{"id":"vidhyamitra:city-day:jamnagar:1986-08-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jamnagar/1986-08-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-08-15","date_display":"August 15, 1986 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":1986,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446657.770833,"kali_year":5088,"ahargana":1858192.2708,"sun":{"sidereal_longitude":117.6897,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":235.6296,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":117.9399,"elapsed_within_tithi_degrees":9.9399},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.6296,"elapsed_within_degrees":8.963},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3194},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1986,"month":8,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446657.770833,"ahargana":1858192.2708,"kali_year":5088,"ayanamsa_lahiri":23.6661,"grahas":{"sun":{"sidereal_longitude":118.27033800000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":234.068938,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-3.5251},"mars":{"sidereal_longitude":258.000938,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":100.07583799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":328.26943800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":164.045838,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":219.10803799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":4.0312,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.0312,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":8,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446657.770833,"kali_year":5088,"ahargana":1858192.2708,"sun":{"sidereal_longitude":117.6897,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":235.6296,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":117.9399,"elapsed_within_tithi_degrees":9.9399},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.6296,"elapsed_within_degrees":8.963},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.3194},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.525,"elongation":117.94},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.525,"opposition_distance":62.06}},"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":"06:26","sunsetLocal":"19:22","solarNoonLocal":"12:54","dayLengthHours":12.925466412687797,"dayLengthDisplay":"12 Hours 55 Mins 32 Secs","nightLengthDisplay":"11 Hours 04 Mins 28 Secs","moonriseLocal":"15:15","moonsetLocal":"02:00","rahuKala":{"name":"Rāhu Kāla","start":"11:17","end":"12:54","startHours":11.283415160524502,"endHours":12.899098462110477,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"16:08","end":"17:45","startHours":16.130465065282426,"endHours":17.7461483668684,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:03","end":"09:40","startHours":8.052048557352553,"endHours":9.667731858938527,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:53","startHours":9.452307418727063,"endHours":9.883156299149991,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:19","startHours":6.974926356295236,"endHours":7.319605460633577,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:28","end":"13:20","startHours":12.46824958168755,"endHours":13.329947342533403,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:43","end":"05:34","startHours":4.712969734074871,"endHours":5.574667494920725,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:26","startHours":5.359243054709261,"endHours":6.436365255766578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:03","end":"15:55","startHours":15.05334286422511,"endHours":15.915040625070963,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:10","end":"19:34","startHours":19.161831668454376,"endHours":19.561831668454374,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:22","end":"19:54","startHours":19.361831668454375,"endHours":19.900392768983032,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:07","end":"20:52","startHours":19.111831668454375,"endHours":20.861831668454375,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:28","end":"01:20","startHours":24.46824958168755,"endHours":25.3299473425334,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:26","end":"08:03","startHours":6.436365255766578,"endHours":8.052048557352553,"quality":"neutral"},{"name":"Labha","start":"08:03","end":"09:40","startHours":8.052048557352553,"endHours":9.667731858938527,"quality":"auspicious"},{"name":"Amṛta","start":"09:40","end":"11:17","startHours":9.667731858938527,"endHours":11.283415160524502,"quality":"auspicious"},{"name":"Kāla","start":"11:17","end":"12:54","startHours":11.283415160524502,"endHours":12.899098462110477,"quality":"inauspicious"},{"name":"Śubha","start":"12:54","end":"14:31","startHours":12.899098462110477,"endHours":14.514781763696451,"quality":"auspicious"},{"name":"Roga","start":"14:31","end":"16:08","startHours":14.514781763696451,"endHours":16.130465065282426,"quality":"inauspicious"},{"name":"Udveg","start":"16:08","end":"17:45","startHours":16.130465065282426,"endHours":17.7461483668684,"quality":"inauspicious"},{"name":"Chala","start":"17:45","end":"19:22","startHours":17.7461483668684,"endHours":19.361831668454375,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:22","end":"20:45","startHours":19.361831668454375,"endHours":20.7461483668684,"quality":"inauspicious"},{"name":"Udveg","start":"20:45","end":"22:08","startHours":20.7461483668684,"endHours":22.130465065282426,"quality":"inauspicious"},{"name":"Chala","start":"22:08","end":"23:31","startHours":22.130465065282426,"endHours":23.51478176369645,"quality":"neutral"},{"name":"Labha","start":"23:31","end":"00:54","startHours":23.51478176369645,"endHours":24.899098462110477,"quality":"auspicious"},{"name":"Amṛta","start":"00:54","end":"02:17","startHours":24.899098462110477,"endHours":26.283415160524502,"quality":"auspicious"},{"name":"Kāla","start":"02:17","end":"03:40","startHours":26.283415160524502,"endHours":27.667731858938527,"quality":"inauspicious"},{"name":"Śubha","start":"03:40","end":"05:03","startHours":27.667731858938527,"endHours":29.052048557352553,"quality":"auspicious"},{"name":"Roga","start":"05:03","end":"06:26","startHours":29.052048557352553,"endHours":30.436365255766578,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:26","end":"07:26","startHours":6.436365255766578,"endHours":7.436365255766578,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:26","end":"08:26","startHours":7.436365255766578,"endHours":8.436365255766578,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:26","end":"09:26","startHours":8.436365255766578,"endHours":9.436365255766578,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:26","end":"10:26","startHours":9.436365255766578,"endHours":10.436365255766578,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:26","end":"11:26","startHours":10.436365255766578,"endHours":11.436365255766578,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:26","end":"12:26","startHours":11.436365255766578,"endHours":12.436365255766578,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:26","end":"13:26","startHours":12.436365255766578,"endHours":13.436365255766578,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:26","end":"14:26","startHours":13.436365255766578,"endHours":14.436365255766578,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:26","end":"15:26","startHours":14.436365255766578,"endHours":15.436365255766578,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:26","end":"16:26","startHours":15.436365255766578,"endHours":16.436365255766578,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:26","end":"17:26","startHours":16.436365255766578,"endHours":17.436365255766578,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:26","end":"18:26","startHours":17.436365255766578,"endHours":18.436365255766578,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:26","end":"19:26","startHours":18.436365255766578,"endHours":19.436365255766578,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:26","end":"20:26","startHours":19.436365255766578,"endHours":20.436365255766578,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:26","end":"21:26","startHours":20.436365255766578,"endHours":21.436365255766578,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:26","end":"22:26","startHours":21.436365255766578,"endHours":22.436365255766578,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:26","end":"23:26","startHours":22.436365255766578,"endHours":23.436365255766578,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:26","end":"00:26","startHours":23.436365255766578,"endHours":24.436365255766578,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:26","end":"01:26","startHours":24.436365255766578,"endHours":25.436365255766578,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:26","end":"02:26","startHours":25.436365255766578,"endHours":26.436365255766578,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:26","end":"03:26","startHours":26.436365255766578,"endHours":27.436365255766578,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:26","end":"04:26","startHours":27.436365255766578,"endHours":28.436365255766578,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:26","end":"05:26","startHours":28.436365255766578,"endHours":29.436365255766578,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:26","end":"06:26","startHours":29.436365255766578,"endHours":30.436365255766578,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mudgara","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":14.19460479212581,"eotMinutes":-4.176707726628523,"ayanamsa":23.6661}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"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 Daśamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 15, 1986 CE · Jamnagar, Gujarat · Vidhyamitra","description":"August 15, 1986 CE for Jamnagar, Gujarat: Śukla Daśamī, sūryodaya 06:26, sūryāsta 19:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jamnagar/1986-08-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jamnagar/1986-08-15","sa":"https://sa.vidhyamitra.com/city/jamnagar/1986-08-15","hi":"https://hi.vidhyamitra.com/city/jamnagar/1986-08-15","x-default":"https://vidhyamitra.com/city/jamnagar/1986-08-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:33:50.111Z","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":"2026-06-02T06:33:50.111Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:33:50.111Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}