{"id":"vidhyamitra:city-day:perth:1865-05-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1865-05-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1865-05-10","date_display":"May 10, 1865 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":1865,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402366.770833,"kali_year":4967,"ahargana":1813901.2708,"sun":{"sidereal_longitude":27.7044,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":198.3517,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6474,"elapsed_within_tithi_degrees":2.6474},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.3517,"elapsed_within_degrees":11.685},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.0561},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1865,"month":5,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2402366.770833,"ahargana":1813901.2708,"kali_year":4967,"ayanamsa_lahiri":21.9721,"grahas":{"sun":{"sidereal_longitude":27.388779999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":198.35208,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":0.5922},"mars":{"sidereal_longitude":91.63308,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":19.19587999999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":248.42498,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"venus":{"sidereal_longitude":26.20368000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":184.42057999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":190.7816,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":10.7816,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1865,"month":5,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2402366.770833,"kali_year":4967,"ahargana":1813901.2708,"sun":{"sidereal_longitude":27.7044,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":198.3517,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6474,"elapsed_within_tithi_degrees":2.6474},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":198.3517,"elapsed_within_degrees":11.685},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.0561},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.592,"elongation":170.647},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.592,"opposition_distance":9.353}},"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":"06:54","sunsetLocal":"17:32","solarNoonLocal":"12:13","dayLengthHours":10.621523859207805,"dayLengthDisplay":"10 Hours 37 Mins 17 Secs","nightLengthDisplay":"13 Hours 22 Mins 43 Secs","moonriseLocal":"16:56","moonsetLocal":"06:18","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:33","startHours":12.21468956959911,"endHours":13.542380052000084,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:14","end":"09:34","startHours":8.231618122396181,"endHours":9.559308604797156,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:53","end":"12:13","startHours":10.886999087198133,"endHours":12.21468956959911,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:44","startHours":9.382283207143693,"endHours":9.73633400245062,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:21","end":"07:38","startHours":7.346491134128864,"endHours":7.629731770374406,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.860638774292182,"endHours":12.568740364906036,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:12","startHours":5.487724458767499,"endHours":6.195826049381352,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:01","end":"06:54","startHours":6.018800651727888,"endHours":6.903927639995206,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:42","startHours":13.984943546133742,"endHours":14.693045136747596,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.325451499203012,"endHours":17.72545149920301,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:58","startHours":17.52545149920301,"endHours":17.96801499333667,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.27545149920301,"endHours":19.02545149920301,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.860638774292184,"endHours":24.568740364906034,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:54","end":"08:14","startHours":6.903927639995206,"endHours":8.231618122396181,"quality":"auspicious"},{"name":"Amṛta","start":"08:14","end":"09:34","startHours":8.231618122396181,"endHours":9.559308604797156,"quality":"auspicious"},{"name":"Kāla","start":"09:34","end":"10:53","startHours":9.559308604797156,"endHours":10.886999087198133,"quality":"inauspicious"},{"name":"Śubha","start":"10:53","end":"12:13","startHours":10.886999087198133,"endHours":12.21468956959911,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:33","startHours":12.21468956959911,"endHours":13.542380052000084,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"14:52","startHours":13.542380052000084,"endHours":14.870070534401059,"quality":"inauspicious"},{"name":"Chala","start":"14:52","end":"16:12","startHours":14.870070534401059,"endHours":16.197761016802037,"quality":"neutral"},{"name":"Labha","start":"16:12","end":"17:32","startHours":16.197761016802037,"endHours":17.52545149920301,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:32","end":"19:12","startHours":17.52545149920301,"endHours":19.197761016802037,"quality":"inauspicious"},{"name":"Chala","start":"19:12","end":"20:52","startHours":19.197761016802037,"endHours":20.87007053440106,"quality":"neutral"},{"name":"Labha","start":"20:52","end":"22:33","startHours":20.87007053440106,"endHours":22.542380052000084,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:13","startHours":22.542380052000084,"endHours":24.21468956959911,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:53","startHours":24.21468956959911,"endHours":25.886999087198134,"quality":"inauspicious"},{"name":"Śubha","start":"01:53","end":"03:34","startHours":25.886999087198134,"endHours":27.55930860479716,"quality":"auspicious"},{"name":"Roga","start":"03:34","end":"05:14","startHours":27.55930860479716,"endHours":29.23161812239618,"quality":"inauspicious"},{"name":"Udveg","start":"05:14","end":"06:54","startHours":29.23161812239618,"endHours":30.903927639995207,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:54","end":"07:54","startHours":6.903927639995206,"endHours":7.903927639995206,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:54","end":"08:54","startHours":7.903927639995206,"endHours":8.903927639995207,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:54","end":"09:54","startHours":8.903927639995207,"endHours":9.903927639995207,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:54","end":"10:54","startHours":9.903927639995207,"endHours":10.903927639995207,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:54","end":"11:54","startHours":10.903927639995207,"endHours":11.903927639995207,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:54","end":"12:54","startHours":11.903927639995207,"endHours":12.903927639995207,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:54","end":"13:54","startHours":12.903927639995207,"endHours":13.903927639995207,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:54","end":"14:54","startHours":13.903927639995207,"endHours":14.903927639995207,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:54","end":"15:54","startHours":14.903927639995207,"endHours":15.903927639995207,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:54","end":"16:54","startHours":15.903927639995207,"endHours":16.903927639995207,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:54","end":"17:54","startHours":16.903927639995207,"endHours":17.903927639995207,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:54","end":"18:54","startHours":17.903927639995207,"endHours":18.903927639995207,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:54","end":"19:54","startHours":18.903927639995207,"endHours":19.903927639995207,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:54","end":"20:54","startHours":19.903927639995207,"endHours":20.903927639995207,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:54","end":"21:54","startHours":20.903927639995207,"endHours":21.903927639995207,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:54","end":"22:54","startHours":21.903927639995207,"endHours":22.903927639995207,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:54","end":"23:54","startHours":22.903927639995207,"endHours":23.903927639995207,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:54","end":"00:54","startHours":23.903927639995207,"endHours":24.903927639995207,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:54","end":"01:54","startHours":24.903927639995207,"endHours":25.903927639995207,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:54","end":"02:54","startHours":25.903927639995207,"endHours":26.903927639995207,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:54","end":"03:54","startHours":26.903927639995207,"endHours":27.903927639995207,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:54","end":"04:54","startHours":27.903927639995207,"endHours":28.903927639995207,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:54","end":"05:54","startHours":28.903927639995207,"endHours":29.903927639995207,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:54","end":"06:54","startHours":29.903927639995207,"endHours":30.903927639995207,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Sushira","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":17.566351438120176,"eotMinutes":3.6766258240534686,"ayanamsa":21.9721}},"calendars":{"vikram_samvat":1922,"vikram_samvatsara":"Bahudhānya","saka_samvat":1787,"saka_samvatsara":"Krodhana","bengali_samvat":1272,"malayalam_era":1041,"nanakshahi_year":396,"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 Pūrṇimā · Vikram 1922 Bahudhānya · Śaka 1787 Krodhana"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 10, 1865 CE · Perth, Australia · Vidhyamitra","description":"May 10, 1865 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 06:54, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1865-05-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1865-05-10","sa":"https://sa.vidhyamitra.com/city/perth/1865-05-10","hi":"https://hi.vidhyamitra.com/city/perth/1865-05-10","x-default":"https://vidhyamitra.com/city/perth/1865-05-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:49:07.316Z","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":"2026-06-02T06:49:07.316Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:49:07.316Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}