{"id":"vidhyamitra:city-day:perth:2156-05-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2156-05-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2156-05-15","date_display":"May 15, 2156 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":2156,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508657.770833,"kali_year":5258,"ahargana":1920192.2708,"sun":{"sidereal_longitude":28.3778,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":332.194,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.8161,"elapsed_within_tithi_degrees":3.8161},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.194,"elapsed_within_degrees":12.194},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.5718},"karana":{"half_tithi_index":50,"name":"Bava"},"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":2156,"month":5,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508657.770833,"ahargana":1920192.2708,"kali_year":5258,"ayanamsa_lahiri":26.0373,"grahas":{"sun":{"sidereal_longitude":28.751082999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":331.602583,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":1.0282},"mars":{"sidereal_longitude":27.78148299999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":3.070582999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":70.96918299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":0.2272829999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":136.29108300000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":318.9729,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":138.9729,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2156,"month":5,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508657.770833,"kali_year":5258,"ahargana":1920192.2708,"sun":{"sidereal_longitude":28.3778,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":332.194,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.8161,"elapsed_within_tithi_degrees":3.8161},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.194,"elapsed_within_degrees":12.194},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":0.5718},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.028,"elongation":56.184},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.028,"opposition_distance":123.816}},"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":10.491513300493438,"dayLengthDisplay":"10 Hours 29 Mins 29 Secs","nightLengthDisplay":"13 Hours 30 Mins 31 Secs","moonriseLocal":"02:19","moonsetLocal":"14:29","rahuKala":{"name":"Rāhu Kāla","start":"09:35","end":"10:54","startHours":9.590484992611206,"endHours":10.901924155172885,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:31","end":"14:50","startHours":13.524802480296245,"endHours":14.836241642857924,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:58","end":"08:17","startHours":6.967606667487846,"endHours":8.279045830049526,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.415626437602981,"endHours":9.76534354761943,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.404753055008406,"endHours":7.684526743021564,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.863646207718118,"endHours":12.563080427751013,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:16","startHours":5.568738227422054,"endHours":6.26817244745495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.0933138924467265,"endHours":6.967606667487846,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.961948867816805,"endHours":14.6613830878497,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.259119967981285,"endHours":17.659119967981283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.459119967981284,"endHours":17.896266355501844,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.209119967981284,"endHours":18.959119967981284,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.863646207718116,"endHours":24.563080427751014,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:58","end":"08:17","startHours":6.967606667487846,"endHours":8.279045830049526,"quality":"inauspicious"},{"name":"Śubha","start":"08:17","end":"09:35","startHours":8.279045830049526,"endHours":9.590484992611206,"quality":"auspicious"},{"name":"Roga","start":"09:35","end":"10:54","startHours":9.590484992611206,"endHours":10.901924155172885,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:13","startHours":10.901924155172885,"endHours":12.213363317734565,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:31","startHours":12.213363317734565,"endHours":13.524802480296245,"quality":"neutral"},{"name":"Labha","start":"13:31","end":"14:50","startHours":13.524802480296245,"endHours":14.836241642857924,"quality":"auspicious"},{"name":"Amṛta","start":"14:50","end":"16:09","startHours":14.836241642857924,"endHours":16.147680805419604,"quality":"auspicious"},{"name":"Kāla","start":"16:09","end":"17:28","startHours":16.147680805419604,"endHours":17.459119967981284,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:09","startHours":17.459119967981284,"endHours":19.147680805419604,"quality":"auspicious"},{"name":"Amṛta","start":"19:09","end":"20:50","startHours":19.147680805419604,"endHours":20.836241642857924,"quality":"auspicious"},{"name":"Kāla","start":"20:50","end":"22:31","startHours":20.836241642857924,"endHours":22.524802480296245,"quality":"inauspicious"},{"name":"Śubha","start":"22:31","end":"00:13","startHours":22.524802480296245,"endHours":24.213363317734565,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:54","startHours":24.213363317734565,"endHours":25.901924155172885,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:35","startHours":25.901924155172885,"endHours":27.590484992611206,"quality":"inauspicious"},{"name":"Chala","start":"03:35","end":"05:17","startHours":27.590484992611206,"endHours":29.279045830049526,"quality":"neutral"},{"name":"Labha","start":"05:17","end":"06:58","startHours":29.279045830049526,"endHours":30.967606667487846,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.967606667487846,"endHours":7.967606667487846,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.967606667487846,"endHours":8.967606667487846,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.967606667487846,"endHours":9.967606667487846,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.967606667487846,"endHours":10.967606667487846,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.967606667487846,"endHours":11.967606667487846,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.967606667487846,"endHours":12.967606667487846,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.967606667487846,"endHours":13.967606667487846,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.967606667487846,"endHours":14.967606667487846,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.967606667487846,"endHours":15.967606667487846,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.967606667487846,"endHours":16.967606667487846,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.967606667487846,"endHours":17.967606667487846,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.967606667487846,"endHours":18.967606667487846,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.967606667487846,"endHours":19.967606667487846,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.967606667487846,"endHours":20.967606667487846,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.967606667487846,"endHours":21.967606667487846,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.967606667487846,"endHours":22.967606667487846,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.967606667487846,"endHours":23.967606667487846,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.967606667487846,"endHours":24.967606667487846,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.967606667487846,"endHours":25.967606667487846,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.967606667487846,"endHours":26.967606667487846,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.967606667487846,"endHours":27.967606667487846,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.967606667487846,"endHours":28.967606667487846,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.967606667487846,"endHours":29.967606667487846,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.967606667487846,"endHours":30.967606667487846,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":18.96306438421665,"eotMinutes":3.7562009359260493,"ayanamsa":26.0373}},"calendars":{"vikram_samvat":2213,"vikram_samvatsara":"Śukla","saka_samvat":2078,"saka_samvatsara":"Nala","bengali_samvat":1563,"malayalam_era":1332,"nanakshahi_year":687,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","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":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ekādaśī · Vikram 2213 Śukla · Śaka 2078 Nala"},"festivals":[{"id":"apara-ekadashi","name":"Aparā Ekādaśī","name_sanskrit":"अपरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Boundless (aparā) merit; removes brahma-hatyā even.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 May 15, 2156 CE · Perth, Australia · Vidhyamitra","description":"May 15, 2156 CE for Perth, Australia: Kṛṣṇa Ekādaśī, sūryodaya 06:58, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2156-05-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2156-05-15","sa":"https://sa.vidhyamitra.com/city/perth/2156-05-15","hi":"https://hi.vidhyamitra.com/city/perth/2156-05-15","x-default":"https://vidhyamitra.com/city/perth/2156-05-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:18:45.240Z","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":"2026-06-01T00:18:45.240Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:18:45.240Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}