{"id":"vidhyamitra:city-day:dwarka:1986-07-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1986-07-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-07-13","date_display":"July 13, 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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446624.770833,"kali_year":5088,"ahargana":1858159.2708,"sun":{"sidereal_longitude":86.3259,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":156.914,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.588,"elapsed_within_tithi_degrees":10.588},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":156.914,"elapsed_within_degrees":10.2473},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.2399},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":7,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446624.770833,"ahargana":1858159.2708,"kali_year":5088,"ayanamsa_lahiri":23.6648,"grahas":{"sun":{"sidereal_longitude":86.709499,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":154.41729899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":2.1707},"mars":{"sidereal_longitude":263.388199,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":102.593099,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":330.01339900000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":128.05269899999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":219.562999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":5.7797,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":185.7797,"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":7,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446624.770833,"kali_year":5088,"ahargana":1858159.2708,"sun":{"sidereal_longitude":86.3259,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":156.914,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.588,"elapsed_within_tithi_degrees":10.588},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":156.914,"elapsed_within_degrees":10.2473},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.2399},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.171,"elongation":70.588},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.171,"opposition_distance":109.412}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"06:18","sunsetLocal":"19:41","solarNoonLocal":"12:59","dayLengthHours":13.392189682570061,"dayLengthDisplay":"13 Hours 23 Mins 32 Secs","nightLengthDisplay":"10 Hours 36 Mins 28 Secs","moonriseLocal":"11:27","moonsetLocal":"23:34","rahuKala":{"name":"Rāhu Kāla","start":"18:01","end":"19:41","startHours":18.01352161173312,"endHours":19.687545322054376,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:59","end":"14:40","startHours":12.991450480769345,"endHours":14.665474191090603,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:20","end":"18:01","startHours":16.33949790141186,"endHours":18.01352161173312,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:52","startHours":9.420199898750663,"endHours":9.866606221502998,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:51","end":"07:13","startHours":6.853363542924734,"endHours":7.2104886011266025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:33","end":"13:26","startHours":12.54504415801701,"endHours":13.43785680352168,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:31","end":"05:24","startHours":4.509730348474974,"endHours":5.402542993979644,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:11","end":"06:18","startHours":5.1793398326034765,"endHours":6.295355639484315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:13","end":"16:07","startHours":15.223482094531024,"endHours":16.116294740035695,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:29","end":"19:53","startHours":19.487545322054377,"endHours":19.887545322054375,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:41","end":"20:15","startHours":19.687545322054376,"endHours":20.245553225494795,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:26","end":"21:11","startHours":19.437545322054376,"endHours":21.187545322054376,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:33","end":"01:26","startHours":24.54504415801701,"endHours":25.43785680352168,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:18","end":"07:58","startHours":6.295355639484315,"endHours":7.969379349805573,"quality":"inauspicious"},{"name":"Chala","start":"07:58","end":"09:39","startHours":7.969379349805573,"endHours":9.64340306012683,"quality":"neutral"},{"name":"Labha","start":"09:39","end":"11:19","startHours":9.64340306012683,"endHours":11.317426770448087,"quality":"auspicious"},{"name":"Amṛta","start":"11:19","end":"12:59","startHours":11.317426770448087,"endHours":12.991450480769345,"quality":"auspicious"},{"name":"Kāla","start":"12:59","end":"14:40","startHours":12.991450480769345,"endHours":14.665474191090603,"quality":"inauspicious"},{"name":"Śubha","start":"14:40","end":"16:20","startHours":14.665474191090603,"endHours":16.33949790141186,"quality":"auspicious"},{"name":"Roga","start":"16:20","end":"18:01","startHours":16.33949790141186,"endHours":18.01352161173312,"quality":"inauspicious"},{"name":"Udveg","start":"18:01","end":"19:41","startHours":18.01352161173312,"endHours":19.687545322054376,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:41","end":"21:01","startHours":19.687545322054376,"endHours":21.01352161173312,"quality":"auspicious"},{"name":"Roga","start":"21:01","end":"22:20","startHours":21.01352161173312,"endHours":22.33949790141186,"quality":"inauspicious"},{"name":"Udveg","start":"22:20","end":"23:40","startHours":22.33949790141186,"endHours":23.665474191090603,"quality":"inauspicious"},{"name":"Chala","start":"23:40","end":"00:59","startHours":23.665474191090603,"endHours":24.991450480769345,"quality":"neutral"},{"name":"Labha","start":"00:59","end":"02:19","startHours":24.991450480769345,"endHours":26.317426770448087,"quality":"auspicious"},{"name":"Amṛta","start":"02:19","end":"03:39","startHours":26.317426770448087,"endHours":27.64340306012683,"quality":"auspicious"},{"name":"Kāla","start":"03:39","end":"04:58","startHours":27.64340306012683,"endHours":28.96937934980557,"quality":"inauspicious"},{"name":"Śubha","start":"04:58","end":"06:18","startHours":28.96937934980557,"endHours":30.295355639484313,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.295355639484315,"endHours":7.295355639484315,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.295355639484315,"endHours":8.295355639484315,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.295355639484315,"endHours":9.295355639484315,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.295355639484315,"endHours":10.295355639484315,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.295355639484315,"endHours":11.295355639484315,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.295355639484315,"endHours":12.295355639484315,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.295355639484315,"endHours":13.295355639484315,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.295355639484315,"endHours":14.295355639484315,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.295355639484315,"endHours":15.295355639484315,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.295355639484315,"endHours":16.295355639484313,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.295355639484313,"endHours":17.295355639484313,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.295355639484313,"endHours":18.295355639484313,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.295355639484313,"endHours":19.295355639484313,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.295355639484313,"endHours":20.295355639484313,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.295355639484313,"endHours":21.295355639484313,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.295355639484313,"endHours":22.295355639484313,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.295355639484313,"endHours":23.295355639484313,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.295355639484313,"endHours":24.295355639484313,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.295355639484313,"endHours":25.295355639484313,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.295355639484313,"endHours":26.295355639484313,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.295355639484313,"endHours":27.295355639484313,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.295355639484313,"endHours":28.295355639484313,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.295355639484313,"endHours":29.295355639484313,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.295355639484313,"endHours":30.295355639484313,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.891468657616684,"eotMinutes":-5.361428846160681,"ayanamsa":23.6648}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Ṣaṣṭhī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 13, 1986 CE · Dvārakā · Vidhyamitra","description":"July 13, 1986 CE for Dvārakā: Śukla Ṣaṣṭhī, sūryodaya 06:18, sūryāsta 19:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1986-07-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1986-07-13","sa":"https://sa.vidhyamitra.com/city/dwarka/1986-07-13","hi":"https://hi.vidhyamitra.com/city/dwarka/1986-07-13","x-default":"https://vidhyamitra.com/city/dwarka/1986-07-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:00:20.586Z","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":"2026-05-31T10:00:20.586Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:00:20.586Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}