{"id":"vidhyamitra:city-day:perth:2029-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2029-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2029-09-01","date_display":"September 1, 2029 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":2029,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462380.770833,"kali_year":5131,"ahargana":1873915.2708,"sun":{"sidereal_longitude":133.8805,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":45.1574,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.2769,"elapsed_within_tithi_degrees":7.2769},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":45.1574,"elapsed_within_degrees":5.1574},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.0378},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2029,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462380.770833,"ahargana":1873915.2708,"kali_year":5131,"ayanamsa_lahiri":24.2674,"grahas":{"sun":{"sidereal_longitude":134.63820399999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":42.98090400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":1.9565},"mars":{"sidereal_longitude":200.419404,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":157.22860400000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":181.31670400000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":174.44260400000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":30.654203999999993,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":250.951,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.951,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2029,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462380.770833,"kali_year":5131,"ahargana":1873915.2708,"sun":{"sidereal_longitude":133.8805,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":45.1574,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":271.2769,"elapsed_within_tithi_degrees":7.2769},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":45.1574,"elapsed_within_degrees":5.1574},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.0378},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.956,"elongation":88.723},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.956,"opposition_distance":91.277}},"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":"06:33","sunsetLocal":"17:59","solarNoonLocal":"12:16","dayLengthHours":11.44264652814132,"dayLengthDisplay":"11 Hours 26 Mins 34 Secs","nightLengthDisplay":"12 Hours 33 Mins 26 Secs","moonriseLocal":"01:03","moonsetLocal":"11:16","rahuKala":{"name":"Rāhu Kāla","start":"09:24","end":"10:50","startHours":9.407371404446781,"endHours":10.837702220464447,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:08","startHours":13.698363852499778,"endHours":15.12869466851744,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:33","end":"07:59","startHours":6.546709772411451,"endHours":7.977040588429116,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:36","startHours":9.21666062897776,"endHours":9.598082179915803,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.023486711084006,"endHours":7.328623951834441,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:39","startHours":11.886611485544067,"endHours":12.649454587420154,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:01","end":"05:47","startHours":5.021023568659275,"endHours":5.783866670535363,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:33","startHours":5.593155895066341,"endHours":6.546709772411451,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:56","startHours":14.175140791172332,"endHours":14.93798389304842,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.78935630055277,"endHours":18.18935630055277,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:28","startHours":17.98935630055277,"endHours":18.466133239225325,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.73935630055277,"endHours":19.48935630055277,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:39","startHours":23.886611485544066,"endHours":24.649454587420152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:33","end":"07:59","startHours":6.546709772411451,"endHours":7.977040588429116,"quality":"inauspicious"},{"name":"Śubha","start":"07:59","end":"09:24","startHours":7.977040588429116,"endHours":9.407371404446781,"quality":"auspicious"},{"name":"Roga","start":"09:24","end":"10:50","startHours":9.407371404446781,"endHours":10.837702220464447,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:16","startHours":10.837702220464447,"endHours":12.268033036482112,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:42","startHours":12.268033036482112,"endHours":13.698363852499778,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:08","startHours":13.698363852499778,"endHours":15.12869466851744,"quality":"auspicious"},{"name":"Amṛta","start":"15:08","end":"16:34","startHours":15.12869466851744,"endHours":16.559025484535105,"quality":"auspicious"},{"name":"Kāla","start":"16:34","end":"17:59","startHours":16.559025484535105,"endHours":17.98935630055277,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:59","end":"19:34","startHours":17.98935630055277,"endHours":19.559025484535105,"quality":"auspicious"},{"name":"Amṛta","start":"19:34","end":"21:08","startHours":19.559025484535105,"endHours":21.12869466851744,"quality":"auspicious"},{"name":"Kāla","start":"21:08","end":"22:42","startHours":21.12869466851744,"endHours":22.698363852499774,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:16","startHours":22.698363852499774,"endHours":24.26803303648211,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:50","startHours":24.26803303648211,"endHours":25.837702220464443,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:24","startHours":25.837702220464443,"endHours":27.40737140444678,"quality":"inauspicious"},{"name":"Chala","start":"03:24","end":"04:59","startHours":27.40737140444678,"endHours":28.977040588429116,"quality":"neutral"},{"name":"Labha","start":"04:59","end":"06:33","startHours":28.977040588429116,"endHours":30.54670977241145,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:33","end":"07:33","startHours":6.546709772411451,"endHours":7.546709772411451,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:33","end":"08:33","startHours":7.546709772411451,"endHours":8.54670977241145,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:33","end":"09:33","startHours":8.54670977241145,"endHours":9.54670977241145,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:33","end":"10:33","startHours":9.54670977241145,"endHours":10.54670977241145,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:33","end":"11:33","startHours":10.54670977241145,"endHours":11.54670977241145,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:33","end":"12:33","startHours":11.54670977241145,"endHours":12.54670977241145,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:33","end":"13:33","startHours":12.54670977241145,"endHours":13.54670977241145,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:33","end":"14:33","startHours":13.54670977241145,"endHours":14.54670977241145,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:33","end":"15:33","startHours":14.54670977241145,"endHours":15.54670977241145,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:33","end":"16:33","startHours":15.54670977241145,"endHours":16.54670977241145,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:33","end":"17:33","startHours":16.54670977241145,"endHours":17.54670977241145,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:33","end":"18:33","startHours":17.54670977241145,"endHours":18.54670977241145,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:33","end":"19:33","startHours":18.54670977241145,"endHours":19.54670977241145,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:33","end":"20:33","startHours":19.54670977241145,"endHours":20.54670977241145,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:33","end":"21:33","startHours":20.54670977241145,"endHours":21.54670977241145,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:33","end":"22:33","startHours":21.54670977241145,"endHours":22.54670977241145,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:33","end":"23:33","startHours":22.54670977241145,"endHours":23.54670977241145,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:33","end":"00:33","startHours":23.54670977241145,"endHours":24.54670977241145,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:33","end":"01:33","startHours":24.54670977241145,"endHours":25.54670977241145,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:33","end":"02:33","startHours":25.54670977241145,"endHours":26.54670977241145,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:33","end":"03:33","startHours":26.54670977241145,"endHours":27.54670977241145,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:33","end":"04:33","startHours":27.54670977241145,"endHours":28.54670977241145,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:33","end":"05:33","startHours":28.54670977241145,"endHours":29.54670977241145,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:33","end":"06:33","startHours":29.54670977241145,"endHours":30.54670977241145,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Dhātṛ","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":8.229939952143582,"eotMinutes":0.47601781107335894,"ayanamsa":24.2674}},"calendars":{"vikram_samvat":2086,"vikram_samvatsara":"Dundubhi","saka_samvat":1951,"saka_samvatsara":"Saumya","bengali_samvat":1436,"malayalam_era":1205,"nanakshahi_year":560,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Aṣṭamī · Vikram 2086 Dundubhi · Śaka 1951 Saumya"},"festivals":[{"id":"krishna-janmashtami","name":"Krishna Janmāṣṭamī","name_sanskrit":"कृष्ण जन्माष्टमी","tradition":"Vaishnava","associated_deity":"Krishna (svayaṁ bhagavān)","deity_avatara_index":20,"significance":"Bhagavān Krishna manifested at Mathurā midnight on this exact tithi-nakshatra alignment in 3227 BCE.","vrata":true,"primary_observance":"Madhya-rātri (midnight) abhiṣekam in Mathurā tradition","detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","nakshatra_name":"Rohiṇī","lunar_month":"Bhādrapada"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavān Krishna's birth at Mathurā","date_julian":"-3226-07-09","location":"Mathurā"},"sources":["Bhāgavata Purāṇa 10.3"]},{"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":"krishna-janmashtami-walk","name":"Krishna Janmāṣṭamī Walk","name_sanskrit":"कृष्ण जन्माष्टमी यात्रा","type":"festival","description":"Bhāgavata 10.3 (birth at Mathurā) + BG 4.7-8 + 10.8 (Krishna as svayaṁ bhagavān).","step_count":11,"url":"/walk/krishna-janmashtami-walk"},"reason":"Today is Krishna Janmāṣṭamī — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī + Rohiṇī","url":"/day/-3226-07-09","relevance":1}]},"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 1, 2029 CE · Perth, Australia · Vidhyamitra","description":"September 1, 2029 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:33, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2029-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2029-09-01","sa":"https://sa.vidhyamitra.com/city/perth/2029-09-01","hi":"https://hi.vidhyamitra.com/city/perth/2029-09-01","x-default":"https://vidhyamitra.com/city/perth/2029-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T18:19:18.264Z","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":"2026-05-14T18:19:18.264Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T18:19:18.264Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}