{"id":"vidhyamitra:city-day:perth:1872-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1872-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1872-10-04","date_display":"October 4, 1872 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":1872,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405070.770833,"kali_year":4974,"ahargana":1816605.2708,"sun":{"sidereal_longitude":168.6082,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":185.0214,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.4132,"elapsed_within_tithi_degrees":4.4132},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.0214,"elapsed_within_degrees":11.688},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.6296},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1872,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2405070.770833,"ahargana":1816605.2708,"kali_year":4974,"ayanamsa_lahiri":22.0755,"grahas":{"sun":{"sidereal_longitude":169.04486799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":185.63136800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":3.0378},"mars":{"sidereal_longitude":128.749568,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":163.77996800000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":122.99436800000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":192.25646800000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":263.873968,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":47.5106,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":227.5106,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1872,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2405070.770833,"kali_year":4974,"ahargana":1816605.2708,"sun":{"sidereal_longitude":168.6082,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":185.0214,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":16.4132,"elapsed_within_tithi_degrees":4.4132},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.0214,"elapsed_within_degrees":11.688},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":353.6296},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.038,"elongation":16.413},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.038,"opposition_distance":163.587}},"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":"05:50","sunsetLocal":"18:19","solarNoonLocal":"12:04","dayLengthHours":12.498199976732224,"dayLengthDisplay":"12 Hours 29 Mins 54 Secs","nightLengthDisplay":"11 Hours 30 Mins 06 Secs","moonriseLocal":"06:41","moonsetLocal":"19:41","rahuKala":{"name":"Rāhu Kāla","start":"10:31","end":"12:04","startHours":10.512073949780302,"endHours":12.07434894687183,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:12","end":"16:46","startHours":15.198898941054885,"endHours":16.761173938146413,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:23","end":"08:57","startHours":7.387523955597245,"endHours":8.949798952688774,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:09","startHours":8.741495619743237,"endHours":9.15810228563431,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.34600729086956,"endHours":6.679292623582419,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:29","startHours":11.657742280980756,"endHours":12.490955612762903,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:00","startHours":4.15882229494142,"endHours":4.992035626723569,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:50","startHours":4.783732293778032,"endHours":5.825248958505717,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.157382276327201,"endHours":14.99059560810935,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.123448935237942,"endHours":18.52344893523794,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:51","startHours":18.32344893523794,"endHours":18.844207267601785,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.07344893523794,"endHours":19.82344893523794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:29","startHours":23.657742280980756,"endHours":24.490955612762903,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:50","end":"07:23","startHours":5.825248958505717,"endHours":7.387523955597245,"quality":"neutral"},{"name":"Labha","start":"07:23","end":"08:57","startHours":7.387523955597245,"endHours":8.949798952688774,"quality":"auspicious"},{"name":"Amṛta","start":"08:57","end":"10:31","startHours":8.949798952688774,"endHours":10.512073949780302,"quality":"auspicious"},{"name":"Kāla","start":"10:31","end":"12:04","startHours":10.512073949780302,"endHours":12.07434894687183,"quality":"inauspicious"},{"name":"Śubha","start":"12:04","end":"13:38","startHours":12.07434894687183,"endHours":13.636623943963357,"quality":"auspicious"},{"name":"Roga","start":"13:38","end":"15:12","startHours":13.636623943963357,"endHours":15.198898941054885,"quality":"inauspicious"},{"name":"Udveg","start":"15:12","end":"16:46","startHours":15.198898941054885,"endHours":16.761173938146413,"quality":"inauspicious"},{"name":"Chala","start":"16:46","end":"18:19","startHours":16.761173938146413,"endHours":18.32344893523794,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:19","end":"19:46","startHours":18.32344893523794,"endHours":19.761173938146413,"quality":"inauspicious"},{"name":"Udveg","start":"19:46","end":"21:12","startHours":19.761173938146413,"endHours":21.198898941054885,"quality":"inauspicious"},{"name":"Chala","start":"21:12","end":"22:38","startHours":21.198898941054885,"endHours":22.636623943963357,"quality":"neutral"},{"name":"Labha","start":"22:38","end":"00:04","startHours":22.636623943963357,"endHours":24.07434894687183,"quality":"auspicious"},{"name":"Amṛta","start":"00:04","end":"01:31","startHours":24.07434894687183,"endHours":25.5120739497803,"quality":"auspicious"},{"name":"Kāla","start":"01:31","end":"02:57","startHours":25.5120739497803,"endHours":26.949798952688774,"quality":"inauspicious"},{"name":"Śubha","start":"02:57","end":"04:23","startHours":26.949798952688774,"endHours":28.387523955597246,"quality":"auspicious"},{"name":"Roga","start":"04:23","end":"05:50","startHours":28.387523955597246,"endHours":29.825248958505718,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.825248958505717,"endHours":6.825248958505717,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.825248958505717,"endHours":7.825248958505717,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.825248958505717,"endHours":8.825248958505718,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.825248958505718,"endHours":9.825248958505718,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.825248958505718,"endHours":10.825248958505718,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.825248958505718,"endHours":11.825248958505718,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.825248958505718,"endHours":12.825248958505718,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.825248958505718,"endHours":13.825248958505718,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.825248958505718,"endHours":14.825248958505718,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.825248958505718,"endHours":15.825248958505718,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.825248958505718,"endHours":16.825248958505718,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.825248958505718,"endHours":17.825248958505718,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.825248958505718,"endHours":18.825248958505718,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.825248958505718,"endHours":19.825248958505718,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.825248958505718,"endHours":20.825248958505718,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.825248958505718,"endHours":21.825248958505718,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.825248958505718,"endHours":22.825248958505718,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.825248958505718,"endHours":23.825248958505718,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.825248958505718,"endHours":24.825248958505718,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.825248958505718,"endHours":25.825248958505718,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.825248958505718,"endHours":26.825248958505718,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.825248958505718,"endHours":27.825248958505718,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.825248958505718,"endHours":28.825248958505718,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.825248958505718,"endHours":29.825248958505718,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.399537231548036,"eotMinutes":12.09706318769023,"ayanamsa":22.0755}},"calendars":{"vikram_samvat":1929,"vikram_samvatsara":"Pārthiva","saka_samvat":1794,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1279,"malayalam_era":1048,"nanakshahi_year":403,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvitīyā · Vikram 1929 Pārthiva · Śaka 1794 Aṅgirasa"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 October 4, 1872 CE · Perth, Australia · Vidhyamitra","description":"October 4, 1872 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 05:50, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1872-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1872-10-04","sa":"https://sa.vidhyamitra.com/city/perth/1872-10-04","hi":"https://hi.vidhyamitra.com/city/perth/1872-10-04","x-default":"https://vidhyamitra.com/city/perth/1872-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:42:36.866Z","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":"2026-06-02T15:42:36.866Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:42:36.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}