{"id":"vidhyamitra:city-day:perth:2002-10-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2002-10-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-10-23","date_display":"October 23, 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":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452570.770833,"kali_year":5104,"ahargana":1864105.2708,"sun":{"sidereal_longitude":184.8474,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":25.7431,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.8957,"elapsed_within_tithi_degrees":8.8957},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.7431,"elapsed_within_degrees":12.4098},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.5905},"karana":{"half_tithi_index":33,"name":"Gara"},"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":10,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452570.770833,"ahargana":1864105.2708,"kali_year":5104,"ayanamsa_lahiri":23.8922,"grahas":{"sun":{"sidereal_longitude":185.57021799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":24.501717999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":-1.8994},"mars":{"sidereal_longitude":160.76591800000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":171.30081799999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":111.35071800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":198.82611799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":64.98661800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":50.732,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":230.732,"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":10,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452570.770833,"kali_year":5104,"ahargana":1864105.2708,"sun":{"sidereal_longitude":184.8474,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":25.7431,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.8957,"elapsed_within_tithi_degrees":8.8957},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.7431,"elapsed_within_degrees":12.4098},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.5905},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.899,"elongation":159.104},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.899,"opposition_distance":20.896}},"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":"05:28","sunsetLocal":"18:33","solarNoonLocal":"12:01","dayLengthHours":13.087558731709198,"dayLengthDisplay":"13 Hours 05 Mins 15 Secs","nightLengthDisplay":"10 Hours 54 Mins 45 Secs","moonriseLocal":"19:58","moonsetLocal":"06:34","rahuKala":{"name":"Rāhu Kāla","start":"12:01","end":"13:39","startHours":12.008342751581775,"endHours":13.644287593045423,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:06","end":"08:44","startHours":7.100508227190826,"endHours":8.736453068654475,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:22","end":"12:01","startHours":10.372397910118124,"endHours":12.008342751581775,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"08:57","startHours":8.518327089792656,"endHours":8.954579047516296,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:01","end":"06:22","startHours":6.009878332881725,"endHours":6.358879899060637,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.572090793858134,"endHours":12.444594709305413,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:43","end":"04:36","startHours":3.719555554832616,"endHours":4.592059470279896,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:28","startHours":4.373933491418075,"endHours":5.464563385727176,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:04","startHours":14.189602540199974,"endHours":15.062106455647255,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.352122117436373,"endHours":18.75212211743637,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:06","startHours":18.552122117436372,"endHours":19.097437064590924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.302122117436372,"endHours":20.052122117436372,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.57209079385813,"endHours":24.444594709305413,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:28","end":"07:06","startHours":5.464563385727176,"endHours":7.100508227190826,"quality":"auspicious"},{"name":"Amṛta","start":"07:06","end":"08:44","startHours":7.100508227190826,"endHours":8.736453068654475,"quality":"auspicious"},{"name":"Kāla","start":"08:44","end":"10:22","startHours":8.736453068654475,"endHours":10.372397910118124,"quality":"inauspicious"},{"name":"Śubha","start":"10:22","end":"12:01","startHours":10.372397910118124,"endHours":12.008342751581775,"quality":"auspicious"},{"name":"Roga","start":"12:01","end":"13:39","startHours":12.008342751581775,"endHours":13.644287593045423,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:17","startHours":13.644287593045423,"endHours":15.280232434509074,"quality":"inauspicious"},{"name":"Chala","start":"15:17","end":"16:55","startHours":15.280232434509074,"endHours":16.916177275972725,"quality":"neutral"},{"name":"Labha","start":"16:55","end":"18:33","startHours":16.916177275972725,"endHours":18.552122117436372,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:33","end":"19:55","startHours":18.552122117436372,"endHours":19.91617727597272,"quality":"inauspicious"},{"name":"Chala","start":"19:55","end":"21:17","startHours":19.91617727597272,"endHours":21.280232434509074,"quality":"neutral"},{"name":"Labha","start":"21:17","end":"22:39","startHours":21.280232434509074,"endHours":22.644287593045423,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:01","startHours":22.644287593045423,"endHours":24.008342751581772,"quality":"auspicious"},{"name":"Kāla","start":"00:01","end":"01:22","startHours":24.008342751581772,"endHours":25.372397910118124,"quality":"inauspicious"},{"name":"Śubha","start":"01:22","end":"02:44","startHours":25.372397910118124,"endHours":26.736453068654473,"quality":"auspicious"},{"name":"Roga","start":"02:44","end":"04:06","startHours":26.736453068654473,"endHours":28.100508227190822,"quality":"inauspicious"},{"name":"Udveg","start":"04:06","end":"05:28","startHours":28.100508227190822,"endHours":29.464563385727175,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:28","end":"06:28","startHours":5.464563385727176,"endHours":6.464563385727176,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:28","end":"07:28","startHours":6.464563385727176,"endHours":7.464563385727176,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:28","end":"08:28","startHours":7.464563385727176,"endHours":8.464563385727175,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:28","end":"09:28","startHours":8.464563385727175,"endHours":9.464563385727175,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:28","end":"10:28","startHours":9.464563385727175,"endHours":10.464563385727175,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:28","end":"11:28","startHours":10.464563385727175,"endHours":11.464563385727175,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:28","end":"12:28","startHours":11.464563385727175,"endHours":12.464563385727175,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:28","end":"13:28","startHours":12.464563385727175,"endHours":13.464563385727175,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:28","end":"14:28","startHours":13.464563385727175,"endHours":14.464563385727175,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:28","end":"15:28","startHours":14.464563385727175,"endHours":15.464563385727175,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:28","end":"16:28","startHours":15.464563385727175,"endHours":16.464563385727175,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:28","end":"17:28","startHours":16.464563385727175,"endHours":17.464563385727175,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:28","end":"18:28","startHours":17.464563385727175,"endHours":18.464563385727175,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:28","end":"19:28","startHours":18.464563385727175,"endHours":19.464563385727175,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:28","end":"20:28","startHours":19.464563385727175,"endHours":20.464563385727175,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:28","end":"21:28","startHours":20.464563385727175,"endHours":21.464563385727175,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:28","end":"22:28","startHours":21.464563385727175,"endHours":22.464563385727175,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:28","end":"23:28","startHours":22.464563385727175,"endHours":23.464563385727175,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:28","end":"00:28","startHours":23.464563385727175,"endHours":24.464563385727175,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:28","end":"01:28","startHours":24.464563385727175,"endHours":25.464563385727175,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:28","end":"02:28","startHours":25.464563385727175,"endHours":26.464563385727175,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:28","end":"03:28","startHours":26.464563385727175,"endHours":27.464563385727175,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:28","end":"04:28","startHours":27.464563385727175,"endHours":28.464563385727175,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:28","end":"05:28","startHours":28.464563385727175,"endHours":29.464563385727175,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","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":-11.281279311735654,"eotMinutes":16.057434905093558,"ayanamsa":23.8922}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Dvitīyā · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"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}],"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 October 23, 2002 CE · Perth, Australia · Vidhyamitra","description":"October 23, 2002 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:28, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2002-10-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2002-10-23","sa":"https://sa.vidhyamitra.com/city/perth/2002-10-23","hi":"https://hi.vidhyamitra.com/city/perth/2002-10-23","x-default":"https://vidhyamitra.com/city/perth/2002-10-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T15:03:28.924Z","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":"2026-05-16T15:03:28.925Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T15:03:28.925Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}