{"id":"vidhyamitra:city-day:perth:1868-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1868-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1868-10-04","date_display":"October 4, 1868 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":1868,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403609.770833,"kali_year":4970,"ahargana":1815144.2708,"sun":{"sidereal_longitude":168.6428,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":15.2284,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.5856,"elapsed_within_tithi_degrees":2.5856},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.2284,"elapsed_within_degrees":1.8951},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.8712},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":1868,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2403609.770833,"ahargana":1815144.2708,"kali_year":4970,"ayanamsa_lahiri":22.0197,"grahas":{"sun":{"sidereal_longitude":169.06968900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":14.544389000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.2363},"mars":{"sidereal_longitude":100.90538900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":194.11868900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":348.946289,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":124.94038899999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":220.98048900000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":124.9214,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":304.9214,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"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":1868,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403609.770833,"kali_year":4970,"ahargana":1815144.2708,"sun":{"sidereal_longitude":168.6428,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":15.2284,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.5856,"elapsed_within_tithi_degrees":2.5856},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":15.2284,"elapsed_within_degrees":1.8951},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.8712},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.236,"elongation":153.414},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.236,"opposition_distance":26.586}},"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":12.4971813574073,"dayLengthDisplay":"12 Hours 29 Mins 50 Secs","nightLengthDisplay":"11 Hours 30 Mins 10 Secs","moonriseLocal":"20:18","moonsetLocal":"07:14","rahuKala":{"name":"Rāhu Kāla","start":"16:46","end":"18:19","startHours":16.760791955899567,"endHours":18.32293962557548,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:04","end":"13:38","startHours":12.07434894687183,"endHours":13.636496616547742,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:46","startHours":15.198644286223654,"endHours":16.760791955899567,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:10","startHours":8.741767251563218,"endHours":9.158339963476793,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.346474158060151,"endHours":6.6797323275910125,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:29","startHours":11.657776234958252,"endHours":12.490921658785407,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:00","startHours":4.159467420513874,"endHours":4.992612844341028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:50","startHours":4.784326488384239,"endHours":5.8257582681681805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.157212506439713,"endHours":14.990357930266866,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.12293962557548,"endHours":18.52293962557548,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:51","startHours":18.32293962557548,"endHours":18.84365551546745,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.07293962557548,"endHours":19.82293962557548,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:29","startHours":23.657776234958252,"endHours":24.490921658785407,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:50","end":"07:23","startHours":5.8257582681681805,"endHours":7.387905937844093,"quality":"inauspicious"},{"name":"Chala","start":"07:23","end":"08:57","startHours":7.387905937844093,"endHours":8.950053607520005,"quality":"neutral"},{"name":"Labha","start":"08:57","end":"10:31","startHours":8.950053607520005,"endHours":10.512201277195917,"quality":"auspicious"},{"name":"Amṛta","start":"10:31","end":"12:04","startHours":10.512201277195917,"endHours":12.07434894687183,"quality":"auspicious"},{"name":"Kāla","start":"12:04","end":"13:38","startHours":12.07434894687183,"endHours":13.636496616547742,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:12","startHours":13.636496616547742,"endHours":15.198644286223654,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:46","startHours":15.198644286223654,"endHours":16.760791955899567,"quality":"inauspicious"},{"name":"Udveg","start":"16:46","end":"18:19","startHours":16.760791955899567,"endHours":18.32293962557548,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:19","end":"19:46","startHours":18.32293962557548,"endHours":19.760791955899567,"quality":"auspicious"},{"name":"Roga","start":"19:46","end":"21:12","startHours":19.760791955899567,"endHours":21.198644286223654,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:38","startHours":21.198644286223654,"endHours":22.636496616547742,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:04","startHours":22.636496616547742,"endHours":24.07434894687183,"quality":"neutral"},{"name":"Labha","start":"00:04","end":"01:31","startHours":24.07434894687183,"endHours":25.512201277195917,"quality":"auspicious"},{"name":"Amṛta","start":"01:31","end":"02:57","startHours":25.512201277195917,"endHours":26.950053607520005,"quality":"auspicious"},{"name":"Kāla","start":"02:57","end":"04:23","startHours":26.950053607520005,"endHours":28.387905937844092,"quality":"inauspicious"},{"name":"Śubha","start":"04:23","end":"05:50","startHours":28.387905937844092,"endHours":29.82575826816818,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.8257582681681805,"endHours":6.8257582681681805,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.8257582681681805,"endHours":7.8257582681681805,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.8257582681681805,"endHours":8.82575826816818,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.82575826816818,"endHours":9.82575826816818,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.82575826816818,"endHours":10.82575826816818,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.82575826816818,"endHours":11.82575826816818,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.82575826816818,"endHours":12.82575826816818,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.82575826816818,"endHours":13.82575826816818,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.82575826816818,"endHours":14.82575826816818,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.82575826816818,"endHours":15.82575826816818,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.82575826816818,"endHours":16.82575826816818,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.82575826816818,"endHours":17.82575826816818,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.82575826816818,"endHours":18.82575826816818,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.82575826816818,"endHours":19.82575826816818,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.82575826816818,"endHours":20.82575826816818,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.82575826816818,"endHours":21.82575826816818,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.82575826816818,"endHours":22.82575826816818,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.82575826816818,"endHours":23.82575826816818,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.82575826816818,"endHours":24.82575826816818,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.82575826816818,"endHours":25.82575826816818,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.82575826816818,"endHours":26.82575826816818,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.82575826816818,"endHours":27.82575826816818,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.82575826816818,"endHours":28.82575826816818,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.82575826816818,"endHours":29.82575826816818,"planetary_lord":"Jupiter"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","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":-4.387410946203018,"eotMinutes":12.09706318769023,"ayanamsa":22.0197}},"calendars":{"vikram_samvat":1925,"vikram_samvatsara":"Vṛṣa","saka_samvat":1790,"saka_samvatsara":"Vibhava","bengali_samvat":1275,"malayalam_era":1044,"nanakshahi_year":399,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","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":"Kārtika Kṛṣṇa Tṛtīyā · Vikram 1925 Vṛṣa · Śaka 1790 Vibhava"},"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 October 4, 1868 CE · Perth, Australia · Vidhyamitra","description":"October 4, 1868 CE for Perth, Australia: Kṛṣṇa Tṛtīyā, sūryodaya 05:50, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1868-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1868-10-04","sa":"https://sa.vidhyamitra.com/city/perth/1868-10-04","hi":"https://hi.vidhyamitra.com/city/perth/1868-10-04","x-default":"https://vidhyamitra.com/city/perth/1868-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:29:46.143Z","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":"2026-06-03T03:29:46.143Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:29:46.143Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}