{"id":"vidhyamitra:city-day:jamnagar:1981-07-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1981-07-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-11","date_display":"July 11, 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":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444796.770833,"kali_year":5083,"ahargana":1856331.2708,"sun":{"sidereal_longitude":84.7104,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":194.5809,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.8705,"elapsed_within_tithi_degrees":1.8705},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.5809,"elapsed_within_degrees":7.9142},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.2912},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":1981,"month":7,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444796.770833,"ahargana":1856331.2708,"kali_year":5083,"ayanamsa_lahiri":23.5949,"grahas":{"sun":{"sidereal_longitude":85.07024200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"moon":{"sidereal_longitude":196.36044199999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":4.4974},"mars":{"sidereal_longitude":61.669242,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":65.16234199999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":159.86314199999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":110.295142,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":160.188442,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":102.636,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":282.636,"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":7,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444796.770833,"kali_year":5083,"ahargana":1856331.2708,"sun":{"sidereal_longitude":84.7104,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":194.5809,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":109.8705,"elapsed_within_tithi_degrees":1.8705},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.5809,"elapsed_within_degrees":7.9142},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.2912},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.497,"elongation":109.871},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.497,"opposition_distance":70.129}},"eclipse_window_40days":[{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":20,"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":"06:12","sunsetLocal":"19:38","solarNoonLocal":"12:55","dayLengthHours":13.423370724505906,"dayLengthDisplay":"13 Hours 25 Mins 24 Secs","nightLengthDisplay":"10 Hours 34 Mins 36 Secs","moonriseLocal":"14:43","moonsetLocal":"01:58","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"11:14","startHours":9.558794165371733,"endHours":11.23671550593497,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:36","end":"16:16","startHours":14.592558187061448,"endHours":16.270479527624687,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:12","end":"07:53","startHours":6.202951484245256,"endHours":7.8808728248084945,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:47","startHours":9.335071319963301,"endHours":9.782517010780165,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:07","startHours":6.762258597766335,"endHours":7.120215150419826,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:22","startHours":12.467191155681347,"endHours":13.362082537315073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:18","startHours":4.413168720977802,"endHours":5.308060102611529,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:05","end":"06:12","startHours":5.084337257203098,"endHours":6.202951484245256,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:09","end":"16:03","startHours":15.151865300582527,"endHours":16.046756682216255,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:26","end":"19:50","startHours":19.426322208751163,"endHours":19.82632220875116,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:38","end":"20:11","startHours":19.626322208751162,"endHours":20.18562932227224,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:23","end":"21:08","startHours":19.376322208751162,"endHours":21.126322208751162,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:22","startHours":24.46719115568135,"endHours":25.362082537315075,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:12","end":"07:53","startHours":6.202951484245256,"endHours":7.8808728248084945,"quality":"inauspicious"},{"name":"Śubha","start":"07:53","end":"09:34","startHours":7.8808728248084945,"endHours":9.558794165371733,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"11:14","startHours":9.558794165371733,"endHours":11.23671550593497,"quality":"inauspicious"},{"name":"Udveg","start":"11:14","end":"12:55","startHours":11.23671550593497,"endHours":12.914636846498208,"quality":"inauspicious"},{"name":"Chala","start":"12:55","end":"14:36","startHours":12.914636846498208,"endHours":14.592558187061448,"quality":"neutral"},{"name":"Labha","start":"14:36","end":"16:16","startHours":14.592558187061448,"endHours":16.270479527624687,"quality":"auspicious"},{"name":"Amṛta","start":"16:16","end":"17:57","startHours":16.270479527624687,"endHours":17.948400868187925,"quality":"auspicious"},{"name":"Kāla","start":"17:57","end":"19:38","startHours":17.948400868187925,"endHours":19.626322208751162,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:38","end":"20:57","startHours":19.626322208751162,"endHours":20.948400868187925,"quality":"auspicious"},{"name":"Amṛta","start":"20:57","end":"22:16","startHours":20.948400868187925,"endHours":22.270479527624687,"quality":"auspicious"},{"name":"Kāla","start":"22:16","end":"23:36","startHours":22.270479527624687,"endHours":23.59255818706145,"quality":"inauspicious"},{"name":"Śubha","start":"23:36","end":"00:55","startHours":23.59255818706145,"endHours":24.914636846498208,"quality":"auspicious"},{"name":"Roga","start":"00:55","end":"02:14","startHours":24.914636846498208,"endHours":26.23671550593497,"quality":"inauspicious"},{"name":"Udveg","start":"02:14","end":"03:34","startHours":26.23671550593497,"endHours":27.558794165371733,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"04:53","startHours":27.558794165371733,"endHours":28.880872824808492,"quality":"neutral"},{"name":"Labha","start":"04:53","end":"06:12","startHours":28.880872824808492,"endHours":30.202951484245254,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.202951484245256,"endHours":7.202951484245256,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.202951484245256,"endHours":8.202951484245256,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.202951484245256,"endHours":9.202951484245256,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.202951484245256,"endHours":10.202951484245256,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.202951484245256,"endHours":11.202951484245256,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.202951484245256,"endHours":12.202951484245256,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.202951484245256,"endHours":13.202951484245256,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.202951484245256,"endHours":14.202951484245256,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.202951484245256,"endHours":15.202951484245256,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.202951484245256,"endHours":16.202951484245254,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.202951484245254,"endHours":17.202951484245254,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.202951484245254,"endHours":18.202951484245254,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.202951484245254,"endHours":19.202951484245254,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.202951484245254,"endHours":20.202951484245254,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.202951484245254,"endHours":21.202951484245254,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.202951484245254,"endHours":22.202951484245254,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.202951484245254,"endHours":23.202951484245254,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.202951484245254,"endHours":24.202951484245254,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.202951484245254,"endHours":25.202951484245254,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.202951484245254,"endHours":26.202951484245254,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.202951484245254,"endHours":27.202951484245254,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.202951484245254,"endHours":28.202951484245254,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.202951484245254,"endHours":29.202951484245254,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.202951484245254,"endHours":30.202951484245254,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":22.136460309043745,"eotMinutes":-5.10901078989257,"ayanamsa":23.5949}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"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 July 11, 1981 CE · Jamnagar, Gujarat · Vidhyamitra","description":"July 11, 1981 CE for Jamnagar, Gujarat: Śukla Daśamī, sūryodaya 06:12, sūryāsta 19:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1981-07-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1981-07-11","sa":"https://sa.vidhyamitra.com/city/jamnagar/1981-07-11","hi":"https://hi.vidhyamitra.com/city/jamnagar/1981-07-11","x-default":"https://vidhyamitra.com/city/jamnagar/1981-07-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T16:28:23.739Z","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":"2026-05-18T16:28:23.739Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T16:28:23.739Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}