{"id":"vidhyamitra:city-day:perth:2004-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-09-17","date_display":"September 17, 2004 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":2004,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453265.770833,"kali_year":5106,"ahargana":1864800.2708,"sun":{"sidereal_longitude":149.8328,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":179.5013,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.6685,"elapsed_within_tithi_degrees":5.6685},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.5013,"elapsed_within_degrees":6.168},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.3341},"karana":{"half_tithi_index":4,"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":2004,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453265.770833,"ahargana":1864800.2708,"kali_year":5106,"ayanamsa_lahiri":23.9188,"grahas":{"sun":{"sidereal_longitude":150.57566399999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":180.65226400000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":1.1185},"mars":{"sidereal_longitude":150.021664,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":135.396564,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":154.58026399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":107.043564,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":90.923564,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":13.9076,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":193.9076,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"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":2004,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453265.770833,"kali_year":5106,"ahargana":1864800.2708,"sun":{"sidereal_longitude":149.8328,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":179.5013,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":29.6685,"elapsed_within_tithi_degrees":5.6685},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.5013,"elapsed_within_degrees":6.168},"yoga":{"number":25,"name":"Brahma","sum_longitude":329.3341},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.119,"elongation":29.668},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.119,"opposition_distance":150.332}},"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":"06:12","sunsetLocal":"18:09","solarNoonLocal":"12:10","dayLengthHours":11.94904593316367,"dayLengthDisplay":"11 Hours 56 Mins 57 Secs","nightLengthDisplay":"12 Hours 03 Mins 03 Secs","moonriseLocal":"07:44","moonsetLocal":"20:37","rahuKala":{"name":"Rāhu Kāla","start":"10:41","end":"12:10","startHours":10.678343195765077,"endHours":12.171973937410534,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:10","end":"16:39","startHours":15.159235420701453,"endHours":16.65286616234691,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:41","end":"09:11","startHours":7.691081712474158,"endHours":9.184712454119618,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:23","startHours":8.98556168856689,"endHours":9.383863219672346,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:01","startHours":6.69532788471052,"endHours":7.013969109594885,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:34","startHours":11.77367240630508,"endHours":12.570275468515993,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:36","end":"05:24","startHours":4.6042448464068775,"endHours":5.400847908617789,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:12","end":"06:12","startHours":5.2016971430650605,"endHours":6.1974509708287,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.163481592937814,"endHours":14.960084655148725,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.946496903992372,"endHours":18.34649690399237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.14649690399237,"endHours":18.64437381787419,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.89649690399237,"endHours":19.64649690399237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:34","startHours":23.773672406305078,"endHours":24.57027546851599,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:12","end":"07:41","startHours":6.1974509708287,"endHours":7.691081712474158,"quality":"neutral"},{"name":"Labha","start":"07:41","end":"09:11","startHours":7.691081712474158,"endHours":9.184712454119618,"quality":"auspicious"},{"name":"Amṛta","start":"09:11","end":"10:41","startHours":9.184712454119618,"endHours":10.678343195765077,"quality":"auspicious"},{"name":"Kāla","start":"10:41","end":"12:10","startHours":10.678343195765077,"endHours":12.171973937410534,"quality":"inauspicious"},{"name":"Śubha","start":"12:10","end":"13:40","startHours":12.171973937410534,"endHours":13.665604679055996,"quality":"auspicious"},{"name":"Roga","start":"13:40","end":"15:10","startHours":13.665604679055996,"endHours":15.159235420701453,"quality":"inauspicious"},{"name":"Udveg","start":"15:10","end":"16:39","startHours":15.159235420701453,"endHours":16.65286616234691,"quality":"inauspicious"},{"name":"Chala","start":"16:39","end":"18:09","startHours":16.65286616234691,"endHours":18.14649690399237,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:09","end":"19:39","startHours":18.14649690399237,"endHours":19.652866162346914,"quality":"inauspicious"},{"name":"Udveg","start":"19:39","end":"21:10","startHours":19.652866162346914,"endHours":21.159235420701453,"quality":"inauspicious"},{"name":"Chala","start":"21:10","end":"22:40","startHours":21.159235420701453,"endHours":22.665604679055996,"quality":"neutral"},{"name":"Labha","start":"22:40","end":"00:10","startHours":22.665604679055996,"endHours":24.171973937410534,"quality":"auspicious"},{"name":"Amṛta","start":"00:10","end":"01:41","startHours":24.171973937410534,"endHours":25.678343195765077,"quality":"auspicious"},{"name":"Kāla","start":"01:41","end":"03:11","startHours":25.678343195765077,"endHours":27.18471245411962,"quality":"inauspicious"},{"name":"Śubha","start":"03:11","end":"04:41","startHours":27.18471245411962,"endHours":28.69108171247416,"quality":"auspicious"},{"name":"Roga","start":"04:41","end":"06:12","startHours":28.69108171247416,"endHours":30.1974509708287,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.1974509708287,"endHours":7.1974509708287,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.1974509708287,"endHours":8.197450970828701,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.197450970828701,"endHours":9.197450970828701,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.197450970828701,"endHours":10.197450970828701,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.197450970828701,"endHours":11.197450970828701,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.197450970828701,"endHours":12.197450970828701,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.197450970828701,"endHours":13.197450970828701,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.197450970828701,"endHours":14.197450970828701,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.197450970828701,"endHours":15.197450970828701,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.197450970828701,"endHours":16.1974509708287,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.1974509708287,"endHours":17.1974509708287,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.1974509708287,"endHours":18.1974509708287,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.1974509708287,"endHours":19.1974509708287,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.1974509708287,"endHours":20.1974509708287,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.1974509708287,"endHours":21.1974509708287,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.1974509708287,"endHours":22.1974509708287,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.1974509708287,"endHours":23.1974509708287,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.1974509708287,"endHours":24.1974509708287,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.1974509708287,"endHours":25.1974509708287,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.1974509708287,"endHours":26.1974509708287,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.1974509708287,"endHours":27.1974509708287,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.1974509708287,"endHours":28.1974509708287,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.1974509708287,"endHours":29.1974509708287,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.1974509708287,"endHours":30.1974509708287,"planetary_lord":"Mars"}],"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","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.1868931734560637,"eotMinutes":6.239563755367786,"ayanamsa":23.9188}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","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":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Tṛtīyā · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"varaha-jayanti","name":"Varāha Jayantī","name_sanskrit":"वराह जयन्ती","tradition":"Vaishnava","associated_deity":"Varāha (3rd daśāvatāra of Krishna)","deity_avatara_index":12,"significance":"Varāha lifted Bhū-Devī from the cosmic ocean.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4,"sources":["Bhāgavata 3.13"]},{"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_ingress":"Kanyā"},"precedence":4}],"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 September 17, 2004 CE · Perth, Australia · Vidhyamitra","description":"September 17, 2004 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 06:12, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-09-17","sa":"https://sa.vidhyamitra.com/city/perth/2004-09-17","hi":"https://hi.vidhyamitra.com/city/perth/2004-09-17","x-default":"https://vidhyamitra.com/city/perth/2004-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:50:41.140Z","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":"2026-05-31T14:50:41.140Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:50:41.140Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}