{"id":"vidhyamitra:city-day:perth:1876-08-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1876-08-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1876-08-13","date_display":"August 13, 1876 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":1876,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406479.770833,"kali_year":4978,"ahargana":1818014.2708,"sun":{"sidereal_longitude":118.1324,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":32.8637,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.7313,"elapsed_within_tithi_degrees":10.7313},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.8637,"elapsed_within_degrees":6.1971},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.9962},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":1876,"month":8,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406479.770833,"ahargana":1818014.2708,"kali_year":4978,"ayanamsa_lahiri":22.1294,"grahas":{"sun":{"sidereal_longitude":118.44803300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":30.040233,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":3.8965},"mars":{"sidereal_longitude":120.18663299999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":128.31253300000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":212.458533,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":84.52693299999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":314.795033,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":332.855,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":152.855,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara 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":1876,"month":8,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406479.770833,"kali_year":4978,"ahargana":1818014.2708,"sun":{"sidereal_longitude":118.1324,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":32.8637,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":274.7313,"elapsed_within_tithi_degrees":10.7313},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.8637,"elapsed_within_degrees":6.1971},"yoga":{"number":12,"name":"Dhruva","sum_longitude":150.9962},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.896,"elongation":85.269},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.896,"opposition_distance":94.731}},"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":"17:48","solarNoonLocal":"12:21","dayLengthHours":10.887644725850507,"dayLengthDisplay":"10 Hours 53 Mins 16 Secs","nightLengthDisplay":"13 Hours 06 Mins 44 Secs","moonriseLocal":"01:12","moonsetLocal":"11:43","rahuKala":{"name":"Rāhu Kāla","start":"16:26","end":"17:48","startHours":16.434858784497532,"endHours":17.795814375228844,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:21","end":"13:43","startHours":12.35199201230359,"endHours":13.712947603034905,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:04","end":"16:26","startHours":15.073903193766217,"endHours":16.434858784497532,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:49","startHours":9.448620085410123,"endHours":9.811541576271807,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:22","end":"07:39","startHours":7.3618215129554425,"endHours":7.65215870564479,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:43","startHours":11.989070521441906,"endHours":12.714913503165274,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:11","startHours":5.4564836859316035,"endHours":6.182326667654971,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:54","startHours":6.000865922224129,"endHours":6.908169649378338,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.16659946661201,"endHours":14.892442448335377,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:36","end":"18:00","startHours":17.595814375228844,"endHours":17.995814375228843,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:48","end":"18:15","startHours":17.795814375228844,"endHours":18.249466238805947,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:33","end":"19:18","startHours":17.545814375228844,"endHours":19.295814375228844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:43","startHours":23.989070521441906,"endHours":24.714913503165274,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:54","end":"08:16","startHours":6.908169649378338,"endHours":8.269125240109652,"quality":"inauspicious"},{"name":"Chala","start":"08:16","end":"09:38","startHours":8.269125240109652,"endHours":9.630080830840964,"quality":"neutral"},{"name":"Labha","start":"09:38","end":"10:59","startHours":9.630080830840964,"endHours":10.991036421572279,"quality":"auspicious"},{"name":"Amṛta","start":"10:59","end":"12:21","startHours":10.991036421572279,"endHours":12.35199201230359,"quality":"auspicious"},{"name":"Kāla","start":"12:21","end":"13:43","startHours":12.35199201230359,"endHours":13.712947603034905,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:04","startHours":13.712947603034905,"endHours":15.073903193766217,"quality":"auspicious"},{"name":"Roga","start":"15:04","end":"16:26","startHours":15.073903193766217,"endHours":16.434858784497532,"quality":"inauspicious"},{"name":"Udveg","start":"16:26","end":"17:48","startHours":16.434858784497532,"endHours":17.795814375228844,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:48","end":"19:26","startHours":17.795814375228844,"endHours":19.43485878449753,"quality":"auspicious"},{"name":"Roga","start":"19:26","end":"21:04","startHours":19.43485878449753,"endHours":21.073903193766217,"quality":"inauspicious"},{"name":"Udveg","start":"21:04","end":"22:43","startHours":21.073903193766217,"endHours":22.712947603034905,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:21","startHours":22.712947603034905,"endHours":24.35199201230359,"quality":"neutral"},{"name":"Labha","start":"00:21","end":"01:59","startHours":24.35199201230359,"endHours":25.991036421572275,"quality":"auspicious"},{"name":"Amṛta","start":"01:59","end":"03:38","startHours":25.991036421572275,"endHours":27.630080830840964,"quality":"auspicious"},{"name":"Kāla","start":"03:38","end":"05:16","startHours":27.630080830840964,"endHours":29.269125240109652,"quality":"inauspicious"},{"name":"Śubha","start":"05:16","end":"06:54","startHours":29.269125240109652,"endHours":30.908169649378337,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:54","end":"07:54","startHours":6.908169649378338,"endHours":7.908169649378338,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:54","end":"08:54","startHours":7.908169649378338,"endHours":8.908169649378337,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:54","end":"09:54","startHours":8.908169649378337,"endHours":9.908169649378337,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:54","end":"10:54","startHours":9.908169649378337,"endHours":10.908169649378337,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:54","end":"11:54","startHours":10.908169649378337,"endHours":11.908169649378337,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:54","end":"12:54","startHours":11.908169649378337,"endHours":12.908169649378337,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:54","end":"13:54","startHours":12.908169649378337,"endHours":13.908169649378337,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:54","end":"14:54","startHours":13.908169649378337,"endHours":14.908169649378337,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:54","end":"15:54","startHours":14.908169649378337,"endHours":15.908169649378337,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:54","end":"16:54","startHours":15.908169649378337,"endHours":16.908169649378337,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:54","end":"17:54","startHours":16.908169649378337,"endHours":17.908169649378337,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:54","end":"18:54","startHours":17.908169649378337,"endHours":18.908169649378337,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:54","end":"19:54","startHours":18.908169649378337,"endHours":19.908169649378337,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:54","end":"20:54","startHours":19.908169649378337,"endHours":20.908169649378337,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:54","end":"21:54","startHours":20.908169649378337,"endHours":21.908169649378337,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:54","end":"22:54","startHours":21.908169649378337,"endHours":22.908169649378337,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:54","end":"23:54","startHours":22.908169649378337,"endHours":23.908169649378337,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:54","end":"00:54","startHours":23.908169649378337,"endHours":24.908169649378337,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:54","end":"01:54","startHours":24.908169649378337,"endHours":25.908169649378337,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:54","end":"02:54","startHours":25.908169649378337,"endHours":26.908169649378337,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:54","end":"03:54","startHours":26.908169649378337,"endHours":27.908169649378337,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:54","end":"04:54","startHours":27.908169649378337,"endHours":28.908169649378337,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:54","end":"05:54","startHours":28.908169649378337,"endHours":29.908169649378337,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:54","end":"06:54","startHours":29.908169649378337,"endHours":30.908169649378337,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.62987840751907,"eotMinutes":-4.561520738215509,"ayanamsa":22.1294}},"calendars":{"vikram_samvat":1933,"vikram_samvatsara":"Virodhi","saka_samvat":1798,"saka_samvatsara":"Dhātṛ","bengali_samvat":1283,"malayalam_era":1052,"nanakshahi_year":407,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","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":"Bhādrapada Kṛṣṇa Aṣṭamī · Vikram 1933 Virodhi · Śaka 1798 Dhātṛ"},"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 13, 1876 CE · Perth, Australia · Vidhyamitra","description":"August 13, 1876 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:54, sūryāsta 17:48.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1876-08-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1876-08-13","sa":"https://sa.vidhyamitra.com/city/perth/1876-08-13","hi":"https://hi.vidhyamitra.com/city/perth/1876-08-13","x-default":"https://vidhyamitra.com/city/perth/1876-08-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:53:03.640Z","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":"2026-05-31T17:53:03.640Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:53:03.640Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}