{"id":"vidhyamitra:city-day:perth:2012-09-24:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2012-09-24","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-24","date_display":"September 24, 2012 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":2012,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456194.770833,"kali_year":5114,"ahargana":1867729.2708,"sun":{"sidereal_longitude":156.5963,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":261.1169,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.5206,"elapsed_within_tithi_degrees":8.5206},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.1169,"elapsed_within_degrees":7.7836},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.7133},"karana":{"half_tithi_index":17,"name":"Kaulava"},"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":2012,"month":9,"day":24,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456194.770833,"ahargana":1867729.2708,"kali_year":5114,"ayanamsa_lahiri":24.0308,"grahas":{"sun":{"sidereal_longitude":157.369055,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":263.130955,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":3.0328},"mars":{"sidereal_longitude":206.682455,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":167.809755,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":51.83095500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":115.15375499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":184.34245499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":218.7151,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.7151,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2012,"month":9,"day":24,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456194.770833,"kali_year":5114,"ahargana":1867729.2708,"sun":{"sidereal_longitude":156.5963,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":261.1169,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":104.5206,"elapsed_within_tithi_degrees":8.5206},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":261.1169,"elapsed_within_degrees":7.7836},"yoga":{"number":5,"name":"Śobhana","sum_longitude":57.7133},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.033,"elongation":104.521},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.033,"opposition_distance":75.479}},"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":"06:02","sunsetLocal":"18:13","solarNoonLocal":"12:08","dayLengthHours":12.1772103251561,"dayLengthDisplay":"12 Hours 10 Mins 38 Secs","nightLengthDisplay":"11 Hours 49 Mins 22 Secs","moonriseLocal":"12:08","moonsetLocal":"02:13","rahuKala":{"name":"Rāhu Kāla","start":"07:34","end":"09:05","startHours":7.5629609548368215,"endHours":9.085112245481334,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:36","end":"12:08","startHours":10.607263536125847,"endHours":12.12941482677036,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:10","startHours":13.651566117414871,"endHours":15.173717408059385,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:17","startHours":8.882158740062065,"endHours":9.288065750900603,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:52","startHours":6.548193427740481,"endHours":6.87291903641131,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:32","startHours":11.723507815931823,"endHours":12.535321837608896,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:25","end":"05:14","startHours":4.4171816208381625,"endHours":5.228995642515236,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:02","end":"06:02","startHours":5.026042137095968,"endHours":6.0408096641923095,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.158949880963043,"endHours":14.970763902640115,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01801998934841,"endHours":18.41801998934841,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:44","startHours":18.21801998934841,"endHours":18.72540375289658,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96801998934841,"endHours":19.71801998934841,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:32","startHours":23.72350781593182,"endHours":24.535321837608894,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:02","end":"07:34","startHours":6.0408096641923095,"endHours":7.5629609548368215,"quality":"auspicious"},{"name":"Kāla","start":"07:34","end":"09:05","startHours":7.5629609548368215,"endHours":9.085112245481334,"quality":"inauspicious"},{"name":"Śubha","start":"09:05","end":"10:36","startHours":9.085112245481334,"endHours":10.607263536125847,"quality":"auspicious"},{"name":"Roga","start":"10:36","end":"12:08","startHours":10.607263536125847,"endHours":12.12941482677036,"quality":"inauspicious"},{"name":"Udveg","start":"12:08","end":"13:39","startHours":12.12941482677036,"endHours":13.651566117414871,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:10","startHours":13.651566117414871,"endHours":15.173717408059385,"quality":"neutral"},{"name":"Labha","start":"15:10","end":"16:42","startHours":15.173717408059385,"endHours":16.695868698703897,"quality":"auspicious"},{"name":"Amṛta","start":"16:42","end":"18:13","startHours":16.695868698703897,"endHours":18.21801998934841,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:13","end":"19:42","startHours":18.21801998934841,"endHours":19.695868698703897,"quality":"neutral"},{"name":"Labha","start":"19:42","end":"21:10","startHours":19.695868698703897,"endHours":21.173717408059385,"quality":"auspicious"},{"name":"Amṛta","start":"21:10","end":"22:39","startHours":21.173717408059385,"endHours":22.651566117414873,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"00:08","startHours":22.651566117414873,"endHours":24.129414826770358,"quality":"inauspicious"},{"name":"Śubha","start":"00:08","end":"01:36","startHours":24.129414826770358,"endHours":25.60726353612585,"quality":"auspicious"},{"name":"Roga","start":"01:36","end":"03:05","startHours":25.60726353612585,"endHours":27.085112245481334,"quality":"inauspicious"},{"name":"Udveg","start":"03:05","end":"04:34","startHours":27.085112245481334,"endHours":28.56296095483682,"quality":"inauspicious"},{"name":"Chala","start":"04:34","end":"06:02","startHours":28.56296095483682,"endHours":30.04080966419231,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.0408096641923095,"endHours":7.0408096641923095,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.0408096641923095,"endHours":8.04080966419231,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.04080966419231,"endHours":9.04080966419231,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.04080966419231,"endHours":10.04080966419231,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.04080966419231,"endHours":11.04080966419231,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.04080966419231,"endHours":12.04080966419231,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.04080966419231,"endHours":13.04080966419231,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.04080966419231,"endHours":14.04080966419231,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.04080966419231,"endHours":15.04080966419231,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.04080966419231,"endHours":16.04080966419231,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.04080966419231,"endHours":17.04080966419231,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.04080966419231,"endHours":18.04080966419231,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.04080966419231,"endHours":19.04080966419231,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.04080966419231,"endHours":20.04080966419231,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.04080966419231,"endHours":21.04080966419231,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.04080966419231,"endHours":22.04080966419231,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.04080966419231,"endHours":23.04080966419231,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.04080966419231,"endHours":24.04080966419231,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.04080966419231,"endHours":25.04080966419231,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.04080966419231,"endHours":26.04080966419231,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.04080966419231,"endHours":27.04080966419231,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.04080966419231,"endHours":28.04080966419231,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.04080966419231,"endHours":29.04080966419231,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.04080966419231,"endHours":30.04080966419231,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-0.5567211447201424,"eotMinutes":8.793110393778392,"ayanamsa":24.0308}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Navamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"mahanavami","name":"Mahā-Navamī","name_sanskrit":"महानवमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"9th day of Śāradīya Navrātri; Devī's final victory.","vrata":true,"detection":{"tithi_number":9,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"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":"Kanyā"},"precedence":4}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","relevance":0.5}]},"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 24, 2012 CE · Perth, Australia · Vidhyamitra","description":"September 24, 2012 CE for Perth, Australia: Śukla Navamī, sūryodaya 06:02, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2012-09-24","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2012-09-24","sa":"https://sa.vidhyamitra.com/city/perth/2012-09-24","hi":"https://hi.vidhyamitra.com/city/perth/2012-09-24","x-default":"https://vidhyamitra.com/city/perth/2012-09-24"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T02:00:52.041Z","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":"2026-05-16T02:00:52.041Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T02:00:52.041Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}