{"id":"vidhyamitra:city-day:perth:2001-08-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2001-08-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-08-12","date_display":"August 12, 2001 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":2001,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452133.770833,"kali_year":5103,"ahargana":1863668.2708,"sun":{"sidereal_longitude":114.9379,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":25.4128,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.4749,"elapsed_within_tithi_degrees":6.4749},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.4128,"elapsed_within_degrees":12.0795},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.3507},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2001,"month":8,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452133.770833,"ahargana":1863668.2708,"kali_year":5103,"ayanamsa_lahiri":23.8755,"grahas":{"sun":{"sidereal_longitude":115.53921500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":22.168515000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false,"latitude":-3.3674},"mars":{"sidereal_longitude":234.732215,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":121.94491499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":72.37241499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":78.284515,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":49.205015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":73.8864,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":253.8864,"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":2001,"month":8,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452133.770833,"kali_year":5103,"ahargana":1863668.2708,"sun":{"sidereal_longitude":114.9379,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":25.4128,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":270.4749,"elapsed_within_tithi_degrees":6.4749},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.4128,"elapsed_within_degrees":12.0795},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.3507},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.367,"elongation":89.525},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.367,"opposition_distance":90.475}},"eclipse_window_40days":[]},"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":"06:56","sunsetLocal":"17:47","solarNoonLocal":"12:21","dayLengthHours":10.85491697327004,"dayLengthDisplay":"10 Hours 51 Mins 18 Secs","nightLengthDisplay":"13 Hours 08 Mins 42 Secs","moonriseLocal":"00:48","moonsetLocal":"11:28","rahuKala":{"name":"Rāhu Kāla","start":"16:26","end":"17:47","startHours":16.425547212240318,"endHours":17.782411833899072,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:21","end":"13:43","startHours":12.35495334726405,"endHours":13.711817968922805,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:04","end":"16:26","startHours":15.068682590581563,"endHours":16.425547212240318,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:49","startHours":9.460308821058707,"endHours":9.822139386834376,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:23","end":"07:40","startHours":7.379783067848616,"endHours":7.669247520469151,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":11.993122781488385,"endHours":12.71678391303972,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:12","startHours":5.4801725975263595,"endHours":6.2038337290776955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:56","startHours":6.022918446189862,"endHours":6.927494860629031,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.164106176142392,"endHours":14.887767307693728,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:35","end":"17:59","startHours":17.582411833899073,"endHours":17.98241183389907,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:47","end":"18:14","startHours":17.782411833899072,"endHours":18.234700041118657,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:32","end":"19:17","startHours":17.532411833899072,"endHours":19.282411833899072,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":23.99312278148838,"endHours":24.71678391303972,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:56","end":"08:17","startHours":6.927494860629031,"endHours":8.284359482287787,"quality":"inauspicious"},{"name":"Chala","start":"08:17","end":"09:38","startHours":8.284359482287787,"endHours":9.641224103946541,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"11:00","startHours":9.641224103946541,"endHours":10.998088725605296,"quality":"auspicious"},{"name":"Amṛta","start":"11:00","end":"12:21","startHours":10.998088725605296,"endHours":12.35495334726405,"quality":"auspicious"},{"name":"Kāla","start":"12:21","end":"13:43","startHours":12.35495334726405,"endHours":13.711817968922805,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:04","startHours":13.711817968922805,"endHours":15.068682590581563,"quality":"auspicious"},{"name":"Roga","start":"15:04","end":"16:26","startHours":15.068682590581563,"endHours":16.425547212240318,"quality":"inauspicious"},{"name":"Udveg","start":"16:26","end":"17:47","startHours":16.425547212240318,"endHours":17.782411833899072,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:47","end":"19:26","startHours":17.782411833899072,"endHours":19.425547212240318,"quality":"auspicious"},{"name":"Roga","start":"19:26","end":"21:04","startHours":19.425547212240318,"endHours":21.068682590581563,"quality":"inauspicious"},{"name":"Udveg","start":"21:04","end":"22:43","startHours":21.068682590581563,"endHours":22.71181796892281,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:21","startHours":22.71181796892281,"endHours":24.35495334726405,"quality":"neutral"},{"name":"Labha","start":"00:21","end":"02:00","startHours":24.35495334726405,"endHours":25.9980887256053,"quality":"auspicious"},{"name":"Amṛta","start":"02:00","end":"03:38","startHours":25.9980887256053,"endHours":27.64122410394654,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:17","startHours":27.64122410394654,"endHours":29.284359482287787,"quality":"inauspicious"},{"name":"Śubha","start":"05:17","end":"06:56","startHours":29.284359482287787,"endHours":30.927494860629032,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:56","end":"07:56","startHours":6.927494860629031,"endHours":7.927494860629031,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:56","end":"08:56","startHours":7.927494860629031,"endHours":8.927494860629032,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:56","end":"09:56","startHours":8.927494860629032,"endHours":9.927494860629032,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:56","end":"10:56","startHours":9.927494860629032,"endHours":10.927494860629032,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:56","end":"11:56","startHours":10.927494860629032,"endHours":11.927494860629032,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:56","end":"12:56","startHours":11.927494860629032,"endHours":12.927494860629032,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:56","end":"13:56","startHours":12.927494860629032,"endHours":13.927494860629032,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:56","end":"14:56","startHours":13.927494860629032,"endHours":14.927494860629032,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:56","end":"15:56","startHours":14.927494860629032,"endHours":15.927494860629032,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:56","end":"16:56","startHours":15.927494860629032,"endHours":16.927494860629032,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:56","end":"17:56","startHours":16.927494860629032,"endHours":17.927494860629032,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:56","end":"18:56","startHours":17.927494860629032,"endHours":18.927494860629032,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:56","end":"19:56","startHours":18.927494860629032,"endHours":19.927494860629032,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:56","end":"20:56","startHours":19.927494860629032,"endHours":20.927494860629032,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:56","end":"21:56","startHours":20.927494860629032,"endHours":21.927494860629032,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:56","end":"22:56","startHours":21.927494860629032,"endHours":22.927494860629032,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:56","end":"23:56","startHours":22.927494860629032,"endHours":23.927494860629032,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:56","end":"00:56","startHours":23.927494860629032,"endHours":24.927494860629032,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:56","end":"01:56","startHours":24.927494860629032,"endHours":25.927494860629032,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:56","end":"02:56","startHours":25.927494860629032,"endHours":26.927494860629032,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:56","end":"03:56","startHours":26.927494860629032,"endHours":27.927494860629032,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:56","end":"04:56","startHours":27.927494860629032,"endHours":28.927494860629032,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:56","end":"05:56","startHours":28.927494860629032,"endHours":29.927494860629032,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:56","end":"06:56","startHours":29.927494860629032,"endHours":30.927494860629032,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":14.99628795500726,"eotMinutes":-4.739200835843176,"ayanamsa":23.8755}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Aṣṭamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 August 12, 2001 CE · Perth, Australia · Vidhyamitra","description":"August 12, 2001 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:56, sūryāsta 17:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2001-08-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2001-08-12","sa":"https://sa.vidhyamitra.com/city/perth/2001-08-12","hi":"https://hi.vidhyamitra.com/city/perth/2001-08-12","x-default":"https://vidhyamitra.com/city/perth/2001-08-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T22:12:42.890Z","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":"2026-05-16T22:12:42.890Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T22:12:42.890Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}