{"id":"vidhyamitra:city-day:perth:1815-05-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1815-05-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-05-28","date_display":"May 28, 1815 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":1815,"month":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384121.770833,"kali_year":4917,"ahargana":1795656.2708,"sun":{"sidereal_longitude":44.8485,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":282.4171,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.5686,"elapsed_within_tithi_degrees":9.5686},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.4171,"elapsed_within_degrees":2.4171},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.2656},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1815,"month":5,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384121.770833,"ahargana":1795656.2708,"kali_year":4917,"ayanamsa_lahiri":21.2743,"grahas":{"sun":{"sidereal_longitude":44.525773000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":279.47737299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-1.895},"mars":{"sidereal_longitude":321.74177299999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":54.464673000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":160.95277299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":83.33817299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":292.918673,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":77.4895,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.4895,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1815,"month":5,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384121.770833,"kali_year":4917,"ahargana":1795656.2708,"sun":{"sidereal_longitude":44.8485,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":282.4171,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":237.5686,"elapsed_within_tithi_degrees":9.5686},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.4171,"elapsed_within_degrees":2.4171},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.2656},"karana":{"half_tithi_index":39,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.895,"elongation":122.431},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.895,"opposition_distance":57.569}},"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":"07:06","sunsetLocal":"17:22","solarNoonLocal":"12:14","dayLengthHours":10.270918930752197,"dayLengthDisplay":"10 Hours 16 Mins 15 Secs","nightLengthDisplay":"13 Hours 43 Mins 45 Secs","moonriseLocal":"20:58","moonsetLocal":"10:49","rahuKala":{"name":"Rāhu Kāla","start":"16:05","end":"17:22","startHours":16.07936437352796,"endHours":17.363229239871984,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:31","startHours":12.227769774495886,"endHours":13.51163464083991,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:05","startHours":14.795499507183935,"endHours":16.07936437352796,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:50","startHours":9.488858059628633,"endHours":9.831222023987038,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:48","startHours":7.520265264567795,"endHours":7.794156436054521,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.88540581013748,"endHours":12.570133738854294,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:24","startHours":5.72285445168616,"endHours":6.407582380402974,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:06","startHours":6.23640039822377,"endHours":7.092310309119787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.939589596287918,"endHours":14.62431752500473,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.163229239871985,"endHours":17.563229239871983,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.363229239871984,"endHours":17.791184195319993,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.113229239871984,"endHours":18.863229239871984,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.88540581013748,"endHours":24.57013373885429,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:06","end":"08:23","startHours":7.092310309119787,"endHours":8.376175175463812,"quality":"inauspicious"},{"name":"Chala","start":"08:23","end":"09:40","startHours":8.376175175463812,"endHours":9.660040041807836,"quality":"neutral"},{"name":"Labha","start":"09:40","end":"10:57","startHours":9.660040041807836,"endHours":10.943904908151861,"quality":"auspicious"},{"name":"Amṛta","start":"10:57","end":"12:14","startHours":10.943904908151861,"endHours":12.227769774495886,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:31","startHours":12.227769774495886,"endHours":13.51163464083991,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:48","startHours":13.51163464083991,"endHours":14.795499507183935,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:05","startHours":14.795499507183935,"endHours":16.07936437352796,"quality":"inauspicious"},{"name":"Udveg","start":"16:05","end":"17:22","startHours":16.07936437352796,"endHours":17.363229239871984,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:22","end":"19:05","startHours":17.363229239871984,"endHours":19.07936437352796,"quality":"auspicious"},{"name":"Roga","start":"19:05","end":"20:48","startHours":19.07936437352796,"endHours":20.795499507183933,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:31","startHours":20.795499507183933,"endHours":22.511634640839908,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:14","startHours":22.511634640839908,"endHours":24.227769774495886,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:57","startHours":24.227769774495886,"endHours":25.94390490815186,"quality":"auspicious"},{"name":"Amṛta","start":"01:57","end":"03:40","startHours":25.94390490815186,"endHours":27.660040041807836,"quality":"auspicious"},{"name":"Kāla","start":"03:40","end":"05:23","startHours":27.660040041807836,"endHours":29.376175175463814,"quality":"inauspicious"},{"name":"Śubha","start":"05:23","end":"07:06","startHours":29.376175175463814,"endHours":31.09231030911979,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.092310309119787,"endHours":8.092310309119787,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.092310309119787,"endHours":9.092310309119787,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.092310309119787,"endHours":10.092310309119787,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.092310309119787,"endHours":11.092310309119787,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.092310309119787,"endHours":12.092310309119787,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.092310309119787,"endHours":13.092310309119787,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.092310309119787,"endHours":14.092310309119787,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.092310309119787,"endHours":15.092310309119787,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.092310309119787,"endHours":16.09231030911979,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09231030911979,"endHours":17.09231030911979,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09231030911979,"endHours":18.09231030911979,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09231030911979,"endHours":19.09231030911979,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09231030911979,"endHours":20.09231030911979,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09231030911979,"endHours":21.09231030911979,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09231030911979,"endHours":22.09231030911979,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09231030911979,"endHours":23.09231030911979,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09231030911979,"endHours":24.09231030911979,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09231030911979,"endHours":25.09231030911979,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09231030911979,"endHours":26.09231030911979,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09231030911979,"endHours":27.09231030911979,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09231030911979,"endHours":28.09231030911979,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09231030911979,"endHours":29.09231030911979,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09231030911979,"endHours":30.09231030911979,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09231030911979,"endHours":31.09231030911979,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.271022980079582,"eotMinutes":2.8918135302468597,"ayanamsa":21.2743}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"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":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Pañcamī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 28, 1815 CE · Perth, Australia · Vidhyamitra","description":"May 28, 1815 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 07:06, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1815-05-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1815-05-28","sa":"https://sa.vidhyamitra.com/city/perth/1815-05-28","hi":"https://hi.vidhyamitra.com/city/perth/1815-05-28","x-default":"https://vidhyamitra.com/city/perth/1815-05-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T07:19:50.912Z","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":"2026-06-05T07:19:50.912Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T07:19:50.912Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}