{"id":"vidhyamitra:city-day:perth:1936-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1936-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1936-07-18","date_display":"July 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":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428367.770833,"kali_year":5038,"ahargana":1839902.2708,"sun":{"sidereal_longitude":91.9509,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":86.3568,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.4059,"elapsed_within_tithi_degrees":6.4059},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":86.3568,"elapsed_within_degrees":6.3568},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.3077},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1936,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2428367.770833,"ahargana":1839902.2708,"kali_year":5038,"ayanamsa_lahiri":22.9666,"grahas":{"sun":{"sidereal_longitude":92.25255099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":84.87445100000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-1.0291},"mars":{"sidereal_longitude":82.65945099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":85.98885100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":233.33325100000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":98.30065100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":329.893551,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":253.1235,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":73.1235,"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":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2428367.770833,"kali_year":5038,"ahargana":1839902.2708,"sun":{"sidereal_longitude":91.9509,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":86.3568,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":354.4059,"elapsed_within_tithi_degrees":6.4059},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":86.3568,"elapsed_within_degrees":6.3568},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":178.3077},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.029,"elongation":5.594},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.029,"opposition_distance":174.406}},"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":"07:14","sunsetLocal":"17:31","solarNoonLocal":"12:22","dayLengthHours":10.288572858232369,"dayLengthDisplay":"10 Hours 17 Mins 19 Secs","nightLengthDisplay":"13 Hours 42 Mins 41 Secs","moonriseLocal":"06:49","moonsetLocal":"16:57","rahuKala":{"name":"Rāhu Kāla","start":"09:48","end":"11:05","startHours":9.80142205411706,"endHours":11.087493661396106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:40","end":"14:57","startHours":13.659636875954199,"endHours":14.945708483233243,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:14","end":"08:31","startHours":7.229278839558967,"endHours":8.515350446838013,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.629945839813185,"endHours":9.972898268420932,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.6579693753186495,"endHours":7.932331318204846,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.030612840067406,"endHours":12.716517697282896,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:33","startHours":5.8574691251279845,"endHours":6.543373982343476,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.371897768039603,"endHours":7.229278839558967,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.08832741171388,"endHours":14.77423226892937,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.317851697791337,"endHours":17.717851697791335,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.517851697791336,"endHours":17.946542233551018,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.267851697791336,"endHours":19.017851697791336,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.030612840067406,"endHours":24.716517697282896,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:14","end":"08:31","startHours":7.229278839558967,"endHours":8.515350446838013,"quality":"inauspicious"},{"name":"Śubha","start":"08:31","end":"09:48","startHours":8.515350446838013,"endHours":9.80142205411706,"quality":"auspicious"},{"name":"Roga","start":"09:48","end":"11:05","startHours":9.80142205411706,"endHours":11.087493661396106,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:22","startHours":11.087493661396106,"endHours":12.37356526867515,"quality":"inauspicious"},{"name":"Chala","start":"12:22","end":"13:40","startHours":12.37356526867515,"endHours":13.659636875954199,"quality":"neutral"},{"name":"Labha","start":"13:40","end":"14:57","startHours":13.659636875954199,"endHours":14.945708483233243,"quality":"auspicious"},{"name":"Amṛta","start":"14:57","end":"16:14","startHours":14.945708483233243,"endHours":16.231780090512288,"quality":"auspicious"},{"name":"Kāla","start":"16:14","end":"17:31","startHours":16.231780090512288,"endHours":17.517851697791336,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:31","end":"19:14","startHours":17.517851697791336,"endHours":19.23178009051229,"quality":"auspicious"},{"name":"Amṛta","start":"19:14","end":"20:57","startHours":19.23178009051229,"endHours":20.945708483233243,"quality":"auspicious"},{"name":"Kāla","start":"20:57","end":"22:40","startHours":20.945708483233243,"endHours":22.6596368759542,"quality":"inauspicious"},{"name":"Śubha","start":"22:40","end":"00:22","startHours":22.6596368759542,"endHours":24.37356526867515,"quality":"auspicious"},{"name":"Roga","start":"00:22","end":"02:05","startHours":24.37356526867515,"endHours":26.087493661396106,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:48","startHours":26.087493661396106,"endHours":27.80142205411706,"quality":"inauspicious"},{"name":"Chala","start":"03:48","end":"05:31","startHours":27.80142205411706,"endHours":29.515350446838013,"quality":"neutral"},{"name":"Labha","start":"05:31","end":"07:14","startHours":29.515350446838013,"endHours":31.229278839558965,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.229278839558967,"endHours":8.229278839558967,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.229278839558967,"endHours":9.229278839558967,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.229278839558967,"endHours":10.229278839558967,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.229278839558967,"endHours":11.229278839558967,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.229278839558967,"endHours":12.229278839558967,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.229278839558967,"endHours":13.229278839558967,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.229278839558967,"endHours":14.229278839558967,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.229278839558967,"endHours":15.229278839558967,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.229278839558967,"endHours":16.229278839558965,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.229278839558965,"endHours":17.229278839558965,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.229278839558965,"endHours":18.229278839558965,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.229278839558965,"endHours":19.229278839558965,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.229278839558965,"endHours":20.229278839558965,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.229278839558965,"endHours":21.229278839558965,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.229278839558965,"endHours":22.229278839558965,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.229278839558965,"endHours":23.229278839558965,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.229278839558965,"endHours":24.229278839558965,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.229278839558965,"endHours":25.229278839558965,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.229278839558965,"endHours":26.229278839558965,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.229278839558965,"endHours":27.229278839558965,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.229278839558965,"endHours":28.229278839558965,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.229278839558965,"endHours":29.229278839558965,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.229278839558965,"endHours":30.229278839558965,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.229278839558965,"endHours":31.229278839558965,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.089293503199972,"eotMinutes":-5.85591612050904,"ayanamsa":22.9666}},"calendars":{"vikram_samvat":1993,"vikram_samvatsara":"Virodhi","saka_samvat":1858,"saka_samvatsara":"Dhātṛ","bengali_samvat":1343,"malayalam_era":1112,"nanakshahi_year":467,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Amāvasyā · Vikram 1993 Virodhi · Śaka 1858 Dhātṛ"},"festivals":[],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","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 July 18, 1936 CE · Perth, Australia · Vidhyamitra","description":"July 18, 1936 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 07:14, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1936-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1936-07-18","sa":"https://sa.vidhyamitra.com/city/perth/1936-07-18","hi":"https://hi.vidhyamitra.com/city/perth/1936-07-18","x-default":"https://vidhyamitra.com/city/perth/1936-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:29:46.389Z","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":"2026-06-01T14:29:46.389Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:29:46.389Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}