{"id":"vidhyamitra:city-day:perth:1815-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1815-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-08-01","date_display":"August 1, 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":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384186.770833,"kali_year":4917,"ahargana":1795721.2708,"sun":{"sidereal_longitude":106.4849,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":50.8626,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.3777,"elapsed_within_tithi_degrees":4.3777},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.8626,"elapsed_within_degrees":10.8626},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.3476},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384186.770833,"ahargana":1795721.2708,"kali_year":4917,"ayanamsa_lahiri":21.2768,"grahas":{"sun":{"sidereal_longitude":106.58829000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":48.32308999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-1.77},"mars":{"sidereal_longitude":0.8096899999999891,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":95.47938999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":166.62198999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":154.88299000000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":289.71449000000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":74.0455,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":254.0455,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1815,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384186.770833,"kali_year":4917,"ahargana":1795721.2708,"sun":{"sidereal_longitude":106.4849,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":50.8626,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.3777,"elapsed_within_tithi_degrees":4.3777},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4,"moon_longitude":50.8626,"elapsed_within_degrees":10.8626},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.3476},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.77,"elongation":55.622},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.77,"opposition_distance":124.378}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-1.459,"opposition_distance":2.474}]},"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":"17:39","solarNoonLocal":"12:23","dayLengthHours":10.553532988760765,"dayLengthDisplay":"10 Hours 33 Mins 13 Secs","nightLengthDisplay":"13 Hours 26 Mins 47 Secs","moonriseLocal":"03:25","moonsetLocal":"13:35","rahuKala":{"name":"Rāhu Kāla","start":"15:01","end":"16:20","startHours":15.014644411635363,"endHours":16.33383603523046,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:44","end":"11:03","startHours":9.73787791725498,"endHours":11.057069540850076,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.695452788040267,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.561985700775635,"endHours":9.913770133734328,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.5392252112631555,"endHours":7.820652757630109,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.02447673148648,"endHours":12.728045597403863,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:24","startHours":5.692356938230022,"endHours":6.395925804147406,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:06","startHours":6.22003358766806,"endHours":7.09949467006479,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.135183329238632,"endHours":14.838752195156017,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.453027658825555,"endHours":17.853027658825553,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:06","startHours":17.653027658825554,"endHours":18.09275820002392,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.403027658825554,"endHours":19.153027658825554,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.02447673148648,"endHours":24.728045597403863,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:06","end":"08:25","startHours":7.09949467006479,"endHours":8.418686293659885,"quality":"inauspicious"},{"name":"Udveg","start":"08:25","end":"09:44","startHours":8.418686293659885,"endHours":9.73787791725498,"quality":"inauspicious"},{"name":"Chala","start":"09:44","end":"11:03","startHours":9.73787791725498,"endHours":11.057069540850076,"quality":"neutral"},{"name":"Labha","start":"11:03","end":"12:23","startHours":11.057069540850076,"endHours":12.376261164445172,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.695452788040267,"quality":"auspicious"},{"name":"Kāla","start":"13:42","end":"15:01","startHours":13.695452788040267,"endHours":15.014644411635363,"quality":"inauspicious"},{"name":"Śubha","start":"15:01","end":"16:20","startHours":15.014644411635363,"endHours":16.33383603523046,"quality":"auspicious"},{"name":"Roga","start":"16:20","end":"17:39","startHours":16.33383603523046,"endHours":17.653027658825554,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:39","end":"19:20","startHours":17.653027658825554,"endHours":19.33383603523046,"quality":"inauspicious"},{"name":"Śubha","start":"19:20","end":"21:01","startHours":19.33383603523046,"endHours":21.014644411635363,"quality":"auspicious"},{"name":"Roga","start":"21:01","end":"22:42","startHours":21.014644411635363,"endHours":22.695452788040267,"quality":"inauspicious"},{"name":"Udveg","start":"22:42","end":"00:23","startHours":22.695452788040267,"endHours":24.37626116444517,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"02:03","startHours":24.37626116444517,"endHours":26.057069540850076,"quality":"neutral"},{"name":"Labha","start":"02:03","end":"03:44","startHours":26.057069540850076,"endHours":27.73787791725498,"quality":"auspicious"},{"name":"Amṛta","start":"03:44","end":"05:25","startHours":27.73787791725498,"endHours":29.418686293659885,"quality":"auspicious"},{"name":"Kāla","start":"05:25","end":"07:06","startHours":29.418686293659885,"endHours":31.09949467006479,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.09949467006479,"endHours":8.09949467006479,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.09949467006479,"endHours":9.09949467006479,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.09949467006479,"endHours":10.09949467006479,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.09949467006479,"endHours":11.09949467006479,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.09949467006479,"endHours":12.09949467006479,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.09949467006479,"endHours":13.09949467006479,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.09949467006479,"endHours":14.09949467006479,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.09949467006479,"endHours":15.09949467006479,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.09949467006479,"endHours":16.09949467006479,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.09949467006479,"endHours":17.09949467006479,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.09949467006479,"endHours":18.09949467006479,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.09949467006479,"endHours":19.09949467006479,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.09949467006479,"endHours":20.09949467006479,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.09949467006479,"endHours":21.09949467006479,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.09949467006479,"endHours":22.09949467006479,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.09949467006479,"endHours":23.09949467006479,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.09949467006479,"endHours":24.09949467006479,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.09949467006479,"endHours":25.09949467006479,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.09949467006479,"endHours":26.09949467006479,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.09949467006479,"endHours":27.09949467006479,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.09949467006479,"endHours":28.09949467006479,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.09949467006479,"endHours":29.09949467006479,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.09949467006479,"endHours":30.09949467006479,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.09949467006479,"endHours":31.09949467006479,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.300042510467655,"eotMinutes":-6.017669866710306,"ayanamsa":21.2768}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Ekādaśī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"aja-ekadashi","name":"Ajā Ekādaśī","name_sanskrit":"अजा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"King Hariścandra observed this; restored him to throne and family.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Śrāvaṇa"},"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 August 1, 1815 CE · Perth, Australia · Vidhyamitra","description":"August 1, 1815 CE for Perth, Australia: Kṛṣṇa Ekādaśī, sūryodaya 07:06, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1815-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1815-08-01","sa":"https://sa.vidhyamitra.com/city/perth/1815-08-01","hi":"https://hi.vidhyamitra.com/city/perth/1815-08-01","x-default":"https://vidhyamitra.com/city/perth/1815-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T09:45:47.706Z","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":"2026-06-05T09:45:47.706Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T09:45:47.706Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}