{"id":"vidhyamitra:city-day:perth:1871-06-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1871-06-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1871-06-04","date_display":"June 4, 1871 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":1871,"month":6,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404582.770833,"kali_year":4973,"ahargana":1816117.2708,"sun":{"sidereal_longitude":51.0406,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":241.3231,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2825,"elapsed_within_tithi_degrees":10.2825},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.3231,"elapsed_within_degrees":1.3231},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.3637},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1871,"month":6,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404582.770833,"ahargana":1816117.2708,"kali_year":4973,"ayanamsa_lahiri":22.0569,"grahas":{"sun":{"sidereal_longitude":50.89341300000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":241.92631300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":0.9381},"mars":{"sidereal_longitude":155.09211299999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":30.70311300000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":71.78831300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":93.438513,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":257.37461299999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":73.3672,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":253.3672,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva 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":1871,"month":6,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404582.770833,"kali_year":4973,"ahargana":1816117.2708,"sun":{"sidereal_longitude":51.0406,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":241.3231,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.2825,"elapsed_within_tithi_degrees":10.2825},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.3231,"elapsed_within_degrees":1.3231},"yoga":{"number":22,"name":"Sādhya","sum_longitude":292.3637},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.938,"elongation":169.718},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.938,"opposition_distance":10.282}},"eclipse_window_40days":[{"offset_days":14,"type":"solar","occurs":true,"moon_latitude":-0.648,"elongation":0.01}]},"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":"07:10","sunsetLocal":"17:20","solarNoonLocal":"12:15","dayLengthHours":10.165082903026395,"dayLengthDisplay":"10 Hours 09 Mins 54 Secs","nightLengthDisplay":"13 Hours 50 Mins 06 Secs","moonriseLocal":"17:53","moonsetLocal":"08:04","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:20","startHours":16.056447534421874,"endHours":17.327082897300173,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:15","end":"13:31","startHours":12.244541445786975,"endHours":13.515176808665274,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:47","end":"16:03","startHours":14.785812171543574,"endHours":16.056447534421874,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:52","startHours":9.533852671646603,"endHours":9.87268876841415,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:35","end":"07:51","startHours":7.585545115233211,"endHours":7.856613992647248,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:35","startHours":11.90570534901943,"endHours":12.583377542554521,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:48","end":"06:29","startHours":5.8066556072035915,"endHours":6.484327800738685,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:10","startHours":6.314909752354912,"endHours":7.161999994273778,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.938721929624709,"endHours":14.616394123159802,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.127082897300173,"endHours":17.527082897300172,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:45","startHours":17.327082897300173,"endHours":17.750628018259604,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.077082897300173,"endHours":18.827082897300173,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:35","startHours":23.905705349019428,"endHours":24.583377542554523,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:10","end":"08:26","startHours":7.161999994273778,"endHours":8.432635357152076,"quality":"inauspicious"},{"name":"Chala","start":"08:26","end":"09:42","startHours":8.432635357152076,"endHours":9.703270720030376,"quality":"neutral"},{"name":"Labha","start":"09:42","end":"10:58","startHours":9.703270720030376,"endHours":10.973906082908677,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:15","startHours":10.973906082908677,"endHours":12.244541445786975,"quality":"auspicious"},{"name":"Kāla","start":"12:15","end":"13:31","startHours":12.244541445786975,"endHours":13.515176808665274,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:47","startHours":13.515176808665274,"endHours":14.785812171543574,"quality":"auspicious"},{"name":"Roga","start":"14:47","end":"16:03","startHours":14.785812171543574,"endHours":16.056447534421874,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:20","startHours":16.056447534421874,"endHours":17.327082897300173,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:20","end":"19:03","startHours":17.327082897300173,"endHours":19.056447534421874,"quality":"auspicious"},{"name":"Roga","start":"19:03","end":"20:47","startHours":19.056447534421874,"endHours":20.785812171543576,"quality":"inauspicious"},{"name":"Udveg","start":"20:47","end":"22:31","startHours":20.785812171543576,"endHours":22.515176808665274,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:15","startHours":22.515176808665274,"endHours":24.244541445786975,"quality":"neutral"},{"name":"Labha","start":"00:15","end":"01:58","startHours":24.244541445786975,"endHours":25.973906082908677,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:42","startHours":25.973906082908677,"endHours":27.703270720030375,"quality":"auspicious"},{"name":"Kāla","start":"03:42","end":"05:26","startHours":27.703270720030375,"endHours":29.432635357152076,"quality":"inauspicious"},{"name":"Śubha","start":"05:26","end":"07:10","startHours":29.432635357152076,"endHours":31.161999994273778,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.161999994273778,"endHours":8.161999994273778,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.161999994273778,"endHours":9.161999994273778,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.161999994273778,"endHours":10.161999994273778,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.161999994273778,"endHours":11.161999994273778,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.161999994273778,"endHours":12.161999994273778,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.161999994273778,"endHours":13.161999994273778,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.161999994273778,"endHours":14.161999994273778,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.161999994273778,"endHours":15.161999994273778,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.161999994273778,"endHours":16.161999994273778,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.161999994273778,"endHours":17.161999994273778,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.161999994273778,"endHours":18.161999994273778,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.161999994273778,"endHours":19.161999994273778,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.161999994273778,"endHours":20.161999994273778,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.161999994273778,"endHours":21.161999994273778,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.161999994273778,"endHours":22.161999994273778,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.161999994273778,"endHours":23.161999994273778,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.161999994273778,"endHours":24.161999994273778,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.161999994273778,"endHours":25.161999994273778,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.161999994273778,"endHours":26.161999994273778,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.161999994273778,"endHours":27.161999994273778,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.161999994273778,"endHours":28.161999994273778,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.161999994273778,"endHours":29.161999994273778,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.161999994273778,"endHours":30.161999994273778,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.161999994273778,"endHours":31.161999994273778,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.34932136281279,"eotMinutes":1.88551325278147,"ayanamsa":22.0569}},"calendars":{"vikram_samvat":1928,"vikram_samvatsara":"Tāraṇa","saka_samvat":1793,"saka_samvatsara":"Prajāpati","bengali_samvat":1278,"malayalam_era":1047,"nanakshahi_year":402,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Kṛṣṇa Pratipada · Vikram 1928 Tāraṇa · Śaka 1793 Prajāpati"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 June 4, 1871 CE · Perth, Australia · Vidhyamitra","description":"June 4, 1871 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 07:10, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1871-06-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1871-06-04","sa":"https://sa.vidhyamitra.com/city/perth/1871-06-04","hi":"https://hi.vidhyamitra.com/city/perth/1871-06-04","x-default":"https://vidhyamitra.com/city/perth/1871-06-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:24:15.101Z","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":"2026-06-01T12:24:15.101Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:24:15.101Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}