{"id":"vidhyamitra:city-day:perth:1982-12-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1982-12-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-12-07","date_display":"December 7, 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":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445310.770833,"kali_year":5084,"ahargana":1856845.2708,"sun":{"sidereal_longitude":230.5733,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":129.6045,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.0312,"elapsed_within_tithi_degrees":7.0312},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.6045,"elapsed_within_degrees":9.6045},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.1779},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":12,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445310.770833,"ahargana":1856845.2708,"kali_year":5084,"ayanamsa_lahiri":23.6146,"grahas":{"sun":{"sidereal_longitude":230.98600399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":133.114104,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":3.6486},"mars":{"sidereal_longitude":274.14960399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":240.768104,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":213.13350400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":239.356404,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":186.82540399999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":75.4018,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.4018,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1982,"month":12,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445310.770833,"kali_year":5084,"ahargana":1856845.2708,"sun":{"sidereal_longitude":230.5733,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":129.6045,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":259.0312,"elapsed_within_tithi_degrees":7.0312},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":129.6045,"elapsed_within_degrees":9.6045},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.1779},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.649,"elongation":100.969},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.649,"opposition_distance":79.031}},"eclipse_window_40days":[{"offset_days":8,"type":"solar","occurs":true,"moon_latitude":1.462,"elongation":2.771}]},"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":"05:04","sunsetLocal":"19:13","solarNoonLocal":"12:09","dayLengthHours":14.14808444573038,"dayLengthDisplay":"14 Hours 08 Mins 53 Secs","nightLengthDisplay":"9 Hours 51 Mins 07 Secs","moonriseLocal":"23:57","moonsetLocal":"11:17","rahuKala":{"name":"Rāhu Kāla","start":"15:41","end":"17:27","startHours":15.684259502710308,"endHours":17.452770058426605,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:37","end":"10:23","startHours":8.610217279845116,"endHours":10.378727835561413,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:09","end":"13:55","startHours":12.14723839127771,"endHours":13.915748946994007,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:51","startHours":8.374415872416277,"endHours":8.846018687273956,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:40","end":"06:02","startHours":5.66269968698462,"endHours":6.039981938870763,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:37","startHours":11.675635576420033,"endHours":12.618841206135391,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:11","end":"04:08","startHours":3.1867849089818043,"endHours":4.129990538697163,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:54","end":"05:04","startHours":3.8941891312683232,"endHours":5.0731961684125215,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:27","startHours":14.505252465566109,"endHours":15.448458095281467,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:01","end":"19:25","startHours":19.021280614142903,"endHours":19.4212806141429,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:13","end":"19:49","startHours":19.221280614142902,"endHours":19.810784132715,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:58","end":"20:43","startHours":18.971280614142902,"endHours":20.721280614142902,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:37","startHours":23.67563557642003,"endHours":24.61884120613539,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:04","end":"06:51","startHours":5.0731961684125215,"endHours":6.841706724128819,"quality":"inauspicious"},{"name":"Udveg","start":"06:51","end":"08:37","startHours":6.841706724128819,"endHours":8.610217279845116,"quality":"inauspicious"},{"name":"Chala","start":"08:37","end":"10:23","startHours":8.610217279845116,"endHours":10.378727835561413,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"12:09","startHours":10.378727835561413,"endHours":12.14723839127771,"quality":"auspicious"},{"name":"Amṛta","start":"12:09","end":"13:55","startHours":12.14723839127771,"endHours":13.915748946994007,"quality":"auspicious"},{"name":"Kāla","start":"13:55","end":"15:41","startHours":13.915748946994007,"endHours":15.684259502710308,"quality":"inauspicious"},{"name":"Śubha","start":"15:41","end":"17:27","startHours":15.684259502710308,"endHours":17.452770058426605,"quality":"auspicious"},{"name":"Roga","start":"17:27","end":"19:13","startHours":17.452770058426605,"endHours":19.221280614142902,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:13","end":"20:27","startHours":19.221280614142902,"endHours":20.452770058426605,"quality":"inauspicious"},{"name":"Śubha","start":"20:27","end":"21:41","startHours":20.452770058426605,"endHours":21.684259502710308,"quality":"auspicious"},{"name":"Roga","start":"21:41","end":"22:55","startHours":21.684259502710308,"endHours":22.91574894699401,"quality":"inauspicious"},{"name":"Udveg","start":"22:55","end":"00:09","startHours":22.91574894699401,"endHours":24.14723839127771,"quality":"inauspicious"},{"name":"Chala","start":"00:09","end":"01:23","startHours":24.14723839127771,"endHours":25.378727835561413,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:37","startHours":25.378727835561413,"endHours":26.610217279845116,"quality":"auspicious"},{"name":"Amṛta","start":"02:37","end":"03:51","startHours":26.610217279845116,"endHours":27.84170672412882,"quality":"auspicious"},{"name":"Kāla","start":"03:51","end":"05:04","startHours":27.84170672412882,"endHours":29.073196168412522,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:04","end":"06:04","startHours":5.0731961684125215,"endHours":6.0731961684125215,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:04","end":"07:04","startHours":6.0731961684125215,"endHours":7.0731961684125215,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:04","end":"08:04","startHours":7.0731961684125215,"endHours":8.073196168412522,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:04","end":"09:04","startHours":8.073196168412522,"endHours":9.073196168412522,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:04","end":"10:04","startHours":9.073196168412522,"endHours":10.073196168412522,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:04","end":"11:04","startHours":10.073196168412522,"endHours":11.073196168412522,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:04","end":"12:04","startHours":11.073196168412522,"endHours":12.073196168412522,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:04","end":"13:04","startHours":12.073196168412522,"endHours":13.073196168412522,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:04","end":"14:04","startHours":13.073196168412522,"endHours":14.073196168412522,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:04","end":"15:04","startHours":14.073196168412522,"endHours":15.073196168412522,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:04","end":"16:04","startHours":15.073196168412522,"endHours":16.073196168412522,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:04","end":"17:04","startHours":16.073196168412522,"endHours":17.073196168412522,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:04","end":"18:04","startHours":17.073196168412522,"endHours":18.073196168412522,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:04","end":"19:04","startHours":18.073196168412522,"endHours":19.073196168412522,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:04","end":"20:04","startHours":19.073196168412522,"endHours":20.073196168412522,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:04","end":"21:04","startHours":20.073196168412522,"endHours":21.073196168412522,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:04","end":"22:04","startHours":21.073196168412522,"endHours":22.073196168412522,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:04","end":"23:04","startHours":22.073196168412522,"endHours":23.073196168412522,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:04","end":"00:04","startHours":23.073196168412522,"endHours":24.073196168412522,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:04","end":"01:04","startHours":24.073196168412522,"endHours":25.073196168412522,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:04","end":"02:04","startHours":25.073196168412522,"endHours":26.073196168412522,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:04","end":"03:04","startHours":26.073196168412522,"endHours":27.073196168412522,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:04","end":"04:04","startHours":27.073196168412522,"endHours":28.073196168412522,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:04","end":"05:04","startHours":28.073196168412522,"endHours":29.073196168412522,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.547743525000115,"eotMinutes":7.723696523337262,"ayanamsa":23.6146}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Saptamī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 December 7, 1982 CE · Perth, Australia · Vidhyamitra","description":"December 7, 1982 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 05:04, sūryāsta 19:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1982-12-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1982-12-07","sa":"https://sa.vidhyamitra.com/city/perth/1982-12-07","hi":"https://hi.vidhyamitra.com/city/perth/1982-12-07","x-default":"https://vidhyamitra.com/city/perth/1982-12-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T15:00:43.492Z","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":"2026-05-18T15:00:43.492Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T15:00:43.492Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}