{"id":"vidhyamitra:city-day:perth:2148-09-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2148-09-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2148-09-04","date_display":"September 4, 2148 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":2148,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505847.770833,"kali_year":5250,"ahargana":1917382.2708,"sun":{"sidereal_longitude":135.0451,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":25.9537,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.9086,"elapsed_within_tithi_degrees":10.9086},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.9537,"elapsed_within_degrees":12.6204},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.9988},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2148,"month":9,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2505847.770833,"ahargana":1917382.2708,"kali_year":5250,"ayanamsa_lahiri":25.9299,"grahas":{"sun":{"sidereal_longitude":136.09684500000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":30.20234499999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":-4.4551},"mars":{"sidereal_longitude":37.84564499999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":138.355145,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":189.43694500000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":95.54164500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":46.010245,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":107.8602,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.8602,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2148,"month":9,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2505847.770833,"kali_year":5250,"ahargana":1917382.2708,"sun":{"sidereal_longitude":135.0451,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":25.9537,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":250.9086,"elapsed_within_tithi_degrees":10.9086},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.9537,"elapsed_within_degrees":12.6204},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.9988},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.455,"elongation":109.091},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.455,"opposition_distance":70.909}},"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":"06:29","sunsetLocal":"18:01","solarNoonLocal":"12:15","dayLengthHours":11.542419413923927,"dayLengthDisplay":"11 Hours 32 Mins 33 Secs","nightLengthDisplay":"12 Hours 27 Mins 27 Secs","moonriseLocal":"23:59","moonsetLocal":"10:24","rahuKala":{"name":"Rāhu Kāla","start":"12:15","end":"13:42","startHours":12.2510027317124,"endHours":13.69380515845289,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:55","end":"09:22","startHours":7.922595451490928,"endHours":9.365397878231418,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:48","end":"12:15","startHours":10.808200304971908,"endHours":12.2510027317124,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:33","startHours":9.173024221332685,"endHours":9.55777153513015,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:58","end":"07:16","startHours":6.960727166997266,"endHours":7.268525018035238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:38","startHours":11.866255417914935,"endHours":12.635750045509862,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:43","startHours":4.9408037695605795,"endHours":5.7102983971555075,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:29","startHours":5.517924740256776,"endHours":6.479793024750436,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.17473930069972,"endHours":14.944233928294649,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.822212438674363,"endHours":18.22221243867436,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:30","startHours":18.022212438674362,"endHours":18.503146580921193,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.772212438674362,"endHours":19.522212438674362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:38","startHours":23.86625541791493,"endHours":24.635750045509862,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:29","end":"07:55","startHours":6.479793024750436,"endHours":7.922595451490928,"quality":"auspicious"},{"name":"Amṛta","start":"07:55","end":"09:22","startHours":7.922595451490928,"endHours":9.365397878231418,"quality":"auspicious"},{"name":"Kāla","start":"09:22","end":"10:48","startHours":9.365397878231418,"endHours":10.808200304971908,"quality":"inauspicious"},{"name":"Śubha","start":"10:48","end":"12:15","startHours":10.808200304971908,"endHours":12.2510027317124,"quality":"auspicious"},{"name":"Roga","start":"12:15","end":"13:42","startHours":12.2510027317124,"endHours":13.69380515845289,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:08","startHours":13.69380515845289,"endHours":15.136607585193381,"quality":"inauspicious"},{"name":"Chala","start":"15:08","end":"16:35","startHours":15.136607585193381,"endHours":16.579410011933874,"quality":"neutral"},{"name":"Labha","start":"16:35","end":"18:01","startHours":16.579410011933874,"endHours":18.022212438674362,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:35","startHours":18.022212438674362,"endHours":19.57941001193387,"quality":"inauspicious"},{"name":"Chala","start":"19:35","end":"21:08","startHours":19.57941001193387,"endHours":21.13660758519338,"quality":"neutral"},{"name":"Labha","start":"21:08","end":"22:42","startHours":21.13660758519338,"endHours":22.69380515845289,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:15","startHours":22.69380515845289,"endHours":24.251002731712397,"quality":"auspicious"},{"name":"Kāla","start":"00:15","end":"01:48","startHours":24.251002731712397,"endHours":25.80820030497191,"quality":"inauspicious"},{"name":"Śubha","start":"01:48","end":"03:22","startHours":25.80820030497191,"endHours":27.365397878231416,"quality":"auspicious"},{"name":"Roga","start":"03:22","end":"04:55","startHours":27.365397878231416,"endHours":28.922595451490928,"quality":"inauspicious"},{"name":"Udveg","start":"04:55","end":"06:29","startHours":28.922595451490928,"endHours":30.479793024750435,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:29","end":"07:29","startHours":6.479793024750436,"endHours":7.479793024750436,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:29","end":"08:29","startHours":7.479793024750436,"endHours":8.479793024750435,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:29","end":"09:29","startHours":8.479793024750435,"endHours":9.479793024750435,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:29","end":"10:29","startHours":9.479793024750435,"endHours":10.479793024750435,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:29","end":"11:29","startHours":10.479793024750435,"endHours":11.479793024750435,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:29","end":"12:29","startHours":11.479793024750435,"endHours":12.479793024750435,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:29","end":"13:29","startHours":12.479793024750435,"endHours":13.479793024750435,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:29","end":"14:29","startHours":13.479793024750435,"endHours":14.479793024750435,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:29","end":"15:29","startHours":14.479793024750435,"endHours":15.479793024750435,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:29","end":"16:29","startHours":15.479793024750435,"endHours":16.479793024750435,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:29","end":"17:29","startHours":16.479793024750435,"endHours":17.479793024750435,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:29","end":"18:29","startHours":17.479793024750435,"endHours":18.479793024750435,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:29","end":"19:29","startHours":18.479793024750435,"endHours":19.479793024750435,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:29","end":"20:29","startHours":19.479793024750435,"endHours":20.479793024750435,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:29","end":"21:29","startHours":20.479793024750435,"endHours":21.479793024750435,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:29","end":"22:29","startHours":21.479793024750435,"endHours":22.479793024750435,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:29","end":"23:29","startHours":22.479793024750435,"endHours":23.479793024750435,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:29","end":"00:29","startHours":23.479793024750435,"endHours":24.479793024750435,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:29","end":"01:29","startHours":24.479793024750435,"endHours":25.479793024750435,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:29","end":"02:29","startHours":25.479793024750435,"endHours":26.479793024750435,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:29","end":"03:29","startHours":26.479793024750435,"endHours":27.479793024750435,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:29","end":"04:29","startHours":27.479793024750435,"endHours":28.479793024750435,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:29","end":"05:29","startHours":28.479793024750435,"endHours":29.479793024750435,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:29","end":"06:29","startHours":29.479793024750435,"endHours":30.479793024750435,"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.049656455904597,"eotMinutes":1.4978360972560227,"ayanamsa":25.9299}},"calendars":{"vikram_samvat":2205,"vikram_samvatsara":"Durmati","saka_samvat":2070,"saka_samvatsara":"Kīlaka","bengali_samvat":1555,"malayalam_era":1324,"nanakshahi_year":679,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ṣaṣṭhī · Vikram 2205 Durmati · Śaka 2070 Kīlaka"},"festivals":[{"id":"balarama-jayanti","name":"Balarāma Jayantī (Hala-Ṣaṣṭhī)","name_sanskrit":"बलराम जयन्ती","tradition":"Vaishnava","associated_deity":"Balarāma (Krishna's elder brother; ādi-śeṣa)","significance":"Birth of Bala-deva, Krishna's elder brother and Saṅkarṣaṇa.","vrata":true,"detection":{"tithi_number":21,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3,"sources":["Bhāgavata 10.2-3"]}],"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 4, 2148 CE · Perth, Australia · Vidhyamitra","description":"September 4, 2148 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:29, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2148-09-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2148-09-04","sa":"https://sa.vidhyamitra.com/city/perth/2148-09-04","hi":"https://hi.vidhyamitra.com/city/perth/2148-09-04","x-default":"https://vidhyamitra.com/city/perth/2148-09-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T23:42:16.326Z","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":"2026-05-31T23:42:16.326Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T23:42:16.326Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}