{"id":"vidhyamitra:city-day:perth:1870-08-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1870-08-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1870-08-04","date_display":"August 4, 1870 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":1870,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404278.770833,"kali_year":4972,"ahargana":1815813.2708,"sun":{"sidereal_longitude":109.1199,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":194.4425,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.3227,"elapsed_within_tithi_degrees":1.3227},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.4425,"elapsed_within_degrees":7.7759},"yoga":{"number":23,"name":"Śubha","sum_longitude":303.5624},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1870,"month":8,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404278.770833,"ahargana":1815813.2708,"kali_year":4972,"ayanamsa_lahiri":22.0452,"grahas":{"sun":{"sidereal_longitude":109.37192800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":195.086228,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":4.347},"mars":{"sidereal_longitude":76.727328,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":119.507228,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":58.69182799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":79.578528,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":241.36772800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":89.4746,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":269.4746,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1870,"month":8,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404278.770833,"kali_year":4972,"ahargana":1815813.2708,"sun":{"sidereal_longitude":109.1199,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":194.4425,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":85.3227,"elapsed_within_tithi_degrees":1.3227},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":194.4425,"elapsed_within_degrees":7.7759},"yoga":{"number":23,"name":"Śubha","sum_longitude":303.5624},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.347,"elongation":85.323},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.347,"opposition_distance":94.677}},"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":"07:03","sunsetLocal":"17:42","solarNoonLocal":"12:22","dayLengthHours":10.641135803338052,"dayLengthDisplay":"10 Hours 38 Mins 28 Secs","nightLengthDisplay":"13 Hours 21 Mins 32 Secs","moonriseLocal":"11:27","moonsetLocal":"00:44","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"15:02","startHours":13.702673066484554,"endHours":15.032815041901811,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:03","end":"08:23","startHours":7.051963189398272,"endHours":8.382105164815528,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:43","end":"11:03","startHours":9.712247140232785,"endHours":11.042389115650042,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.534894876843818,"endHours":9.889599403621752,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.495343847870691,"endHours":7.779107469293039,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.017826564289363,"endHours":12.727235617845233,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:21","startHours":5.633145082286532,"endHours":6.342554135842402,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:10","end":"07:03","startHours":6.1652018724534345,"endHours":7.051963189398272,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:51","startHours":14.146053724956973,"endHours":14.855462778512843,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.493098992736325,"endHours":17.893098992736324,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:08","startHours":17.693098992736324,"endHours":18.13647965120874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.443098992736324,"endHours":19.193098992736324,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.01782656428936,"endHours":24.727235617845235,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:03","end":"08:23","startHours":7.051963189398272,"endHours":8.382105164815528,"quality":"auspicious"},{"name":"Roga","start":"08:23","end":"09:43","startHours":8.382105164815528,"endHours":9.712247140232785,"quality":"inauspicious"},{"name":"Udveg","start":"09:43","end":"11:03","startHours":9.712247140232785,"endHours":11.042389115650042,"quality":"inauspicious"},{"name":"Chala","start":"11:03","end":"12:22","startHours":11.042389115650042,"endHours":12.372531091067298,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:42","startHours":12.372531091067298,"endHours":13.702673066484554,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"15:02","startHours":13.702673066484554,"endHours":15.032815041901811,"quality":"auspicious"},{"name":"Kāla","start":"15:02","end":"16:22","startHours":15.032815041901811,"endHours":16.36295701731907,"quality":"inauspicious"},{"name":"Śubha","start":"16:22","end":"17:42","startHours":16.36295701731907,"endHours":17.693098992736324,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:42","end":"19:22","startHours":17.693098992736324,"endHours":19.36295701731907,"quality":"auspicious"},{"name":"Kāla","start":"19:22","end":"21:02","startHours":19.36295701731907,"endHours":21.032815041901813,"quality":"inauspicious"},{"name":"Śubha","start":"21:02","end":"22:42","startHours":21.032815041901813,"endHours":22.702673066484554,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:22","startHours":22.702673066484554,"endHours":24.372531091067298,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:03","startHours":24.372531091067298,"endHours":26.042389115650042,"quality":"inauspicious"},{"name":"Chala","start":"02:03","end":"03:43","startHours":26.042389115650042,"endHours":27.712247140232783,"quality":"neutral"},{"name":"Labha","start":"03:43","end":"05:23","startHours":27.712247140232783,"endHours":29.382105164815528,"quality":"auspicious"},{"name":"Amṛta","start":"05:23","end":"07:03","startHours":29.382105164815528,"endHours":31.051963189398272,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.051963189398272,"endHours":8.051963189398272,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.051963189398272,"endHours":9.051963189398272,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.051963189398272,"endHours":10.051963189398272,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.051963189398272,"endHours":11.051963189398272,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.051963189398272,"endHours":12.051963189398272,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.051963189398272,"endHours":13.051963189398272,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.051963189398272,"endHours":14.051963189398272,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.051963189398272,"endHours":15.051963189398272,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.051963189398272,"endHours":16.051963189398272,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.051963189398272,"endHours":17.051963189398272,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.051963189398272,"endHours":18.051963189398272,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.051963189398272,"endHours":19.051963189398272,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.051963189398272,"endHours":20.051963189398272,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.051963189398272,"endHours":21.051963189398272,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.051963189398272,"endHours":22.051963189398272,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.051963189398272,"endHours":23.051963189398272,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.051963189398272,"endHours":24.051963189398272,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.051963189398272,"endHours":25.051963189398272,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.051963189398272,"endHours":26.051963189398272,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.051963189398272,"endHours":27.051963189398272,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.051963189398272,"endHours":28.051963189398272,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.051963189398272,"endHours":29.051963189398272,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.051963189398272,"endHours":30.051963189398272,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.051963189398272,"endHours":31.051963189398272,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.353417550769432,"eotMinutes":-5.793865464037833,"ayanamsa":22.0452}},"calendars":{"vikram_samvat":1927,"vikram_samvatsara":"Subhānu","saka_samvat":1792,"saka_samvatsara":"Pramoda","bengali_samvat":1277,"malayalam_era":1046,"nanakshahi_year":401,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Śrāvaṇa","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 Śukla Aṣṭamī · Vikram 1927 Subhānu · Śaka 1792 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 August 4, 1870 CE · Perth, Australia · Vidhyamitra","description":"August 4, 1870 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 07:03, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1870-08-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1870-08-04","sa":"https://sa.vidhyamitra.com/city/perth/1870-08-04","hi":"https://hi.vidhyamitra.com/city/perth/1870-08-04","x-default":"https://vidhyamitra.com/city/perth/1870-08-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:07:11.814Z","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":"2026-06-02T15:07:11.814Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:07:11.814Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}