{"id":"vidhyamitra:city-day:perth:1887-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1887-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1887-01-11","date_display":"January 11, 1887 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":1887,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410282.770833,"kali_year":4988,"ahargana":1821817.2708,"sun":{"sidereal_longitude":268.407,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":101.2209,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.8138,"elapsed_within_tithi_degrees":0.8138},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.2209,"elapsed_within_degrees":7.8875},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.6279},"karana":{"half_tithi_index":32,"name":"Taitila"},"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":1887,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2410282.770833,"ahargana":1821817.2708,"kali_year":4988,"ayanamsa_lahiri":22.2749,"grahas":{"sun":{"sidereal_longitude":268.274731,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":103.13533100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false,"latitude":-2.2573},"mars":{"sidereal_longitude":293.253831,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":253.855731,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":193.16043100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":279.158631,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":87.56103100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":131.3538,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.3538,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1887,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410282.770833,"kali_year":4988,"ahargana":1821817.2708,"sun":{"sidereal_longitude":268.407,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":101.2209,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":192.8138,"elapsed_within_tithi_degrees":0.8138},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":101.2209,"elapsed_within_degrees":7.8875},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.6279},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.257,"elongation":167.186},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.257,"opposition_distance":12.814}},"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":"05:22","sunsetLocal":"19:27","solarNoonLocal":"12:24","dayLengthHours":14.07853516944082,"dayLengthDisplay":"14 Hours 04 Mins 43 Secs","nightLengthDisplay":"9 Hours 55 Mins 17 Secs","moonriseLocal":"20:10","moonsetLocal":"06:37","rahuKala":{"name":"Rāhu Kāla","start":"15:56","end":"17:41","startHours":15.927042162942978,"endHours":17.686859059123083,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:53","end":"10:39","startHours":8.887774578222569,"endHours":10.647591474402672,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.167225266762877,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.653132325398555,"endHours":9.122416831046584,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:20","startHours":5.954746417922399,"endHours":6.330174022440821,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:53","startHours":11.938123864934749,"endHours":12.876692876230802,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:26","startHours":3.491002763270256,"endHours":4.42957177456631,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:12","end":"05:22","startHours":4.194929521742297,"endHours":5.368140785862365,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.753830898822912,"endHours":15.692399910118967,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.246675955303186,"endHours":19.646675955303184,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.446675955303185,"endHours":20.03328158736322,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.196675955303185,"endHours":20.946675955303185,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:53","startHours":23.93812386493475,"endHours":24.876692876230802,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:22","end":"07:08","startHours":5.368140785862365,"endHours":7.127957682042467,"quality":"inauspicious"},{"name":"Udveg","start":"07:08","end":"08:53","startHours":7.127957682042467,"endHours":8.887774578222569,"quality":"inauspicious"},{"name":"Chala","start":"08:53","end":"10:39","startHours":8.887774578222569,"endHours":10.647591474402672,"quality":"neutral"},{"name":"Labha","start":"10:39","end":"12:24","startHours":10.647591474402672,"endHours":12.407408370582775,"quality":"auspicious"},{"name":"Amṛta","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.167225266762877,"quality":"auspicious"},{"name":"Kāla","start":"14:10","end":"15:56","startHours":14.167225266762877,"endHours":15.927042162942978,"quality":"inauspicious"},{"name":"Śubha","start":"15:56","end":"17:41","startHours":15.927042162942978,"endHours":17.686859059123083,"quality":"auspicious"},{"name":"Roga","start":"17:41","end":"19:27","startHours":17.686859059123083,"endHours":19.446675955303185,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:27","end":"20:41","startHours":19.446675955303185,"endHours":20.686859059123083,"quality":"inauspicious"},{"name":"Śubha","start":"20:41","end":"21:56","startHours":20.686859059123083,"endHours":21.927042162942982,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:10","startHours":21.927042162942982,"endHours":23.167225266762877,"quality":"inauspicious"},{"name":"Udveg","start":"23:10","end":"00:24","startHours":23.167225266762877,"endHours":24.407408370582775,"quality":"inauspicious"},{"name":"Chala","start":"00:24","end":"01:39","startHours":24.407408370582775,"endHours":25.647591474402674,"quality":"neutral"},{"name":"Labha","start":"01:39","end":"02:53","startHours":25.647591474402674,"endHours":26.88777457822257,"quality":"auspicious"},{"name":"Amṛta","start":"02:53","end":"04:08","startHours":26.88777457822257,"endHours":28.127957682042467,"quality":"auspicious"},{"name":"Kāla","start":"04:08","end":"05:22","startHours":28.127957682042467,"endHours":29.368140785862366,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.368140785862365,"endHours":6.368140785862365,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.368140785862365,"endHours":7.368140785862365,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.368140785862365,"endHours":8.368140785862366,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.368140785862366,"endHours":9.368140785862366,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.368140785862366,"endHours":10.368140785862366,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.368140785862366,"endHours":11.368140785862366,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.368140785862366,"endHours":12.368140785862366,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.368140785862366,"endHours":13.368140785862366,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.368140785862366,"endHours":14.368140785862366,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.368140785862366,"endHours":15.368140785862366,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.368140785862366,"endHours":16.368140785862366,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.368140785862366,"endHours":17.368140785862366,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.368140785862366,"endHours":18.368140785862366,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.368140785862366,"endHours":19.368140785862366,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.368140785862366,"endHours":20.368140785862366,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.368140785862366,"endHours":21.368140785862366,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.368140785862366,"endHours":22.368140785862366,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.368140785862366,"endHours":23.368140785862366,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.368140785862366,"endHours":24.368140785862366,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.368140785862366,"endHours":25.368140785862366,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.368140785862366,"endHours":26.368140785862366,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.368140785862366,"endHours":27.368140785862366,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.368140785862366,"endHours":28.368140785862366,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.368140785862366,"endHours":29.368140785862366,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-21.865198168610313,"eotMinutes":-7.886502234966622,"ayanamsa":22.2749}},"calendars":{"vikram_samvat":1944,"vikram_samvatsara":"Śārvarī","saka_samvat":1809,"saka_samvatsara":"Sarvajit","bengali_samvat":1294,"malayalam_era":1063,"nanakshahi_year":418,"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 Dvitīyā · Vikram 1944 Śārvarī · Śaka 1809 Sarvajit"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"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":[]},"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 11, 1887 CE · Perth, Australia · Vidhyamitra","description":"January 11, 1887 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 05:22, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1887-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1887-01-11","sa":"https://sa.vidhyamitra.com/city/perth/1887-01-11","hi":"https://hi.vidhyamitra.com/city/perth/1887-01-11","x-default":"https://vidhyamitra.com/city/perth/1887-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:17:57.321Z","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":"2026-06-01T07:17:57.321Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:17:57.321Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}