{"id":"vidhyamitra:city-day:perth:2030-09-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-09-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-09-07","date_display":"September 7, 2030 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":2030,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462751.770833,"kali_year":5132,"ahargana":1874286.2708,"sun":{"sidereal_longitude":139.4232,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":258.0204,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.5972,"elapsed_within_tithi_degrees":10.5972},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.0204,"elapsed_within_degrees":4.6871},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.4437},"karana":{"half_tithi_index":19,"name":"Gara"},"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":2030,"month":9,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462751.770833,"ahargana":1874286.2708,"kali_year":5132,"ayanamsa_lahiri":24.2816,"grahas":{"sun":{"sidereal_longitude":140.20322900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":258.183629,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":2.0222},"mars":{"sidereal_longitude":109.394229,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":126.60722900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":207.63802899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":128.30672900000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":44.372528999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":231.2937,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":51.2937,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"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":2030,"month":9,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462751.770833,"kali_year":5132,"ahargana":1874286.2708,"sun":{"sidereal_longitude":139.4232,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":258.0204,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":118.5972,"elapsed_within_tithi_degrees":10.5972},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.0204,"elapsed_within_degrees":4.6871},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":37.4437},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.022,"elongation":118.597},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.022,"opposition_distance":61.403}},"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":"06:25","sunsetLocal":"18:03","solarNoonLocal":"12:14","dayLengthHours":11.621694445726128,"dayLengthDisplay":"11 Hours 37 Mins 18 Secs","nightLengthDisplay":"12 Hours 22 Mins 42 Secs","moonriseLocal":"13:02","moonsetLocal":"03:10","rahuKala":{"name":"Rāhu Kāla","start":"09:20","end":"10:47","startHours":9.327908072384421,"endHours":10.780619878100188,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:08","startHours":13.68604348953172,"endHours":15.138755295247485,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:25","end":"07:53","startHours":6.42248446095289,"endHours":7.875196266668656,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:31","startHours":9.134213164955653,"endHours":9.52160297981319,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.906721729524812,"endHours":7.216633581410842,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:37","startHours":11.845941868958418,"endHours":12.620721498673491,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:39","startHours":4.872925201522739,"endHours":5.647704831237815,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:25","startHours":5.454009923809046,"endHours":6.42248446095289,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.170280758103642,"endHours":14.945060387818717,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.84417890667902,"endHours":18.244178906679018,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:32","startHours":18.04417890667902,"endHours":18.52841617525094,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.79417890667902,"endHours":19.54417890667902,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:37","startHours":23.845941868958416,"endHours":24.620721498673493,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:25","end":"07:53","startHours":6.42248446095289,"endHours":7.875196266668656,"quality":"inauspicious"},{"name":"Śubha","start":"07:53","end":"09:20","startHours":7.875196266668656,"endHours":9.327908072384421,"quality":"auspicious"},{"name":"Roga","start":"09:20","end":"10:47","startHours":9.327908072384421,"endHours":10.780619878100188,"quality":"inauspicious"},{"name":"Udveg","start":"10:47","end":"12:14","startHours":10.780619878100188,"endHours":12.233331683815955,"quality":"inauspicious"},{"name":"Chala","start":"12:14","end":"13:41","startHours":12.233331683815955,"endHours":13.68604348953172,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:08","startHours":13.68604348953172,"endHours":15.138755295247485,"quality":"auspicious"},{"name":"Amṛta","start":"15:08","end":"16:35","startHours":15.138755295247485,"endHours":16.591467100963254,"quality":"auspicious"},{"name":"Kāla","start":"16:35","end":"18:03","startHours":16.591467100963254,"endHours":18.04417890667902,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:03","end":"19:35","startHours":18.04417890667902,"endHours":19.591467100963254,"quality":"auspicious"},{"name":"Amṛta","start":"19:35","end":"21:08","startHours":19.591467100963254,"endHours":21.138755295247485,"quality":"auspicious"},{"name":"Kāla","start":"21:08","end":"22:41","startHours":21.138755295247485,"endHours":22.68604348953172,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:14","startHours":22.68604348953172,"endHours":24.233331683815955,"quality":"auspicious"},{"name":"Roga","start":"00:14","end":"01:47","startHours":24.233331683815955,"endHours":25.78061987810019,"quality":"inauspicious"},{"name":"Udveg","start":"01:47","end":"03:20","startHours":25.78061987810019,"endHours":27.327908072384425,"quality":"inauspicious"},{"name":"Chala","start":"03:20","end":"04:53","startHours":27.327908072384425,"endHours":28.875196266668656,"quality":"neutral"},{"name":"Labha","start":"04:53","end":"06:25","startHours":28.875196266668656,"endHours":30.42248446095289,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.42248446095289,"endHours":7.42248446095289,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.42248446095289,"endHours":8.42248446095289,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.42248446095289,"endHours":9.42248446095289,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.42248446095289,"endHours":10.42248446095289,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.42248446095289,"endHours":11.42248446095289,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.42248446095289,"endHours":12.42248446095289,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.42248446095289,"endHours":13.42248446095289,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.42248446095289,"endHours":14.42248446095289,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.42248446095289,"endHours":15.42248446095289,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.42248446095289,"endHours":16.42248446095289,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.42248446095289,"endHours":17.42248446095289,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.42248446095289,"endHours":18.42248446095289,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.42248446095289,"endHours":19.42248446095289,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.42248446095289,"endHours":20.42248446095289,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.42248446095289,"endHours":21.42248446095289,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.42248446095289,"endHours":22.42248446095289,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.42248446095289,"endHours":23.42248446095289,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.42248446095289,"endHours":24.42248446095289,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.42248446095289,"endHours":25.42248446095289,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.42248446095289,"endHours":26.42248446095289,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.42248446095289,"endHours":27.42248446095289,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.42248446095289,"endHours":28.42248446095289,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.42248446095289,"endHours":29.42248446095289,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.42248446095289,"endHours":30.42248446095289,"planetary_lord":"Mercury"}],"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":6.10730565612906,"eotMinutes":2.5580989710426816,"ayanamsa":24.2816}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Daśamī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 7, 2030 CE · Perth, Australia · Vidhyamitra","description":"September 7, 2030 CE for Perth, Australia: Śukla Daśamī, sūryodaya 06:25, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-09-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-09-07","sa":"https://sa.vidhyamitra.com/city/perth/2030-09-07","hi":"https://hi.vidhyamitra.com/city/perth/2030-09-07","x-default":"https://vidhyamitra.com/city/perth/2030-09-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:03:26.868Z","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":"2026-05-15T03:03:26.868Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:03:26.868Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}