{"id":"vidhyamitra:city-day:perth:2004-09-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2004-09-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-09-27","date_display":"September 27, 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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453275.770833,"kali_year":5106,"ahargana":1864810.2708,"sun":{"sidereal_longitude":159.603,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":322.0266,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.4237,"elapsed_within_tithi_degrees":6.4237},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.0266,"elapsed_within_degrees":2.0266},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.6296},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453275.770833,"ahargana":1864810.2708,"kali_year":5106,"ayanamsa_lahiri":23.9192,"grahas":{"sun":{"sidereal_longitude":160.35848199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":321.298582,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.513},"mars":{"sidereal_longitude":156.46408199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":153.17508199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":156.74918200000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":118.32768199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":91.71718199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":13.3778,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":193.3778,"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":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453275.770833,"kali_year":5106,"ahargana":1864810.2708,"sun":{"sidereal_longitude":159.603,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":322.0266,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.4237,"elapsed_within_tithi_degrees":6.4237},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":322.0266,"elapsed_within_degrees":2.0266},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.6296},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.513,"elongation":162.424},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.513,"opposition_distance":17.576}},"eclipse_window_40days":[{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":1.411,"elongation":2.18}]},"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":"05:59","sunsetLocal":"18:15","solarNoonLocal":"12:07","dayLengthHours":12.272417485157597,"dayLengthDisplay":"12 Hours 16 Mins 21 Secs","nightLengthDisplay":"11 Hours 43 Mins 39 Secs","moonriseLocal":"16:33","moonsetLocal":"05:08","rahuKala":{"name":"Rāhu Kāla","start":"07:31","end":"09:03","startHours":7.509797349820602,"endHours":9.043849535465302,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:35","end":"12:07","startHours":10.57790172111,"endHours":12.1119539067547,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:11","startHours":13.6460060923994,"endHours":15.1800582780441,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:50","end":"09:15","startHours":8.839309244046008,"endHours":9.248389826884594,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:49","startHours":6.487095892724136,"endHours":6.814360358995005,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:31","startHours":11.702873323916114,"endHours":12.521034489593285,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:09","startHours":4.339422832821556,"endHours":5.157583998498729,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:57","end":"05:59","startHours":4.953043707079436,"endHours":5.975745164175902,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.157356820947633,"endHours":14.975517986624807,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.0481626493335,"endHours":18.448162649333497,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:46","startHours":18.248162649333498,"endHours":18.75951337788173,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.998162649333498,"endHours":19.748162649333498,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:31","startHours":23.702873323916112,"endHours":24.521034489593287,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:59","end":"07:31","startHours":5.975745164175902,"endHours":7.509797349820602,"quality":"auspicious"},{"name":"Kāla","start":"07:31","end":"09:03","startHours":7.509797349820602,"endHours":9.043849535465302,"quality":"inauspicious"},{"name":"Śubha","start":"09:03","end":"10:35","startHours":9.043849535465302,"endHours":10.57790172111,"quality":"auspicious"},{"name":"Roga","start":"10:35","end":"12:07","startHours":10.57790172111,"endHours":12.1119539067547,"quality":"inauspicious"},{"name":"Udveg","start":"12:07","end":"13:39","startHours":12.1119539067547,"endHours":13.6460060923994,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:11","startHours":13.6460060923994,"endHours":15.1800582780441,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:43","startHours":15.1800582780441,"endHours":16.714110463688797,"quality":"auspicious"},{"name":"Amṛta","start":"16:43","end":"18:15","startHours":16.714110463688797,"endHours":18.248162649333498,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:15","end":"19:43","startHours":18.248162649333498,"endHours":19.714110463688797,"quality":"neutral"},{"name":"Labha","start":"19:43","end":"21:11","startHours":19.714110463688797,"endHours":21.1800582780441,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:39","startHours":21.1800582780441,"endHours":22.6460060923994,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"00:07","startHours":22.6460060923994,"endHours":24.1119539067547,"quality":"inauspicious"},{"name":"Śubha","start":"00:07","end":"01:35","startHours":24.1119539067547,"endHours":25.57790172111,"quality":"auspicious"},{"name":"Roga","start":"01:35","end":"03:03","startHours":25.57790172111,"endHours":27.0438495354653,"quality":"inauspicious"},{"name":"Udveg","start":"03:03","end":"04:31","startHours":27.0438495354653,"endHours":28.5097973498206,"quality":"inauspicious"},{"name":"Chala","start":"04:31","end":"05:59","startHours":28.5097973498206,"endHours":29.9757451641759,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:59","end":"06:59","startHours":5.975745164175902,"endHours":6.975745164175902,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:59","end":"07:59","startHours":6.975745164175902,"endHours":7.975745164175902,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:59","end":"08:59","startHours":7.975745164175902,"endHours":8.975745164175901,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:59","end":"09:59","startHours":8.975745164175901,"endHours":9.975745164175901,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:59","end":"10:59","startHours":9.975745164175901,"endHours":10.975745164175901,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:59","end":"11:59","startHours":10.975745164175901,"endHours":11.975745164175901,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:59","end":"12:59","startHours":11.975745164175901,"endHours":12.975745164175901,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:59","end":"13:59","startHours":12.975745164175901,"endHours":13.975745164175901,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:59","end":"14:59","startHours":13.975745164175901,"endHours":14.975745164175901,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:59","end":"15:59","startHours":14.975745164175901,"endHours":15.975745164175901,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:59","end":"16:59","startHours":15.975745164175901,"endHours":16.9757451641759,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:59","end":"17:59","startHours":16.9757451641759,"endHours":17.9757451641759,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:59","end":"18:59","startHours":17.9757451641759,"endHours":18.9757451641759,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:59","end":"19:59","startHours":18.9757451641759,"endHours":19.9757451641759,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:59","end":"20:59","startHours":19.9757451641759,"endHours":20.9757451641759,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:59","end":"21:59","startHours":20.9757451641759,"endHours":21.9757451641759,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:59","end":"22:59","startHours":21.9757451641759,"endHours":22.9757451641759,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:59","end":"23:59","startHours":22.9757451641759,"endHours":23.9757451641759,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:59","end":"00:59","startHours":23.9757451641759,"endHours":24.9757451641759,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:59","end":"01:59","startHours":24.9757451641759,"endHours":25.9757451641759,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:59","end":"02:59","startHours":25.9757451641759,"endHours":26.9757451641759,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:59","end":"03:59","startHours":26.9757451641759,"endHours":27.9757451641759,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:59","end":"04:59","startHours":27.9757451641759,"endHours":28.9757451641759,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:59","end":"05:59","startHours":28.9757451641759,"endHours":29.9757451641759,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.7000422760881537,"eotMinutes":9.840765594718077,"ayanamsa":23.9192}},"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 Caturdaśī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 27, 2004 CE · Perth, Australia · Vidhyamitra","description":"September 27, 2004 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:59, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2004-09-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2004-09-27","sa":"https://sa.vidhyamitra.com/city/perth/2004-09-27","hi":"https://hi.vidhyamitra.com/city/perth/2004-09-27","x-default":"https://vidhyamitra.com/city/perth/2004-09-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:34:25.629Z","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":"2026-05-31T10:34:25.629Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:34:25.629Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}