{"id":"vidhyamitra:city-day:perth:1936-08-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1936-08-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1936-08-18","date_display":"August 18, 1936 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":1936,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428398.770833,"kali_year":5038,"ahargana":1839933.2708,"sun":{"sidereal_longitude":121.4561,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":134.1462,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.6901,"elapsed_within_tithi_degrees":0.6901},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1462,"elapsed_within_degrees":0.8129},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.6024},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1936,"month":8,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428398.770833,"ahargana":1839933.2708,"kali_year":5038,"ayanamsa_lahiri":22.9677,"grahas":{"sun":{"sidereal_longitude":121.934166,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":132.31566599999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-3.9967},"mars":{"sidereal_longitude":102.82826599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":144.40896599999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":232.49696600000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":136.49656600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":328.4797659999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":251.4809,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.4809,"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":1936,"month":8,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428398.770833,"kali_year":5038,"ahargana":1839933.2708,"sun":{"sidereal_longitude":121.4561,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":134.1462,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":12.6901,"elapsed_within_tithi_degrees":0.6901},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1462,"elapsed_within_degrees":0.8129},"yoga":{"number":20,"name":"Śiva","sum_longitude":255.6024},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.997,"elongation":12.69},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.997,"opposition_distance":167.31}},"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":"06:50","sunsetLocal":"17:50","solarNoonLocal":"12:20","dayLengthHours":11.012469998905182,"dayLengthDisplay":"11 Hours 00 Mins 45 Secs","nightLengthDisplay":"12 Hours 59 Mins 15 Secs","moonriseLocal":"07:23","moonsetLocal":"18:40","rahuKala":{"name":"Rāhu Kāla","start":"15:05","end":"16:28","startHours":15.087885128408132,"endHours":16.464443878271283,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:35","end":"10:57","startHours":9.581650128955541,"endHours":10.95820887881869,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:20","end":"13:43","startHours":12.334767628681838,"endHours":13.711326378544985,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:46","startHours":9.398108962307123,"endHours":9.765191295603962,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.287385545850296,"endHours":7.581051412487768,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.967685295385,"endHours":12.701849961978677,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:06","startHours":5.360203296041889,"endHours":6.094367962635568,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:50","startHours":5.910826795987148,"endHours":6.8285326292292465,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.170179295166035,"endHours":14.904343961759714,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.64100262813443,"endHours":18.04100262813443,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.84100262813443,"endHours":18.299855544755477,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.59100262813443,"endHours":19.34100262813443,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.967685295385,"endHours":24.701849961978677,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:50","end":"08:12","startHours":6.8285326292292465,"endHours":8.205091379092394,"quality":"inauspicious"},{"name":"Udveg","start":"08:12","end":"09:35","startHours":8.205091379092394,"endHours":9.581650128955541,"quality":"inauspicious"},{"name":"Chala","start":"09:35","end":"10:57","startHours":9.581650128955541,"endHours":10.95820887881869,"quality":"neutral"},{"name":"Labha","start":"10:57","end":"12:20","startHours":10.95820887881869,"endHours":12.334767628681838,"quality":"auspicious"},{"name":"Amṛta","start":"12:20","end":"13:43","startHours":12.334767628681838,"endHours":13.711326378544985,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:05","startHours":13.711326378544985,"endHours":15.087885128408132,"quality":"inauspicious"},{"name":"Śubha","start":"15:05","end":"16:28","startHours":15.087885128408132,"endHours":16.464443878271283,"quality":"auspicious"},{"name":"Roga","start":"16:28","end":"17:50","startHours":16.464443878271283,"endHours":17.84100262813443,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:28","startHours":17.84100262813443,"endHours":19.464443878271283,"quality":"inauspicious"},{"name":"Śubha","start":"19:28","end":"21:05","startHours":19.464443878271283,"endHours":21.087885128408132,"quality":"auspicious"},{"name":"Roga","start":"21:05","end":"22:43","startHours":21.087885128408132,"endHours":22.711326378544985,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:20","startHours":22.711326378544985,"endHours":24.33476762868184,"quality":"inauspicious"},{"name":"Chala","start":"00:20","end":"01:57","startHours":24.33476762868184,"endHours":25.95820887881869,"quality":"neutral"},{"name":"Labha","start":"01:57","end":"03:35","startHours":25.95820887881869,"endHours":27.581650128955545,"quality":"auspicious"},{"name":"Amṛta","start":"03:35","end":"05:12","startHours":27.581650128955545,"endHours":29.205091379092394,"quality":"auspicious"},{"name":"Kāla","start":"05:12","end":"06:50","startHours":29.205091379092394,"endHours":30.828532629229247,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.8285326292292465,"endHours":7.8285326292292465,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.8285326292292465,"endHours":8.828532629229247,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.828532629229247,"endHours":9.828532629229247,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.828532629229247,"endHours":10.828532629229247,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.828532629229247,"endHours":11.828532629229247,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.828532629229247,"endHours":12.828532629229247,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.828532629229247,"endHours":13.828532629229247,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.828532629229247,"endHours":14.828532629229247,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.828532629229247,"endHours":15.828532629229247,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.828532629229247,"endHours":16.828532629229247,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.828532629229247,"endHours":17.828532629229247,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.828532629229247,"endHours":18.828532629229247,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.828532629229247,"endHours":19.828532629229247,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.828532629229247,"endHours":20.828532629229247,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.828532629229247,"endHours":21.828532629229247,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.828532629229247,"endHours":22.828532629229247,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.828532629229247,"endHours":23.828532629229247,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.828532629229247,"endHours":24.828532629229247,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.828532629229247,"endHours":25.828532629229247,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.828532629229247,"endHours":26.828532629229247,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.828532629229247,"endHours":27.828532629229247,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.828532629229247,"endHours":28.828532629229247,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.828532629229247,"endHours":29.828532629229247,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.828532629229247,"endHours":30.828532629229247,"planetary_lord":"Saturn"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.21982089622161,"eotMinutes":-3.5280577209103767,"ayanamsa":22.9677}},"calendars":{"vikram_samvat":1993,"vikram_samvatsara":"Virodhi","saka_samvat":1858,"saka_samvatsara":"Dhātṛ","bengali_samvat":1343,"malayalam_era":1112,"nanakshahi_year":467,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Śukla Dvitīyā · Vikram 1993 Virodhi · Śaka 1858 Dhātṛ"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 August 18, 1936 CE · Perth, Australia · Vidhyamitra","description":"August 18, 1936 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 06:50, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1936-08-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1936-08-18","sa":"https://sa.vidhyamitra.com/city/perth/1936-08-18","hi":"https://hi.vidhyamitra.com/city/perth/1936-08-18","x-default":"https://vidhyamitra.com/city/perth/1936-08-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T03:32:18.079Z","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":"2026-06-02T03:32:18.079Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T03:32:18.079Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}