{"id":"vidhyamitra:city-day:perth:2117-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2117-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2117-05-15","date_display":"May 15, 2117 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":2117,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494412.770833,"kali_year":5219,"ahargana":1905947.2708,"sun":{"sidereal_longitude":28.4656,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":196.4055,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":167.9399,"elapsed_within_tithi_degrees":11.9399},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.4055,"elapsed_within_degrees":9.7389},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":224.8711},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2117,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2494412.770833,"ahargana":1905947.2708,"kali_year":5219,"ayanamsa_lahiri":25.4925,"grahas":{"sun":{"sidereal_longitude":28.74764600000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":195.00524599999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-1.7325},"mars":{"sidereal_longitude":85.572946,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":8.413845999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":337.603446,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":46.956345999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":16.639845999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":353.7415,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":173.7415,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2117,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494412.770833,"kali_year":5219,"ahargana":1905947.2708,"sun":{"sidereal_longitude":28.4656,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":196.4055,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":167.9399,"elapsed_within_tithi_degrees":11.9399},"nakshatra":{"number":15,"name":"Svātī","pada":3,"moon_longitude":196.4055,"elapsed_within_degrees":9.7389},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":224.8711},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.732,"elongation":167.94},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.732,"opposition_distance":12.06}},"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":"06:58","sunsetLocal":"17:28","solarNoonLocal":"12:13","dayLengthHours":10.504073665351036,"dayLengthDisplay":"10 Hours 30 Mins 15 Secs","nightLengthDisplay":"13 Hours 29 Mins 45 Secs","moonriseLocal":"16:37","moonsetLocal":"05:59","rahuKala":{"name":"Rāhu Kāla","start":"09:35","end":"10:54","startHours":9.587344901396808,"endHours":10.900354109565686,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"14:50","startHours":13.526372525903446,"endHours":14.839381734072326,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:58","end":"08:16","startHours":6.961326485059048,"endHours":8.274335693227927,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.41227700697429,"endHours":9.762412795819325,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.398996221115341,"endHours":7.679104852191368,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86322752888953,"endHours":12.5634991065796,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:16","startHours":5.56078332967891,"endHours":6.261054907368979,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"06:58","startHours":6.085987012946461,"endHours":6.961326485059048,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.964042261959738,"endHours":14.664313839649807,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.265400150410084,"endHours":17.665400150410083,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.465400150410083,"endHours":17.903069886466376,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.215400150410083,"endHours":18.965400150410083,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86322752888953,"endHours":24.5634991065796,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:58","end":"08:16","startHours":6.961326485059048,"endHours":8.274335693227927,"quality":"inauspicious"},{"name":"Śubha","start":"08:16","end":"09:35","startHours":8.274335693227927,"endHours":9.587344901396808,"quality":"auspicious"},{"name":"Roga","start":"09:35","end":"10:54","startHours":9.587344901396808,"endHours":10.900354109565686,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:13","startHours":10.900354109565686,"endHours":12.213363317734565,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:32","startHours":12.213363317734565,"endHours":13.526372525903446,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"14:50","startHours":13.526372525903446,"endHours":14.839381734072326,"quality":"auspicious"},{"name":"Amṛta","start":"14:50","end":"16:09","startHours":14.839381734072326,"endHours":16.152390942241205,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:28","startHours":16.152390942241205,"endHours":17.465400150410083,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:09","startHours":17.465400150410083,"endHours":19.152390942241205,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:50","startHours":19.152390942241205,"endHours":20.839381734072326,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:32","startHours":20.839381734072326,"endHours":22.526372525903444,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"00:13","startHours":22.526372525903444,"endHours":24.213363317734565,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:54","startHours":24.213363317734565,"endHours":25.900354109565686,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:35","startHours":25.900354109565686,"endHours":27.587344901396804,"quality":"inauspicious"},{"name":"Chala","start":"03:35","end":"05:16","startHours":27.587344901396804,"endHours":29.274335693227926,"quality":"neutral"},{"name":"Labha","start":"05:16","end":"06:58","startHours":29.274335693227926,"endHours":30.961326485059047,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.961326485059048,"endHours":7.961326485059048,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.961326485059048,"endHours":8.961326485059047,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.961326485059047,"endHours":9.961326485059047,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.961326485059047,"endHours":10.961326485059047,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.961326485059047,"endHours":11.961326485059047,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.961326485059047,"endHours":12.961326485059047,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.961326485059047,"endHours":13.961326485059047,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.961326485059047,"endHours":14.961326485059047,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.961326485059047,"endHours":15.961326485059047,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.961326485059047,"endHours":16.961326485059047,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.961326485059047,"endHours":17.961326485059047,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.961326485059047,"endHours":18.961326485059047,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.961326485059047,"endHours":19.961326485059047,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.961326485059047,"endHours":20.961326485059047,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.961326485059047,"endHours":21.961326485059047,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.961326485059047,"endHours":22.961326485059047,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.961326485059047,"endHours":23.961326485059047,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.961326485059047,"endHours":24.961326485059047,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.961326485059047,"endHours":25.961326485059047,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.961326485059047,"endHours":26.961326485059047,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.961326485059047,"endHours":27.961326485059047,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.961326485059047,"endHours":28.961326485059047,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.961326485059047,"endHours":29.961326485059047,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.961326485059047,"endHours":30.961326485059047,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.829275517366273,"eotMinutes":3.7562009359260493,"ayanamsa":25.4925}},"calendars":{"vikram_samvat":2174,"vikram_samvatsara":"Vikṛti","saka_samvat":2039,"saka_samvatsara":"Īśvara","bengali_samvat":1524,"malayalam_era":1293,"nanakshahi_year":648,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Caturdaśī · Vikram 2174 Vikṛti · Śaka 2039 Īśvara"},"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 15, 2117 CE · Perth, Australia · Vidhyamitra","description":"May 15, 2117 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 06:58, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2117-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2117-05-15","sa":"https://sa.vidhyamitra.com/city/perth/2117-05-15","hi":"https://hi.vidhyamitra.com/city/perth/2117-05-15","x-default":"https://vidhyamitra.com/city/perth/2117-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:16:15.211Z","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":"2026-06-01T19:16:15.211Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:16:15.211Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}