{"id":"vidhyamitra:city-day:perth:1985-10-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1985-10-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-10-11","date_display":"October 11, 1985 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":1985,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446349.770833,"kali_year":5087,"ahargana":1857884.2708,"sun":{"sidereal_longitude":173.3136,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":131.688,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.3744,"elapsed_within_tithi_degrees":6.3744},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.688,"elapsed_within_degrees":11.688},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.0016},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1985,"month":10,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446349.770833,"ahargana":1857884.2708,"kali_year":5087,"ayanamsa_lahiri":23.6543,"grahas":{"sun":{"sidereal_longitude":174.01930600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":130.902606,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":4.191},"mars":{"sidereal_longitude":146.10260599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":186.84810599999992,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":284.411706,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":149.79080599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":211.814206,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":20.3506,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":200.3506,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":10,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446349.770833,"kali_year":5087,"ahargana":1857884.2708,"sun":{"sidereal_longitude":173.3136,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":131.688,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":318.3744,"elapsed_within_tithi_degrees":6.3744},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.688,"elapsed_within_degrees":11.688},"yoga":{"number":23,"name":"Śubha","sum_longitude":305.0016},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.191,"elongation":41.626},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.191,"opposition_distance":138.374}},"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":"05:41","sunsetLocal":"18:24","solarNoonLocal":"12:03","dayLengthHours":12.712436934554738,"dayLengthDisplay":"12 Hours 42 Mins 45 Secs","nightLengthDisplay":"11 Hours 17 Mins 15 Secs","moonriseLocal":"03:32","moonsetLocal":"14:48","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"12:03","startHours":10.453805816576823,"endHours":12.042860433396164,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:13","end":"16:49","startHours":15.22096966703485,"endHours":16.81002428385419,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:17","end":"08:52","startHours":7.275696582938139,"endHours":8.864751199757482,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:05","startHours":8.652877250848235,"endHours":9.076625148666727,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:33","startHours":6.21632683839191,"endHours":6.5553251566467035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.619112535577672,"endHours":12.466608331214657,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:59","end":"04:50","startHours":3.9916503748448315,"endHours":4.839146170481814,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:38","end":"05:41","startHours":4.627272221572568,"endHours":5.686641966118796,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:01","startHours":14.161599922488623,"endHours":15.009095718125606,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.199078900673534,"endHours":18.599078900673533,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:56","startHours":18.399078900673533,"endHours":18.92876377294665,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.149078900673533,"endHours":19.899078900673533,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.619112535577674,"endHours":24.466608331214655,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:41","end":"07:17","startHours":5.686641966118796,"endHours":7.275696582938139,"quality":"neutral"},{"name":"Labha","start":"07:17","end":"08:52","startHours":7.275696582938139,"endHours":8.864751199757482,"quality":"auspicious"},{"name":"Amṛta","start":"08:52","end":"10:27","startHours":8.864751199757482,"endHours":10.453805816576823,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"12:03","startHours":10.453805816576823,"endHours":12.042860433396164,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:38","startHours":12.042860433396164,"endHours":13.631915050215508,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:13","startHours":13.631915050215508,"endHours":15.22096966703485,"quality":"inauspicious"},{"name":"Udveg","start":"15:13","end":"16:49","startHours":15.22096966703485,"endHours":16.81002428385419,"quality":"inauspicious"},{"name":"Chala","start":"16:49","end":"18:24","startHours":16.81002428385419,"endHours":18.399078900673533,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:24","end":"19:49","startHours":18.399078900673533,"endHours":19.81002428385419,"quality":"inauspicious"},{"name":"Udveg","start":"19:49","end":"21:13","startHours":19.81002428385419,"endHours":21.22096966703485,"quality":"inauspicious"},{"name":"Chala","start":"21:13","end":"22:38","startHours":21.22096966703485,"endHours":22.631915050215508,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:03","startHours":22.631915050215508,"endHours":24.042860433396164,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:27","startHours":24.042860433396164,"endHours":25.45380581657682,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"02:52","startHours":25.45380581657682,"endHours":26.864751199757478,"quality":"inauspicious"},{"name":"Śubha","start":"02:52","end":"04:17","startHours":26.864751199757478,"endHours":28.27569658293814,"quality":"auspicious"},{"name":"Roga","start":"04:17","end":"05:41","startHours":28.27569658293814,"endHours":29.686641966118795,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.686641966118796,"endHours":6.686641966118796,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.686641966118796,"endHours":7.686641966118796,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.686641966118796,"endHours":8.686641966118795,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.686641966118795,"endHours":9.686641966118795,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.686641966118795,"endHours":10.686641966118795,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.686641966118795,"endHours":11.686641966118795,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.686641966118795,"endHours":12.686641966118795,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.686641966118795,"endHours":13.686641966118795,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.686641966118795,"endHours":14.686641966118795,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.686641966118795,"endHours":15.686641966118795,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.686641966118795,"endHours":16.686641966118795,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.686641966118795,"endHours":17.686641966118795,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.686641966118795,"endHours":18.686641966118795,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.686641966118795,"endHours":19.686641966118795,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.686641966118795,"endHours":20.686641966118795,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.686641966118795,"endHours":21.686641966118795,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.686641966118795,"endHours":22.686641966118795,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.686641966118795,"endHours":23.686641966118795,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.686641966118795,"endHours":24.686641966118795,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.686641966118795,"endHours":25.686641966118795,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.686641966118795,"endHours":26.686641966118795,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.686641966118795,"endHours":27.686641966118795,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.686641966118795,"endHours":28.686641966118795,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.686641966118795,"endHours":29.686641966118795,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.9353463377851705,"eotMinutes":13.986373996230075,"ayanamsa":23.6543}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Dvādaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 11, 1985 CE · Perth, Australia · Vidhyamitra","description":"October 11, 1985 CE for Perth, Australia: Kṛṣṇa Dvādaśī, sūryodaya 05:41, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1985-10-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1985-10-11","sa":"https://sa.vidhyamitra.com/city/perth/1985-10-11","hi":"https://hi.vidhyamitra.com/city/perth/1985-10-11","x-default":"https://vidhyamitra.com/city/perth/1985-10-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:19:50.300Z","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":"2026-05-31T11:19:50.300Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:19:50.300Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}