{"id":"vidhyamitra:city-day:perth:1982-07-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1982-07-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-07-15","date_display":"July 15, 1982 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":1982,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445165.770833,"kali_year":5084,"ahargana":1856700.2708,"sun":{"sidereal_longitude":88.2532,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":12.7805,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.5273,"elapsed_within_tithi_degrees":8.5273},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.7805,"elapsed_within_degrees":12.7805},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.0338},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1982,"month":7,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445165.770833,"ahargana":1856700.2708,"kali_year":5084,"ayanamsa_lahiri":23.609,"grahas":{"sun":{"sidereal_longitude":88.64014399999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":9.812843999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":-4.2362},"mars":{"sidereal_longitude":176.17184399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":77.05414400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":187.856944,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":59.88784399999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":172.16824399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":83.0846,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":263.0846,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"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":1982,"month":7,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445165.770833,"kali_year":5084,"ahargana":1856700.2708,"sun":{"sidereal_longitude":88.2532,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":12.7805,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":284.5273,"elapsed_within_tithi_degrees":8.5273},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":12.7805,"elapsed_within_degrees":12.7805},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":101.0338},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.236,"elongation":75.473},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.236,"opposition_distance":104.527}},"eclipse_window_40days":[{"offset_days":-9,"type":"lunar","occurs":true,"moon_latitude":0.481,"opposition_distance":2.313}]},"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"tier2":{"city":{"slug":"perth","name":"Perth, Australia","lat":-31.9505,"lon":115.8605,"tz_offset_hours":8,"country":"AU","tier":"diaspora"},"sunriseLocal":"07:15","sunsetLocal":"17:29","solarNoonLocal":"12:22","dayLengthHours":10.238857906813612,"dayLengthDisplay":"10 Hours 14 Mins 20 Secs","nightLengthDisplay":"13 Hours 45 Mins 40 Secs","moonriseLocal":"01:36","moonsetLocal":"12:37","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"14:56","startHours":13.648884090124621,"endHours":14.928741328476322,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:15","end":"08:32","startHours":7.249597898366114,"endHours":8.529455136717814,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:49","end":"11:05","startHours":9.809312375069517,"endHours":11.089169613421218,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:59","startHours":9.63866474328929,"endHours":9.979960006849744,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:57","startHours":7.676216977816681,"endHours":7.949253188665044,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.027731588212465,"endHours":12.710322115333373,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.884416844124298,"endHours":6.567007371245206,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.396359739464979,"endHours":7.249597898366114,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:45","startHours":14.075503169575189,"endHours":14.758093696696097,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.288455805179726,"endHours":17.688455805179725,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:55","startHours":17.488455805179726,"endHours":17.915074884630293,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.238455805179726,"endHours":18.988455805179726,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.027731588212465,"endHours":24.710322115333373,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:15","end":"08:32","startHours":7.249597898366114,"endHours":8.529455136717814,"quality":"auspicious"},{"name":"Roga","start":"08:32","end":"09:49","startHours":8.529455136717814,"endHours":9.809312375069517,"quality":"inauspicious"},{"name":"Udveg","start":"09:49","end":"11:05","startHours":9.809312375069517,"endHours":11.089169613421218,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:22","startHours":11.089169613421218,"endHours":12.369026851772919,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:39","startHours":12.369026851772919,"endHours":13.648884090124621,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"14:56","startHours":13.648884090124621,"endHours":14.928741328476322,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:13","startHours":14.928741328476322,"endHours":16.208598566828023,"quality":"inauspicious"},{"name":"Śubha","start":"16:13","end":"17:29","startHours":16.208598566828023,"endHours":17.488455805179726,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:29","end":"19:13","startHours":17.488455805179726,"endHours":19.208598566828023,"quality":"auspicious"},{"name":"Kāla","start":"19:13","end":"20:56","startHours":19.208598566828023,"endHours":20.928741328476324,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:39","startHours":20.928741328476324,"endHours":22.64888409012462,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:22","startHours":22.64888409012462,"endHours":24.36902685177292,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:05","startHours":24.36902685177292,"endHours":26.08916961342122,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:49","startHours":26.08916961342122,"endHours":27.809312375069517,"quality":"neutral"},{"name":"Labha","start":"03:49","end":"05:32","startHours":27.809312375069517,"endHours":29.529455136717814,"quality":"auspicious"},{"name":"Amṛta","start":"05:32","end":"07:15","startHours":29.529455136717814,"endHours":31.249597898366112,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.249597898366114,"endHours":8.249597898366114,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.249597898366114,"endHours":9.249597898366114,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.249597898366114,"endHours":10.249597898366114,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.249597898366114,"endHours":11.249597898366114,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.249597898366114,"endHours":12.249597898366114,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.249597898366114,"endHours":13.249597898366114,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.249597898366114,"endHours":14.249597898366114,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.249597898366114,"endHours":15.249597898366114,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.249597898366114,"endHours":16.249597898366112,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.249597898366112,"endHours":17.249597898366112,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.249597898366112,"endHours":18.249597898366112,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.249597898366112,"endHours":19.249597898366112,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.249597898366112,"endHours":20.249597898366112,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.249597898366112,"endHours":21.249597898366112,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.249597898366112,"endHours":22.249597898366112,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.249597898366112,"endHours":23.249597898366112,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.249597898366112,"endHours":24.249597898366112,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.249597898366112,"endHours":25.249597898366112,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.249597898366112,"endHours":26.249597898366112,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.249597898366112,"endHours":27.249597898366112,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.249597898366112,"endHours":28.249597898366112,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.249597898366112,"endHours":29.249597898366112,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.249597898366112,"endHours":30.249597898366112,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.249597898366112,"endHours":31.249597898366112,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"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":21.599704198333942,"eotMinutes":-5.583611106375076,"ayanamsa":23.609}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Navamī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"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":"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":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"perth"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 15, 1982 CE · Perth, Australia · Vidhyamitra","description":"July 15, 1982 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 07:15, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1982-07-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1982-07-15","sa":"https://sa.vidhyamitra.com/city/perth/1982-07-15","hi":"https://hi.vidhyamitra.com/city/perth/1982-07-15","x-default":"https://vidhyamitra.com/city/perth/1982-07-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T03:19:52.180Z","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":"2026-05-18T03:19:52.180Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T03:19:52.180Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}