{"id":"vidhyamitra:city-day:bhavnagar:1981-06-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bhavnagar/1981-06-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-06-10","date_display":"June 10, 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":6,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444765.770833,"kali_year":5083,"ahargana":1856300.2708,"sun":{"sidereal_longitude":55.3491,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.4439,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.0948,"elapsed_within_tithi_degrees":10.0948},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4439,"elapsed_within_degrees":2.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.7929},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":6,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444765.770833,"ahargana":1856300.2708,"kali_year":5083,"ayanamsa_lahiri":23.5937,"grahas":{"sun":{"sidereal_longitude":55.49422700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":151.84272699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.1895},"mars":{"sidereal_longitude":40.07702699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":71.99752699999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":157.32072700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":72.52472699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":159.16882699999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":104.2785,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":284.2785,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"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":6,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444765.770833,"kali_year":5083,"ahargana":1856300.2708,"sun":{"sidereal_longitude":55.3491,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":149.4439,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.0948,"elapsed_within_tithi_degrees":10.0948},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.4439,"elapsed_within_degrees":2.7772},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.7929},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.19,"elongation":94.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.19,"opposition_distance":85.905}},"eclipse_window_40days":[]},"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":"05:58","sunsetLocal":"19:24","solarNoonLocal":"12:41","dayLengthHours":13.432212219864365,"dayLengthDisplay":"13 Hours 25 Mins 56 Secs","nightLengthDisplay":"10 Hours 34 Mins 04 Secs","moonriseLocal":"13:01","moonsetLocal":"01:11","rahuKala":{"name":"Rāhu Kāla","start":"12:41","end":"14:21","startHours":12.676425708351411,"endHours":14.355452235834457,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:38","end":"09:19","startHours":7.639346125902275,"endHours":9.318372653385321,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:00","end":"12:41","startHours":10.997399180868365,"endHours":12.676425708351411,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:33","startHours":9.094502449720913,"endHours":9.542242857049725,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:31","end":"06:53","startHours":6.519995107580244,"endHours":6.878187433443294,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:07","startHours":12.2286853010226,"endHours":13.124166115680223,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:04","startHours":4.169357969103981,"endHours":5.064838783761605,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:58","startHours":4.840968580097199,"endHours":5.960319598419229,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:49","startHours":14.915127744995472,"endHours":15.810608559653096,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.192531818283594,"endHours":19.592531818283593,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:57","startHours":19.392531818283594,"endHours":19.952207327444608,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.142531818283594,"endHours":20.892531818283594,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:07","startHours":24.228685301022598,"endHours":25.12416611568022,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:58","end":"07:38","startHours":5.960319598419229,"endHours":7.639346125902275,"quality":"auspicious"},{"name":"Amṛta","start":"07:38","end":"09:19","startHours":7.639346125902275,"endHours":9.318372653385321,"quality":"auspicious"},{"name":"Kāla","start":"09:19","end":"11:00","startHours":9.318372653385321,"endHours":10.997399180868365,"quality":"inauspicious"},{"name":"Śubha","start":"11:00","end":"12:41","startHours":10.997399180868365,"endHours":12.676425708351411,"quality":"auspicious"},{"name":"Roga","start":"12:41","end":"14:21","startHours":12.676425708351411,"endHours":14.355452235834457,"quality":"inauspicious"},{"name":"Udveg","start":"14:21","end":"16:02","startHours":14.355452235834457,"endHours":16.0344787633175,"quality":"inauspicious"},{"name":"Chala","start":"16:02","end":"17:43","startHours":16.0344787633175,"endHours":17.713505290800548,"quality":"neutral"},{"name":"Labha","start":"17:43","end":"19:24","startHours":17.713505290800548,"endHours":19.392531818283594,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:24","end":"20:43","startHours":19.392531818283594,"endHours":20.713505290800548,"quality":"inauspicious"},{"name":"Chala","start":"20:43","end":"22:02","startHours":20.713505290800548,"endHours":22.0344787633175,"quality":"neutral"},{"name":"Labha","start":"22:02","end":"23:21","startHours":22.0344787633175,"endHours":23.355452235834456,"quality":"auspicious"},{"name":"Amṛta","start":"23:21","end":"00:41","startHours":23.355452235834456,"endHours":24.67642570835141,"quality":"auspicious"},{"name":"Kāla","start":"00:41","end":"02:00","startHours":24.67642570835141,"endHours":25.997399180868364,"quality":"inauspicious"},{"name":"Śubha","start":"02:00","end":"03:19","startHours":25.997399180868364,"endHours":27.31837265338532,"quality":"auspicious"},{"name":"Roga","start":"03:19","end":"04:38","startHours":27.31837265338532,"endHours":28.639346125902275,"quality":"inauspicious"},{"name":"Udveg","start":"04:38","end":"05:58","startHours":28.639346125902275,"endHours":29.96031959841923,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.960319598419229,"endHours":6.960319598419229,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.960319598419229,"endHours":7.960319598419229,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.960319598419229,"endHours":8.960319598419229,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.960319598419229,"endHours":9.960319598419229,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.960319598419229,"endHours":10.960319598419229,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.960319598419229,"endHours":11.960319598419229,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.960319598419229,"endHours":12.960319598419229,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.960319598419229,"endHours":13.960319598419229,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.960319598419229,"endHours":14.960319598419229,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.960319598419229,"endHours":15.960319598419229,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.960319598419229,"endHours":16.96031959841923,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.96031959841923,"endHours":17.96031959841923,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.96031959841923,"endHours":18.96031959841923,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.96031959841923,"endHours":19.96031959841923,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.96031959841923,"endHours":20.96031959841923,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.96031959841923,"endHours":21.96031959841923,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.96031959841923,"endHours":22.96031959841923,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.96031959841923,"endHours":23.96031959841923,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.96031959841923,"endHours":24.96031959841923,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.96031959841923,"endHours":25.96031959841923,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.96031959841923,"endHours":26.96031959841923,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.96031959841923,"endHours":27.96031959841923,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.96031959841923,"endHours":28.96031959841923,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.96031959841923,"endHours":29.96031959841923,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.988166140136716,"eotMinutes":0.8068574989153692,"ayanamsa":23.5937}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Aṣṭamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 June 10, 1981 CE · Bhavnagar, Gujarat · Vidhyamitra","description":"June 10, 1981 CE for Bhavnagar, Gujarat: Śukla Aṣṭamī, sūryodaya 05:58, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bhavnagar/1981-06-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bhavnagar/1981-06-10","sa":"https://sa.vidhyamitra.com/city/bhavnagar/1981-06-10","hi":"https://hi.vidhyamitra.com/city/bhavnagar/1981-06-10","x-default":"https://vidhyamitra.com/city/bhavnagar/1981-06-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T16:22:37.359Z","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":"2026-06-02T16:22:37.359Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T16:22:37.359Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}