{"id":"vidhyamitra:city-day:perth:2003-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2003-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2003-10-23","date_display":"October 23, 2003 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":2003,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452935.770833,"kali_year":5105,"ahargana":1864470.2708,"sun":{"sidereal_longitude":184.5891,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":151.1649,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.5758,"elapsed_within_tithi_degrees":2.5758},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.1649,"elapsed_within_degrees":4.4983},"yoga":{"number":26,"name":"Indra","sum_longitude":335.7541},"karana":{"half_tithi_index":54,"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":2003,"month":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452935.770833,"ahargana":1864470.2708,"kali_year":5105,"ayanamsa_lahiri":23.9062,"grahas":{"sun":{"sidereal_longitude":185.31487300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":151.01537299999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":3.905},"mars":{"sidereal_longitude":310.2385730000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":183.57217300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":137.66567299999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":202.54857300000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":79.232573,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":31.3926,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.3926,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":2003,"month":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452935.770833,"kali_year":5105,"ahargana":1864470.2708,"sun":{"sidereal_longitude":184.5891,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":151.1649,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":326.5758,"elapsed_within_tithi_degrees":2.5758},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.1649,"elapsed_within_degrees":4.4983},"yoga":{"number":26,"name":"Indra","sum_longitude":335.7541},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.905,"elongation":33.424},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.905,"opposition_distance":146.576}},"eclipse_window_40days":[{"offset_days":17,"type":"lunar","occurs":true,"moon_latitude":-0.607,"opposition_distance":1.076}]},"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":"05:28","sunsetLocal":"18:33","solarNoonLocal":"12:01","dayLengthHours":13.080069688148509,"dayLengthDisplay":"13 Hours 04 Mins 48 Secs","nightLengthDisplay":"10 Hours 55 Mins 12 Secs","moonriseLocal":"03:46","moonsetLocal":"15:41","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"15:17","startHours":13.64335146260034,"endHours":15.2783601736189,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:28","end":"07:06","startHours":5.46830790750752,"endHours":7.103316618526083,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:44","end":"10:22","startHours":8.738325329544647,"endHours":10.373334040563211,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:57","startHours":8.520324168075506,"endHours":8.956326491013789,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:22","startHours":6.013310811180375,"endHours":6.362112669531002,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.57234042864349,"endHours":12.444345074520058,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:36","startHours":3.7242986157543854,"endHours":4.596303261630953,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:28","startHours":4.378302100161811,"endHours":5.46830790750752,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:04","startHours":14.188354366273192,"endHours":15.060359012149759,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.34837759565603,"endHours":18.748377595656027,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:06","startHours":18.548377595656028,"endHours":19.093380499328884,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.298377595656028,"endHours":20.048377595656028,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.57234042864349,"endHours":24.444345074520054,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:28","end":"07:06","startHours":5.46830790750752,"endHours":7.103316618526083,"quality":"auspicious"},{"name":"Roga","start":"07:06","end":"08:44","startHours":7.103316618526083,"endHours":8.738325329544647,"quality":"inauspicious"},{"name":"Udveg","start":"08:44","end":"10:22","startHours":8.738325329544647,"endHours":10.373334040563211,"quality":"inauspicious"},{"name":"Chala","start":"10:22","end":"12:01","startHours":10.373334040563211,"endHours":12.008342751581775,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:39","startHours":12.008342751581775,"endHours":13.64335146260034,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"15:17","startHours":13.64335146260034,"endHours":15.2783601736189,"quality":"auspicious"},{"name":"Kāla","start":"15:17","end":"16:55","startHours":15.2783601736189,"endHours":16.913368884637464,"quality":"inauspicious"},{"name":"Śubha","start":"16:55","end":"18:33","startHours":16.913368884637464,"endHours":18.548377595656028,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:33","end":"19:55","startHours":18.548377595656028,"endHours":19.913368884637464,"quality":"auspicious"},{"name":"Kāla","start":"19:55","end":"21:17","startHours":19.913368884637464,"endHours":21.2783601736189,"quality":"inauspicious"},{"name":"Śubha","start":"21:17","end":"22:39","startHours":21.2783601736189,"endHours":22.643351462600336,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:01","startHours":22.643351462600336,"endHours":24.008342751581772,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:22","startHours":24.008342751581772,"endHours":25.373334040563208,"quality":"inauspicious"},{"name":"Chala","start":"01:22","end":"02:44","startHours":25.373334040563208,"endHours":26.738325329544647,"quality":"neutral"},{"name":"Labha","start":"02:44","end":"04:06","startHours":26.738325329544647,"endHours":28.103316618526083,"quality":"auspicious"},{"name":"Amṛta","start":"04:06","end":"05:28","startHours":28.103316618526083,"endHours":29.46830790750752,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.46830790750752,"endHours":6.46830790750752,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.46830790750752,"endHours":7.46830790750752,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.46830790750752,"endHours":8.46830790750752,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.46830790750752,"endHours":9.46830790750752,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.46830790750752,"endHours":10.46830790750752,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.46830790750752,"endHours":11.46830790750752,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.46830790750752,"endHours":12.46830790750752,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.46830790750752,"endHours":13.46830790750752,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.46830790750752,"endHours":14.46830790750752,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.46830790750752,"endHours":15.46830790750752,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.46830790750752,"endHours":16.46830790750752,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.46830790750752,"endHours":17.46830790750752,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.46830790750752,"endHours":18.46830790750752,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.46830790750752,"endHours":19.46830790750752,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.46830790750752,"endHours":20.46830790750752,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.46830790750752,"endHours":21.46830790750752,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.46830790750752,"endHours":22.46830790750752,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.46830790750752,"endHours":23.46830790750752,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.46830790750752,"endHours":24.46830790750752,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.46830790750752,"endHours":25.46830790750752,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.46830790750752,"endHours":26.46830790750752,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.46830790750752,"endHours":27.46830790750752,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.46830790750752,"endHours":28.46830790750752,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.46830790750752,"endHours":29.46830790750752,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-11.195967092002666,"eotMinutes":16.057434905093558,"ayanamsa":23.9062}},"calendars":{"vikram_samvat":2060,"vikram_samvatsara":"Durmukhi","saka_samvat":1925,"saka_samvatsara":"Subhānu","bengali_samvat":1410,"malayalam_era":1179,"nanakshahi_year":534,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Trayodaśī · Vikram 2060 Durmukhi · Śaka 1925 Subhānu"},"festivals":[{"id":"dhanteras","name":"Dhanteras (Dhanvantari Jayantī)","name_sanskrit":"धनतेरस / धन्वन्तरि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dhanvantari (Āyurveda-deva, avatāra of Viṣṇu)","significance":"Birth of Dhanvantari from samudra-mathana with amṛta-kalaśa. Day 1 of Diwali.","vrata":true,"detection":{"tithi_number":28,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 8.8.32-34"]},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 23, 2003 CE · Perth, Australia · Vidhyamitra","description":"October 23, 2003 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 05:28, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2003-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2003-10-23","sa":"https://sa.vidhyamitra.com/city/perth/2003-10-23","hi":"https://hi.vidhyamitra.com/city/perth/2003-10-23","x-default":"https://vidhyamitra.com/city/perth/2003-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T20:50:08.370Z","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":"2026-05-16T20:50:08.370Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T20:50:08.370Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}