.355379827956597,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:21","end":"04:21","startHours":27.355379827956597,"endHours":28.355379827956597,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:21","end":"05:21","startHours":28.355379827956597,"endHours":29.355379827956597,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:21","end":"06:21","startHours":29.355379827956597,"endHours":30.355379827956597,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.826612748555796,"eotMinutes":-5.953532120137101,"ayanamsa":23.5957}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Tṛtīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 2, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"August 2, 1981 CE for Jamnagar, Gujarat: Śukla Tṛtīyā, sūryodaya 06:21, sūryāsta 19:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-08-02","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-08-02","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-08-02","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-08-02","x-default":"https://vidhyamitra.com/city/jamnagar/1981-08-02"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T00:55:41.529Z","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":"2026-05-20T00:55:41.529Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T00:55:41.529Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}