{"id":"vidhyamitra:city-day:perth:2011-10-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2011-10-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-10-08","date_display":"October 8, 2011 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":2011,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455842.770833,"kali_year":5113,"ahargana":1867377.2708,"sun":{"sidereal_longitude":169.6277,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":303.3687,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.741,"elapsed_within_tithi_degrees":1.741},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":303.3687,"elapsed_within_degrees":10.0354},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.9965},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2011,"month":10,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455842.770833,"ahargana":1867377.2708,"kali_year":5113,"ayanamsa_lahiri":24.0174,"grahas":{"sun":{"sidereal_longitude":170.40010400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":305.867304,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false,"latitude":4.1103},"mars":{"sidereal_longitude":107.12590399999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":176.93180400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":13.84700399999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":184.347304,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":175.18590399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":237.3657,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":57.3657,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"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":2011,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455842.770833,"kali_year":5113,"ahargana":1867377.2708,"sun":{"sidereal_longitude":169.6277,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":303.3687,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":133.741,"elapsed_within_tithi_degrees":1.741},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":303.3687,"elapsed_within_degrees":10.0354},"yoga":{"number":9,"name":"Śūla","sum_longitude":112.9965},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.11,"elongation":133.741},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.11,"opposition_distance":46.259}},"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":"05:45","sunsetLocal":"18:22","solarNoonLocal":"12:03","dayLengthHours":12.606330844055599,"dayLengthDisplay":"12 Hours 36 Mins 23 Secs","nightLengthDisplay":"11 Hours 23 Mins 37 Secs","moonriseLocal":"14:33","moonsetLocal":"03:37","rahuKala":{"name":"Rāhu Kāla","start":"08:54","end":"10:29","startHours":8.903895368526705,"endHours":10.479686724033655,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:12","startHours":13.631269435047555,"endHours":15.207060790554504,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:45","end":"07:20","startHours":5.752312657512806,"endHours":7.328104013019756,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:07","startHours":8.693789854459112,"endHours":9.114000882594299,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:17","end":"06:37","startHours":6.277576442681789,"endHours":6.613745265189938,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:29","startHours":11.63526705140542,"endHours":12.475689107675793,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:04","end":"04:55","startHours":4.07146854497206,"endHours":4.911890601242432,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:42","end":"05:45","startHours":4.701785087174839,"endHours":5.752312657512806,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.156533220216538,"endHours":14.996955276486911,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.158643501568406,"endHours":18.558643501568405,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:53","startHours":18.358643501568405,"endHours":18.88390728673739,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.108643501568405,"endHours":19.858643501568405,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:29","startHours":23.63526705140542,"endHours":24.47568910767579,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:45","end":"07:20","startHours":5.752312657512806,"endHours":7.328104013019756,"quality":"inauspicious"},{"name":"Śubha","start":"07:20","end":"08:54","startHours":7.328104013019756,"endHours":8.903895368526705,"quality":"auspicious"},{"name":"Roga","start":"08:54","end":"10:29","startHours":8.903895368526705,"endHours":10.479686724033655,"quality":"inauspicious"},{"name":"Udveg","start":"10:29","end":"12:03","startHours":10.479686724033655,"endHours":12.055478079540606,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:38","startHours":12.055478079540606,"endHours":13.631269435047555,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:12","startHours":13.631269435047555,"endHours":15.207060790554504,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:47","startHours":15.207060790554504,"endHours":16.782852146061455,"quality":"auspicious"},{"name":"Kāla","start":"16:47","end":"18:22","startHours":16.782852146061455,"endHours":18.358643501568405,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:22","end":"19:47","startHours":18.358643501568405,"endHours":19.782852146061455,"quality":"auspicious"},{"name":"Amṛta","start":"19:47","end":"21:12","startHours":19.782852146061455,"endHours":21.207060790554507,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:38","startHours":21.207060790554507,"endHours":22.631269435047557,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:03","startHours":22.631269435047557,"endHours":24.055478079540606,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:29","startHours":24.055478079540606,"endHours":25.479686724033655,"quality":"inauspicious"},{"name":"Udveg","start":"01:29","end":"02:54","startHours":25.479686724033655,"endHours":26.903895368526705,"quality":"inauspicious"},{"name":"Chala","start":"02:54","end":"04:20","startHours":26.903895368526705,"endHours":28.328104013019757,"quality":"neutral"},{"name":"Labha","start":"04:20","end":"05:45","startHours":28.328104013019757,"endHours":29.752312657512807,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:45","end":"06:45","startHours":5.752312657512806,"endHours":6.752312657512806,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:45","end":"07:45","startHours":6.752312657512806,"endHours":7.752312657512806,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:45","end":"08:45","startHours":7.752312657512806,"endHours":8.752312657512807,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:45","end":"09:45","startHours":8.752312657512807,"endHours":9.752312657512807,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:45","end":"10:45","startHours":9.752312657512807,"endHours":10.752312657512807,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:45","end":"11:45","startHours":10.752312657512807,"endHours":11.752312657512807,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:45","end":"12:45","startHours":11.752312657512807,"endHours":12.752312657512807,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:45","end":"13:45","startHours":12.752312657512807,"endHours":13.752312657512807,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:45","end":"14:45","startHours":13.752312657512807,"endHours":14.752312657512807,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:45","end":"15:45","startHours":14.752312657512807,"endHours":15.752312657512807,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:45","end":"16:45","startHours":15.752312657512807,"endHours":16.752312657512807,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:45","end":"17:45","startHours":16.752312657512807,"endHours":17.752312657512807,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:45","end":"18:45","startHours":17.752312657512807,"endHours":18.752312657512807,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:45","end":"19:45","startHours":18.752312657512807,"endHours":19.752312657512807,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:45","end":"20:45","startHours":19.752312657512807,"endHours":20.752312657512807,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:45","end":"21:45","startHours":20.752312657512807,"endHours":21.752312657512807,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:45","end":"22:45","startHours":21.752312657512807,"endHours":22.752312657512807,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:45","end":"23:45","startHours":22.752312657512807,"endHours":23.752312657512807,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:45","end":"00:45","startHours":23.752312657512807,"endHours":24.752312657512807,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:45","end":"01:45","startHours":24.752312657512807,"endHours":25.752312657512807,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:45","end":"02:45","startHours":25.752312657512807,"endHours":26.752312657512807,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:45","end":"03:45","startHours":26.752312657512807,"endHours":27.752312657512807,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:45","end":"04:45","startHours":27.752312657512807,"endHours":28.752312657512807,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:45","end":"05:45","startHours":28.752312657512807,"endHours":29.752312657512807,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.683300599082533,"eotMinutes":13.229315227563635,"ayanamsa":24.0174}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 October 8, 2011 CE · Perth, Australia · Vidhyamitra","description":"October 8, 2011 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 05:45, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2011-10-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2011-10-08","sa":"https://sa.vidhyamitra.com/city/perth/2011-10-08","hi":"https://hi.vidhyamitra.com/city/perth/2011-10-08","x-default":"https://vidhyamitra.com/city/perth/2011-10-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T05:41:04.734Z","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":"2026-05-16T05:41:04.734Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T05:41:04.734Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}