{"id":"vidhyamitra:city-day:perth:1847-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1847-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1847-01-12","date_display":"January 12, 1847 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":1847,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2395673.770833,"kali_year":4948,"ahargana":1807208.2708,"sun":{"sidereal_longitude":269.794,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":207.3155,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.5216,"elapsed_within_tithi_degrees":9.5216},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3155,"elapsed_within_degrees":7.3155},"yoga":{"number":9,"name":"Śūla","sum_longitude":117.1095},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1847,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2395673.770833,"ahargana":1807208.2708,"kali_year":4948,"ayanamsa_lahiri":21.7161,"grahas":{"sun":{"sidereal_longitude":269.55730199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":205.257202,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":1.6774},"mars":{"sidereal_longitude":229.78020200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":251.18180200000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":47.489502000000016,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":278.145402,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":308.72990200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":185.4089,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":5.4089,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1847,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2395673.770833,"kali_year":4948,"ahargana":1807208.2708,"sun":{"sidereal_longitude":269.794,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":207.3155,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":297.5216,"elapsed_within_tithi_degrees":9.5216},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":207.3155,"elapsed_within_degrees":7.3155},"yoga":{"number":9,"name":"Śūla","sum_longitude":117.1095},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.677,"elongation":62.478},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.677,"opposition_distance":117.522}},"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":"05:23","sunsetLocal":"19:27","solarNoonLocal":"12:25","dayLengthHours":14.067340199266221,"dayLengthDisplay":"14 Hours 04 Mins 02 Secs","nightLengthDisplay":"9 Hours 55 Mins 58 Secs","moonriseLocal":"01:21","moonsetLocal":"14:54","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:41","startHours":15.930559760422854,"endHours":17.68897728533113,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:54","end":"10:39","startHours":8.896889660789743,"endHours":10.655307185698021,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:25","end":"14:10","startHours":12.4137247106063,"endHours":14.172142235514576,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:08","startHours":8.662433990801972,"endHours":9.131345330777513,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:20","startHours":5.966193785942614,"endHours":6.341322857923046,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:53","startHours":11.944813370630756,"endHours":12.882636050581839,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:30","end":"04:27","startHours":3.504409251071025,"endHours":4.442231931022107,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:23","startHours":4.207776261034336,"endHours":5.380054610973188,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.758281410484,"endHours":15.696104090435082,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24739481023941,"endHours":19.64739481023941,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.44739481023941,"endHours":20.033533985208834,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.19739481023941,"endHours":20.94739481023941,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:53","startHours":23.944813370630754,"endHours":24.882636050581837,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:23","end":"07:08","startHours":5.380054610973188,"endHours":7.138472135881465,"quality":"inauspicious"},{"name":"Udveg","start":"07:08","end":"08:54","startHours":7.138472135881465,"endHours":8.896889660789743,"quality":"inauspicious"},{"name":"Chala","start":"08:54","end":"10:39","startHours":8.896889660789743,"endHours":10.655307185698021,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:25","startHours":10.655307185698021,"endHours":12.4137247106063,"quality":"auspicious"},{"name":"Amṛta","start":"12:25","end":"14:10","startHours":12.4137247106063,"endHours":14.172142235514576,"quality":"auspicious"},{"name":"Kāla","start":"14:10","end":"15:56","startHours":14.172142235514576,"endHours":15.930559760422854,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:41","startHours":15.930559760422854,"endHours":17.68897728533113,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:27","startHours":17.68897728533113,"endHours":19.44739481023941,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:27","end":"20:41","startHours":19.44739481023941,"endHours":20.68897728533113,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:56","startHours":20.68897728533113,"endHours":21.930559760422852,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:10","startHours":21.930559760422852,"endHours":23.172142235514578,"quality":"inauspicious"},{"name":"Udveg","start":"23:10","end":"00:25","startHours":23.172142235514578,"endHours":24.4137247106063,"quality":"inauspicious"},{"name":"Chala","start":"00:25","end":"01:39","startHours":24.4137247106063,"endHours":25.65530718569802,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"02:54","startHours":25.65530718569802,"endHours":26.896889660789743,"quality":"auspicious"},{"name":"Amṛta","start":"02:54","end":"04:08","startHours":26.896889660789743,"endHours":28.138472135881464,"quality":"auspicious"},{"name":"Kāla","start":"04:08","end":"05:23","startHours":28.138472135881464,"endHours":29.38005461097319,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.380054610973188,"endHours":6.380054610973188,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.380054610973188,"endHours":7.380054610973188,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.380054610973188,"endHours":8.380054610973188,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.380054610973188,"endHours":9.380054610973188,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.380054610973188,"endHours":10.380054610973188,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.380054610973188,"endHours":11.380054610973188,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.380054610973188,"endHours":12.380054610973188,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.380054610973188,"endHours":13.380054610973188,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.380054610973188,"endHours":14.380054610973188,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.380054610973188,"endHours":15.380054610973188,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.380054610973188,"endHours":16.38005461097319,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.38005461097319,"endHours":17.38005461097319,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.38005461097319,"endHours":18.38005461097319,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.38005461097319,"endHours":19.38005461097319,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.38005461097319,"endHours":20.38005461097319,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.38005461097319,"endHours":21.38005461097319,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.38005461097319,"endHours":22.38005461097319,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.38005461097319,"endHours":23.38005461097319,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.38005461097319,"endHours":24.38005461097319,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.38005461097319,"endHours":25.38005461097319,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.38005461097319,"endHours":26.38005461097319,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.38005461097319,"endHours":27.38005461097319,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.38005461097319,"endHours":28.38005461097319,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.38005461097319,"endHours":29.38005461097319,"planetary_lord":"Saturn"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.754530201488784,"eotMinutes":-8.265482636377905,"ayanamsa":21.7161}},"calendars":{"vikram_samvat":1904,"vikram_samvatsara":"Raudra","saka_samvat":1769,"saka_samvatsara":"Plavaṅga","bengali_samvat":1254,"malayalam_era":1023,"nanakshahi_year":378,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Daśamī · Vikram 1904 Raudra · Śaka 1769 Plavaṅga"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi_ingress":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_ingress":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 January 12, 1847 CE · Perth, Australia · Vidhyamitra","description":"January 12, 1847 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:23, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1847-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1847-01-12","sa":"https://sa.vidhyamitra.com/city/perth/1847-01-12","hi":"https://hi.vidhyamitra.com/city/perth/1847-01-12","x-default":"https://vidhyamitra.com/city/perth/1847-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T18:46:30.617Z","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":"2026-06-02T18:46:30.617Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T18:46:30.617Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}