{"id":"vidhyamitra:city-day:perth:1972-09-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1972-09-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-09-06","date_display":"September 6, 1972 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":1972,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441566.770833,"kali_year":5074,"ahargana":1853101.2708,"sun":{"sidereal_longitude":139.4309,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":120.3629,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.932,"elapsed_within_tithi_degrees":4.932},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.3629,"elapsed_within_degrees":0.3629},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.7938},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":1972,"month":9,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441566.770833,"ahargana":1853101.2708,"kali_year":5074,"ayanamsa_lahiri":23.4714,"grahas":{"sun":{"sidereal_longitude":140.06935199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":119.895152,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false,"latitude":-2.0123},"mars":{"sidereal_longitude":140.92695200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":127.97225200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":245.804752,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":94.85785199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":56.78585199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":273.7769,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":93.7769,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"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":1972,"month":9,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441566.770833,"kali_year":5074,"ahargana":1853101.2708,"sun":{"sidereal_longitude":139.4309,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":120.3629,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":340.932,"elapsed_within_tithi_degrees":4.932},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":120.3629,"elapsed_within_degrees":0.3629},"yoga":{"number":20,"name":"Śiva","sum_longitude":259.7938},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.012,"elongation":19.068},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.012,"opposition_distance":160.932}},"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":"06:27","sunsetLocal":"18:02","solarNoonLocal":"12:14","dayLengthHours":11.591181090624907,"dayLengthDisplay":"11 Hours 35 Mins 28 Secs","nightLengthDisplay":"12 Hours 24 Mins 32 Secs","moonriseLocal":"05:26","moonsetLocal":"16:21","rahuKala":{"name":"Rāhu Kāla","start":"12:14","end":"13:41","startHours":12.239283204749324,"endHours":13.688180841077438,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:54","end":"09:20","startHours":7.892590295764984,"endHours":9.341487932093099,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:47","end":"12:14","startHours":10.790385568421211,"endHours":12.239283204749324,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.148301580582682,"endHours":9.534674283603513,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:14","startHours":6.926658538212909,"endHours":7.235756700629572,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:38","startHours":11.852910501728493,"endHours":12.625655907770154,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:54","end":"05:40","startHours":4.898201847353549,"endHours":5.6709472533952106,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:29","end":"06:27","startHours":5.477760901884795,"endHours":6.443692659436871,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.171146719853475,"endHours":14.943892125895136,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.834873750061778,"endHours":18.234873750061777,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:31","startHours":18.034873750061777,"endHours":18.517839628837816,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.784873750061777,"endHours":19.534873750061777,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:38","startHours":23.852910501728495,"endHours":24.625655907770152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:27","end":"07:54","startHours":6.443692659436871,"endHours":7.892590295764984,"quality":"auspicious"},{"name":"Amṛta","start":"07:54","end":"09:20","startHours":7.892590295764984,"endHours":9.341487932093099,"quality":"auspicious"},{"name":"Kāla","start":"09:20","end":"10:47","startHours":9.341487932093099,"endHours":10.790385568421211,"quality":"inauspicious"},{"name":"Śubha","start":"10:47","end":"12:14","startHours":10.790385568421211,"endHours":12.239283204749324,"quality":"auspicious"},{"name":"Roga","start":"12:14","end":"13:41","startHours":12.239283204749324,"endHours":13.688180841077438,"quality":"inauspicious"},{"name":"Udveg","start":"13:41","end":"15:08","startHours":13.688180841077438,"endHours":15.137078477405552,"quality":"inauspicious"},{"name":"Chala","start":"15:08","end":"16:35","startHours":15.137078477405552,"endHours":16.585976113733665,"quality":"neutral"},{"name":"Labha","start":"16:35","end":"18:02","startHours":16.585976113733665,"endHours":18.034873750061777,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:02","end":"19:35","startHours":18.034873750061777,"endHours":19.585976113733665,"quality":"inauspicious"},{"name":"Chala","start":"19:35","end":"21:08","startHours":19.585976113733665,"endHours":21.137078477405552,"quality":"neutral"},{"name":"Labha","start":"21:08","end":"22:41","startHours":21.137078477405552,"endHours":22.688180841077436,"quality":"auspicious"},{"name":"Amṛta","start":"22:41","end":"00:14","startHours":22.688180841077436,"endHours":24.239283204749324,"quality":"auspicious"},{"name":"Kāla","start":"00:14","end":"01:47","startHours":24.239283204749324,"endHours":25.79038556842121,"quality":"inauspicious"},{"name":"Śubha","start":"01:47","end":"03:20","startHours":25.79038556842121,"endHours":27.341487932093095,"quality":"auspicious"},{"name":"Roga","start":"03:20","end":"04:54","startHours":27.341487932093095,"endHours":28.892590295764982,"quality":"inauspicious"},{"name":"Udveg","start":"04:54","end":"06:27","startHours":28.892590295764982,"endHours":30.44369265943687,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.443692659436871,"endHours":7.443692659436871,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.443692659436871,"endHours":8.44369265943687,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.44369265943687,"endHours":9.44369265943687,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.44369265943687,"endHours":10.44369265943687,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.44369265943687,"endHours":11.44369265943687,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.44369265943687,"endHours":12.44369265943687,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.44369265943687,"endHours":13.44369265943687,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.44369265943687,"endHours":14.44369265943687,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.44369265943687,"endHours":15.44369265943687,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.44369265943687,"endHours":16.44369265943687,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.44369265943687,"endHours":17.44369265943687,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.44369265943687,"endHours":18.44369265943687,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.44369265943687,"endHours":19.44369265943687,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.44369265943687,"endHours":20.44369265943687,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.44369265943687,"endHours":21.44369265943687,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.44369265943687,"endHours":22.44369265943687,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.44369265943687,"endHours":23.44369265943687,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.44369265943687,"endHours":24.44369265943687,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.44369265943687,"endHours":25.44369265943687,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.44369265943687,"endHours":26.44369265943687,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.44369265943687,"endHours":27.44369265943687,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.44369265943687,"endHours":28.44369265943687,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.44369265943687,"endHours":29.44369265943687,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.44369265943687,"endHours":30.44369265943687,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.4704548399169575,"eotMinutes":2.2010077150405363,"ayanamsa":23.4714}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"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 Caturdaśī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 6, 1972 CE · Perth, Australia · Vidhyamitra","description":"September 6, 1972 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 06:27, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1972-09-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1972-09-06","sa":"https://sa.vidhyamitra.com/city/perth/1972-09-06","hi":"https://hi.vidhyamitra.com/city/perth/1972-09-06","x-default":"https://vidhyamitra.com/city/perth/1972-09-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:39:31.870Z","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":"2026-06-02T04:39:31.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:39:31.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}