{"id":"vidhyamitra:city-day:bhavnagar:1981-08-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bhavnagar/1981-08-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-08-06","date_display":"August 6, 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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444822.770833,"kali_year":5083,"ahargana":1856357.2708,"sun":{"sidereal_longitude":109.3846,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":180.7654,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.3808,"elapsed_within_tithi_degrees":11.3808},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":180.7654,"elapsed_within_degrees":7.4321},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.15},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444822.770833,"ahargana":1856357.2708,"kali_year":5083,"ayanamsa_lahiri":23.5959,"grahas":{"sun":{"sidereal_longitude":109.90654899999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":180.35974899999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":4.4246},"mars":{"sidereal_longitude":79.126349,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":105.517449,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":163.62074899999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":141.67454899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":162.11284899999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.2584,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.2584,"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":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444822.770833,"kali_year":5083,"ahargana":1856357.2708,"sun":{"sidereal_longitude":109.3846,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":180.7654,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.3808,"elapsed_within_tithi_degrees":11.3808},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":180.7654,"elapsed_within_degrees":7.4321},"yoga":{"number":22,"name":"Sādhya","sum_longitude":290.15},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.425,"elongation":71.381},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.425,"opposition_distance":108.619}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"bhavnagar","name":"Bhavnagar, Gujarat","lat":21.7645,"lon":72.1519,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"bhavnagar","name":"Bhavnagar, Gujarat","lat":21.7645,"lon":72.1519,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"06:16","sunsetLocal":"19:18","solarNoonLocal":"12:47","dayLengthHours":13.047171987149705,"dayLengthDisplay":"13 Hours 02 Mins 50 Secs","nightLengthDisplay":"10 Hours 57 Mins 10 Secs","moonriseLocal":"11:41","moonsetLocal":"23:16","rahuKala":{"name":"Rāhu Kāla","start":"14:25","end":"16:03","startHours":14.413975250544139,"endHours":16.04487174893785,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:53","startHours":6.259492758575574,"endHours":7.890389256969287,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:31","end":"11:09","startHours":9.521285755363,"endHours":11.152182253756713,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:44","startHours":9.303832888910506,"endHours":9.738738621815495,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:09","startHours":6.803124924706811,"endHours":7.151049511030803,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:13","startHours":12.348173019245436,"endHours":13.217984485055418,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:23","startHours":4.519869826955613,"endHours":5.3896812927655935,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:10","end":"06:16","startHours":5.172228426313098,"endHours":6.259492758575574,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:57","end":"15:50","startHours":14.957607416675378,"endHours":15.82741888248536,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:06","end":"19:30","startHours":19.10666474572528,"endHours":19.506664745725278,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:18","end":"19:51","startHours":19.30666474572528,"endHours":19.850296911856518,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:03","end":"20:48","startHours":19.05666474572528,"endHours":20.80666474572528,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:13","startHours":24.348173019245436,"endHours":25.217984485055418,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:53","startHours":6.259492758575574,"endHours":7.890389256969287,"quality":"auspicious"},{"name":"Roga","start":"07:53","end":"09:31","startHours":7.890389256969287,"endHours":9.521285755363,"quality":"inauspicious"},{"name":"Udveg","start":"09:31","end":"11:09","startHours":9.521285755363,"endHours":11.152182253756713,"quality":"inauspicious"},{"name":"Chala","start":"11:09","end":"12:47","startHours":11.152182253756713,"endHours":12.783078752150427,"quality":"neutral"},{"name":"Labha","start":"12:47","end":"14:25","startHours":12.783078752150427,"endHours":14.413975250544139,"quality":"auspicious"},{"name":"Amṛta","start":"14:25","end":"16:03","startHours":14.413975250544139,"endHours":16.04487174893785,"quality":"auspicious"},{"name":"Kāla","start":"16:03","end":"17:41","startHours":16.04487174893785,"endHours":17.675768247331565,"quality":"inauspicious"},{"name":"Śubha","start":"17:41","end":"19:18","startHours":17.675768247331565,"endHours":19.30666474572528,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:18","end":"20:41","startHours":19.30666474572528,"endHours":20.675768247331565,"quality":"auspicious"},{"name":"Kāla","start":"20:41","end":"22:03","startHours":20.675768247331565,"endHours":22.04487174893785,"quality":"inauspicious"},{"name":"Śubha","start":"22:03","end":"23:25","startHours":22.04487174893785,"endHours":23.41397525054414,"quality":"auspicious"},{"name":"Roga","start":"23:25","end":"00:47","startHours":23.41397525054414,"endHours":24.783078752150427,"quality":"inauspicious"},{"name":"Udveg","start":"00:47","end":"02:09","startHours":24.783078752150427,"endHours":26.152182253756713,"quality":"inauspicious"},{"name":"Chala","start":"02:09","end":"03:31","startHours":26.152182253756713,"endHours":27.521285755363,"quality":"neutral"},{"name":"Labha","start":"03:31","end":"04:53","startHours":27.521285755363,"endHours":28.890389256969286,"quality":"auspicious"},{"name":"Amṛta","start":"04:53","end":"06:16","startHours":28.890389256969286,"endHours":30.259492758575576,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.259492758575574,"endHours":7.259492758575574,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.259492758575574,"endHours":8.259492758575574,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.259492758575574,"endHours":9.259492758575574,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.259492758575574,"endHours":10.259492758575574,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.259492758575574,"endHours":11.259492758575574,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.259492758575574,"endHours":12.259492758575574,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.259492758575574,"endHours":13.259492758575574,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.259492758575574,"endHours":14.259492758575574,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.259492758575574,"endHours":15.259492758575574,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.259492758575574,"endHours":16.259492758575576,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.259492758575576,"endHours":17.259492758575576,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.259492758575576,"endHours":18.259492758575576,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.259492758575576,"endHours":19.259492758575576,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.259492758575576,"endHours":20.259492758575576,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.259492758575576,"endHours":21.259492758575576,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.259492758575576,"endHours":22.259492758575576,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.259492758575576,"endHours":23.259492758575576,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.259492758575576,"endHours":24.259492758575576,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.259492758575576,"endHours":25.259492758575576,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.259492758575576,"endHours":26.259492758575576,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.259492758575576,"endHours":27.259492758575576,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.259492758575576,"endHours":28.259492758575576,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.259492758575576,"endHours":29.259492758575576,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.259492758575576,"endHours":30.259492758575576,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":16.76776946681193,"eotMinutes":-5.592325129025582,"ayanamsa":23.5959}},"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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"bhavnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 6, 1981 CE · Bhavnagar, Gujarat · Vidhyamitra","description":"August 6, 1981 CE for Bhavnagar, Gujarat: Śukla Ṣaṣṭhī, sūryodaya 06:16, sūryāsta 19:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bhavnagar/1981-08-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bhavnagar/1981-08-06","sa":"https://sa.vidhyamitra.com/city/bhavnagar/1981-08-06","hi":"https://hi.vidhyamitra.com/city/bhavnagar/1981-08-06","x-default":"https://vidhyamitra.com/city/bhavnagar/1981-08-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T07:18:07.916Z","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":"2026-06-02T07:18:07.916Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T07:18:07.916Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}