{"id":"vidhyamitra:city-day:perth:1867-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1867-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1867-05-17","date_display":"May 17, 1867 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":1867,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403103.770833,"kali_year":4969,"ahargana":1814638.2708,"sun":{"sidereal_longitude":33.9157,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":197.1594,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.2437,"elapsed_within_tithi_degrees":7.2437},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.1594,"elapsed_within_degrees":10.4928},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.0752},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"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":1867,"month":5,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2403103.770833,"ahargana":1814638.2708,"kali_year":4969,"ayanamsa_lahiri":22.0003,"grahas":{"sun":{"sidereal_longitude":33.64342099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":196.493021,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":3.204},"mars":{"sidereal_longitude":110.08212100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":19.055921000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":315.22822099999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":1.4329210000000216,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":209.48232099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":151.7318,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":331.7318,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1867,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2403103.770833,"kali_year":4969,"ahargana":1814638.2708,"sun":{"sidereal_longitude":33.9157,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":197.1594,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.2437,"elapsed_within_tithi_degrees":7.2437},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.1594,"elapsed_within_degrees":10.4928},"yoga":{"number":18,"name":"Varīyān","sum_longitude":231.0752},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.204,"elongation":163.244},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.204,"opposition_distance":16.756}},"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":"06:59","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.472189853616179,"dayLengthDisplay":"10 Hours 28 Mins 20 Secs","nightLengthDisplay":"13 Hours 31 Mins 40 Secs","moonriseLocal":"16:25","moonsetLocal":"05:44","rahuKala":{"name":"Rāhu Kāla","start":"10:54","end":"12:13","startHours":10.904928275064426,"endHours":12.213952006766448,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:50","end":"16:08","startHours":14.831999470170494,"endHours":16.141023201872514,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:17","end":"09:36","startHours":8.286880811660382,"endHours":9.595904543362405,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.421368045802135,"endHours":9.770441040922673,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.414198323859034,"endHours":7.693456719955465,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86487901164591,"endHours":12.563025001886986,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:17","startHours":5.581565099476202,"endHours":6.2797110897172805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:59","startHours":6.105174592157011,"endHours":6.977857079958359,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.959316982369145,"endHours":14.657462972610224,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.250046933574538,"endHours":17.650046933574536,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.450046933574537,"endHours":17.88638817747521,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.200046933574537,"endHours":18.950046933574537,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.864879011645908,"endHours":24.563025001886988,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:59","end":"08:17","startHours":6.977857079958359,"endHours":8.286880811660382,"quality":"neutral"},{"name":"Labha","start":"08:17","end":"09:36","startHours":8.286880811660382,"endHours":9.595904543362405,"quality":"auspicious"},{"name":"Amṛta","start":"09:36","end":"10:54","startHours":9.595904543362405,"endHours":10.904928275064426,"quality":"auspicious"},{"name":"Kāla","start":"10:54","end":"12:13","startHours":10.904928275064426,"endHours":12.213952006766448,"quality":"inauspicious"},{"name":"Śubha","start":"12:13","end":"13:31","startHours":12.213952006766448,"endHours":13.522975738468471,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:50","startHours":13.522975738468471,"endHours":14.831999470170494,"quality":"inauspicious"},{"name":"Udveg","start":"14:50","end":"16:08","startHours":14.831999470170494,"endHours":16.141023201872514,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:27","startHours":16.141023201872514,"endHours":17.450046933574537,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:27","end":"19:08","startHours":17.450046933574537,"endHours":19.141023201872514,"quality":"inauspicious"},{"name":"Udveg","start":"19:08","end":"20:50","startHours":19.141023201872514,"endHours":20.831999470170494,"quality":"inauspicious"},{"name":"Chala","start":"20:50","end":"22:31","startHours":20.831999470170494,"endHours":22.52297573846847,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:13","startHours":22.52297573846847,"endHours":24.213952006766448,"quality":"auspicious"},{"name":"Amṛta","start":"00:13","end":"01:54","startHours":24.213952006766448,"endHours":25.904928275064425,"quality":"auspicious"},{"name":"Kāla","start":"01:54","end":"03:36","startHours":25.904928275064425,"endHours":27.5959045433624,"quality":"inauspicious"},{"name":"Śubha","start":"03:36","end":"05:17","startHours":27.5959045433624,"endHours":29.28688081166038,"quality":"auspicious"},{"name":"Roga","start":"05:17","end":"06:59","startHours":29.28688081166038,"endHours":30.97785707995836,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.977857079958359,"endHours":7.977857079958359,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.977857079958359,"endHours":8.977857079958358,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.977857079958358,"endHours":9.977857079958358,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.977857079958358,"endHours":10.977857079958358,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.977857079958358,"endHours":11.977857079958358,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.977857079958358,"endHours":12.977857079958358,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.977857079958358,"endHours":13.977857079958358,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.977857079958358,"endHours":14.977857079958358,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.977857079958358,"endHours":15.977857079958358,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.977857079958358,"endHours":16.97785707995836,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.97785707995836,"endHours":17.97785707995836,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.97785707995836,"endHours":18.97785707995836,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.97785707995836,"endHours":19.97785707995836,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.97785707995836,"endHours":20.97785707995836,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.97785707995836,"endHours":21.97785707995836,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.97785707995836,"endHours":22.97785707995836,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.97785707995836,"endHours":23.97785707995836,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.97785707995836,"endHours":24.97785707995836,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.97785707995836,"endHours":25.97785707995836,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.97785707995836,"endHours":26.97785707995836,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.97785707995836,"endHours":27.97785707995836,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.97785707995836,"endHours":28.97785707995836,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.97785707995836,"endHours":29.97785707995836,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.97785707995836,"endHours":30.97785707995836,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.16840265575148,"eotMinutes":3.7208795940131294,"ayanamsa":22.0003}},"calendars":{"vikram_samvat":1924,"vikram_samvatsara":"Vikrama","saka_samvat":1789,"saka_samvatsara":"Prabhava","bengali_samvat":1274,"malayalam_era":1043,"nanakshahi_year":398,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturdaśī · Vikram 1924 Vikrama · Śaka 1789 Prabhava"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated 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 May 17, 1867 CE · Perth, Australia · Vidhyamitra","description":"May 17, 1867 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 06:59, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1867-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1867-05-17","sa":"https://sa.vidhyamitra.com/city/perth/1867-05-17","hi":"https://hi.vidhyamitra.com/city/perth/1867-05-17","x-default":"https://vidhyamitra.com/city/perth/1867-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T07:34:26.680Z","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":"2026-06-03T07:34:26.680Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T07:34:26.680Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}