{"id":"vidhyamitra:city-day:perth:2002-09-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2002-09-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-09-11","date_display":"September 11, 2002 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":2002,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452528.770833,"kali_year":5104,"ahargana":1864063.2708,"sun":{"sidereal_longitude":143.5341,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":195.2137,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.6796,"elapsed_within_tithi_degrees":3.6796},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.2137,"elapsed_within_degrees":8.547},"yoga":{"number":26,"name":"Indra","sum_longitude":338.7477},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2002,"month":9,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452528.770833,"ahargana":1864063.2708,"kali_year":5104,"ayanamsa_lahiri":23.8906,"grahas":{"sun":{"sidereal_longitude":144.25782300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":199.05632300000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":2.7528},"mars":{"sidereal_longitude":134.01302299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":168.81012299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":104.516523,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":188.437323,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":64.284423,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":52.9574,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":232.9574,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":2002,"month":9,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452528.770833,"kali_year":5104,"ahargana":1864063.2708,"sun":{"sidereal_longitude":143.5341,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":195.2137,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.6796,"elapsed_within_tithi_degrees":3.6796},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":195.2137,"elapsed_within_degrees":8.547},"yoga":{"number":26,"name":"Indra","sum_longitude":338.7477},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.753,"elongation":51.68},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.753,"opposition_distance":128.32}},"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":"06:20","sunsetLocal":"18:05","solarNoonLocal":"12:13","dayLengthHours":11.740789260903206,"dayLengthDisplay":"11 Hours 44 Mins 27 Secs","nightLengthDisplay":"12 Hours 15 Mins 33 Secs","moonriseLocal":"09:08","moonsetLocal":"22:35","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:41","startHours":12.20906013076062,"endHours":13.676658788373521,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:48","end":"09:16","startHours":7.806264157921918,"endHours":9.27386281553482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:13","startHours":10.74146147314772,"endHours":12.20906013076062,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:05","end":"09:28","startHours":9.078182994519764,"endHours":9.469542636549871,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:50","end":"07:08","startHours":6.827865052846651,"endHours":7.140952766470736,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:36","startHours":11.817700488730512,"endHours":12.600419772790726,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:33","startHours":4.77322693218859,"endHours":5.555946216248803,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:20","startHours":5.36026639523375,"endHours":6.338665500309017,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.165858340911154,"endHours":14.948577624971367,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.879454761212223,"endHours":18.27945476121222,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.079454761212222,"endHours":18.568654313749857,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.829454761212222,"endHours":19.579454761212222,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:36","startHours":23.817700488730512,"endHours":24.600419772790726,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:20","end":"07:48","startHours":6.338665500309017,"endHours":7.806264157921918,"quality":"auspicious"},{"name":"Amṛta","start":"07:48","end":"09:16","startHours":7.806264157921918,"endHours":9.27386281553482,"quality":"auspicious"},{"name":"Kāla","start":"09:16","end":"10:44","startHours":9.27386281553482,"endHours":10.74146147314772,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:13","startHours":10.74146147314772,"endHours":12.20906013076062,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:41","startHours":12.20906013076062,"endHours":13.676658788373521,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:09","startHours":13.676658788373521,"endHours":15.144257445986423,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:37","startHours":15.144257445986423,"endHours":16.611856103599322,"quality":"neutral"},{"name":"Labha","start":"16:37","end":"18:05","startHours":16.611856103599322,"endHours":18.079454761212222,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:05","end":"19:37","startHours":18.079454761212222,"endHours":19.611856103599322,"quality":"inauspicious"},{"name":"Chala","start":"19:37","end":"21:09","startHours":19.611856103599322,"endHours":21.14425744598642,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:41","startHours":21.14425744598642,"endHours":22.67665878837352,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:13","startHours":22.67665878837352,"endHours":24.20906013076062,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:44","startHours":24.20906013076062,"endHours":25.74146147314772,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:16","startHours":25.74146147314772,"endHours":27.27386281553482,"quality":"auspicious"},{"name":"Roga","start":"03:16","end":"04:48","startHours":27.27386281553482,"endHours":28.806264157921916,"quality":"inauspicious"},{"name":"Udveg","start":"04:48","end":"06:20","startHours":28.806264157921916,"endHours":30.338665500309016,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.338665500309017,"endHours":7.338665500309017,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.338665500309017,"endHours":8.338665500309016,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.338665500309016,"endHours":9.338665500309016,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.338665500309016,"endHours":10.338665500309016,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.338665500309016,"endHours":11.338665500309016,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.338665500309016,"endHours":12.338665500309016,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.338665500309016,"endHours":13.338665500309016,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.338665500309016,"endHours":14.338665500309016,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.338665500309016,"endHours":15.338665500309016,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.338665500309016,"endHours":16.338665500309016,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.338665500309016,"endHours":17.338665500309016,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.338665500309016,"endHours":18.338665500309016,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.338665500309016,"endHours":19.338665500309016,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.338665500309016,"endHours":20.338665500309016,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.338665500309016,"endHours":21.338665500309016,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.338665500309016,"endHours":22.338665500309016,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.338665500309016,"endHours":23.338665500309016,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.338665500309016,"endHours":24.338665500309016,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.338665500309016,"endHours":25.338665500309016,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.338665500309016,"endHours":26.338665500309016,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.338665500309016,"endHours":27.338665500309016,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.338665500309016,"endHours":28.338665500309016,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.338665500309016,"endHours":29.338665500309016,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.338665500309016,"endHours":30.338665500309016,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.685434965159385,"eotMinutes":4.014392154362758,"ayanamsa":23.8906}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pañcamī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 September 11, 2002 CE · Perth, Australia · Vidhyamitra","description":"September 11, 2002 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:20, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2002-09-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2002-09-11","sa":"https://sa.vidhyamitra.com/city/perth/2002-09-11","hi":"https://hi.vidhyamitra.com/city/perth/2002-09-11","x-default":"https://vidhyamitra.com/city/perth/2002-09-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T09:13:03.380Z","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":"2026-05-17T09:13:03.380Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T09:13:03.380Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}