{"id":"vidhyamitra:city-day:jamnagar:1981-10-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-10-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-19","date_display":"October 19, 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":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444896.770833,"kali_year":5083,"ahargana":1856431.2708,"sun":{"sidereal_longitude":181.2919,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":73.861,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.569,"elapsed_within_tithi_degrees":0.569},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.861,"elapsed_within_degrees":7.1943},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.1529},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444896.770833,"ahargana":1856431.2708,"kali_year":5083,"ayanamsa_lahiri":23.5987,"grahas":{"sun":{"sidereal_longitude":181.97332200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":77.70962199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-1.7911},"mars":{"sidereal_longitude":125.456322,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":181.08262200000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":178.571822,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":227.92852199999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":170.50132199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":97.3375,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.3375,"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":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444896.770833,"kali_year":5083,"ahargana":1856431.2708,"sun":{"sidereal_longitude":181.2919,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":73.861,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.569,"elapsed_within_tithi_degrees":0.569},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.861,"elapsed_within_degrees":7.1943},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.1529},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.791,"elongation":107.431},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.791,"opposition_distance":72.569}},"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":"06:47","sunsetLocal":"18:21","solarNoonLocal":"12:34","dayLengthHours":11.571129190483193,"dayLengthDisplay":"11 Hours 34 Mins 16 Secs","nightLengthDisplay":"12 Hours 25 Mins 44 Secs","moonriseLocal":"22:54","moonsetLocal":"12:20","rahuKala":{"name":"Rāhu Kāla","start":"08:14","end":"09:41","startHours":8.231109637374486,"endHours":9.677500786184885,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:07","end":"12:34","startHours":11.123891934995285,"endHours":12.570283083805684,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:01","end":"15:28","startHours":14.016674232616083,"endHours":15.463065381426482,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:52","startHours":9.484648633010165,"endHours":9.870352939359606,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:35","startHours":7.266848871500886,"endHours":7.575412316580438,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:57","startHours":12.184578777456244,"endHours":12.955987390155125,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"06:01","startHours":5.241901263166328,"endHours":6.0133098758652075,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:47","startHours":5.820457722690487,"endHours":6.784718488564087,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:16","startHours":14.498804615552881,"endHours":15.27021322825176,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.15584767904728,"endHours":18.55584767904728,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:50","startHours":18.35584767904728,"endHours":18.837978061984078,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.10584767904728,"endHours":19.85584767904728,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:57","startHours":24.184578777456245,"endHours":24.955987390155123,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:47","end":"08:14","startHours":6.784718488564087,"endHours":8.231109637374486,"quality":"auspicious"},{"name":"Kāla","start":"08:14","end":"09:41","startHours":8.231109637374486,"endHours":9.677500786184885,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:07","startHours":9.677500786184885,"endHours":11.123891934995285,"quality":"auspicious"},{"name":"Roga","start":"11:07","end":"12:34","startHours":11.123891934995285,"endHours":12.570283083805684,"quality":"inauspicious"},{"name":"Udveg","start":"12:34","end":"14:01","startHours":12.570283083805684,"endHours":14.016674232616083,"quality":"inauspicious"},{"name":"Chala","start":"14:01","end":"15:28","startHours":14.016674232616083,"endHours":15.463065381426482,"quality":"neutral"},{"name":"Labha","start":"15:28","end":"16:55","startHours":15.463065381426482,"endHours":16.90945653023688,"quality":"auspicious"},{"name":"Amṛta","start":"16:55","end":"18:21","startHours":16.90945653023688,"endHours":18.35584767904728,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:21","end":"19:55","startHours":18.35584767904728,"endHours":19.90945653023688,"quality":"neutral"},{"name":"Labha","start":"19:55","end":"21:28","startHours":19.90945653023688,"endHours":21.463065381426482,"quality":"auspicious"},{"name":"Amṛta","start":"21:28","end":"23:01","startHours":21.463065381426482,"endHours":23.016674232616083,"quality":"auspicious"},{"name":"Kāla","start":"23:01","end":"00:34","startHours":23.016674232616083,"endHours":24.570283083805684,"quality":"inauspicious"},{"name":"Śubha","start":"00:34","end":"02:07","startHours":24.570283083805684,"endHours":26.123891934995285,"quality":"auspicious"},{"name":"Roga","start":"02:07","end":"03:41","startHours":26.123891934995285,"endHours":27.677500786184886,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:14","startHours":27.677500786184886,"endHours":29.231109637374487,"quality":"inauspicious"},{"name":"Chala","start":"05:14","end":"06:47","startHours":29.231109637374487,"endHours":30.78471848856409,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.784718488564087,"endHours":7.784718488564087,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.784718488564087,"endHours":8.784718488564087,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.784718488564087,"endHours":9.784718488564087,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.784718488564087,"endHours":10.784718488564087,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.784718488564087,"endHours":11.784718488564087,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.784718488564087,"endHours":12.784718488564087,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.784718488564087,"endHours":13.784718488564087,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.784718488564087,"endHours":14.784718488564087,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.784718488564087,"endHours":15.784718488564087,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.784718488564087,"endHours":16.78471848856409,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.78471848856409,"endHours":17.78471848856409,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.78471848856409,"endHours":18.78471848856409,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.78471848856409,"endHours":19.78471848856409,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.78471848856409,"endHours":20.78471848856409,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.78471848856409,"endHours":21.78471848856409,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.78471848856409,"endHours":22.78471848856409,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.78471848856409,"endHours":23.78471848856409,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.78471848856409,"endHours":24.78471848856409,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.78471848856409,"endHours":25.78471848856409,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.78471848856409,"endHours":26.78471848856409,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.78471848856409,"endHours":27.78471848856409,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.78471848856409,"endHours":28.78471848856409,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.78471848856409,"endHours":29.78471848856409,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.78471848856409,"endHours":30.78471848856409,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-9.885474818956373,"eotMinutes":15.552214971658897,"ayanamsa":23.5987}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Saptamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 19, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"October 19, 1981 CE for Jamnagar, Gujarat: Kṛṣṇa Saptamī, sūryodaya 06:47, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-10-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-10-19","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-10-19","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-10-19","x-default":"https://vidhyamitra.com/city/jamnagar/1981-10-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T16:46:40.682Z","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":"2026-05-18T16:46:40.682Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T16:46:40.682Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}