{"id":"vidhyamitra:city-day:perth:1887-07-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1887-07-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1887-07-20","date_display":"July 20, 1887 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":1887,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410472.770833,"kali_year":4989,"ahargana":1822007.2708,"sun":{"sidereal_longitude":94.4905,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":82.7916,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.3011,"elapsed_within_tithi_degrees":0.3011},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.7916,"elapsed_within_degrees":2.7916},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2822},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"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":1887,"month":7,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2410472.770833,"ahargana":1822007.2708,"kali_year":4989,"ayanamsa_lahiri":22.2821,"grahas":{"sun":{"sidereal_longitude":94.69157100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"moon":{"sidereal_longitude":83.96187099999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-2.7992},"mars":{"sidereal_longitude":74.41267099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":110.70127100000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":186.76437099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":141.633171,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":94.70487100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":121.2867,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":301.2867,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"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":1887,"month":7,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2410472.770833,"kali_year":4989,"ahargana":1822007.2708,"sun":{"sidereal_longitude":94.4905,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":82.7916,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":348.3011,"elapsed_within_tithi_degrees":0.3011},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":82.7916,"elapsed_within_degrees":2.7916},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":177.2822},"karana":{"half_tithi_index":58,"name":"Catuṣpāda"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.799,"elongation":11.699},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.799,"opposition_distance":168.301}},"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":"07:13","sunsetLocal":"17:32","solarNoonLocal":"12:23","dayLengthHours":10.32036789516036,"dayLengthDisplay":"10 Hours 19 Mins 13 Secs","nightLengthDisplay":"13 Hours 40 Mins 47 Secs","moonriseLocal":"06:36","moonsetLocal":"16:43","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:40","startHours":12.375870353585956,"endHours":13.665916340481001,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:30","end":"09:48","startHours":8.505732392900821,"endHours":9.795778379795866,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:23","startHours":11.085824366690911,"endHours":12.375870353585956,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:58","startHours":9.62377224820986,"endHours":9.967784511381872,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.645701734970791,"endHours":7.9209115455084005,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.031858090413944,"endHours":12.719882616757967,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:50","end":"06:32","startHours":5.839637353317728,"endHours":6.527661879661752,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:21","end":"07:13","startHours":6.355655748075746,"endHours":7.2156864060057755,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:06","end":"14:47","startHours":14.095931669446015,"endHours":14.78395619579004,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:20","end":"17:44","startHours":17.336054301166136,"endHours":17.736054301166135,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:32","end":"17:58","startHours":17.536054301166136,"endHours":17.96606963013115,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:17","end":"19:02","startHours":17.286054301166136,"endHours":19.036054301166136,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.031858090413944,"endHours":24.719882616757967,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:13","end":"08:30","startHours":7.2156864060057755,"endHours":8.505732392900821,"quality":"auspicious"},{"name":"Amṛta","start":"08:30","end":"09:48","startHours":8.505732392900821,"endHours":9.795778379795866,"quality":"auspicious"},{"name":"Kāla","start":"09:48","end":"11:05","startHours":9.795778379795866,"endHours":11.085824366690911,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:23","startHours":11.085824366690911,"endHours":12.375870353585956,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:40","startHours":12.375870353585956,"endHours":13.665916340481001,"quality":"inauspicious"},{"name":"Udveg","start":"13:40","end":"14:57","startHours":13.665916340481001,"endHours":14.955962327376046,"quality":"inauspicious"},{"name":"Chala","start":"14:57","end":"16:15","startHours":14.955962327376046,"endHours":16.24600831427109,"quality":"neutral"},{"name":"Labha","start":"16:15","end":"17:32","startHours":16.24600831427109,"endHours":17.536054301166136,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:32","end":"19:15","startHours":17.536054301166136,"endHours":19.24600831427109,"quality":"inauspicious"},{"name":"Chala","start":"19:15","end":"20:57","startHours":19.24600831427109,"endHours":20.955962327376046,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:40","startHours":20.955962327376046,"endHours":22.665916340481,"quality":"auspicious"},{"name":"Amṛta","start":"22:40","end":"00:23","startHours":22.665916340481,"endHours":24.375870353585956,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:05","startHours":24.375870353585956,"endHours":26.08582436669091,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:48","startHours":26.08582436669091,"endHours":27.795778379795866,"quality":"auspicious"},{"name":"Roga","start":"03:48","end":"05:30","startHours":27.795778379795866,"endHours":29.50573239290082,"quality":"inauspicious"},{"name":"Udveg","start":"05:30","end":"07:13","startHours":29.50573239290082,"endHours":31.215686406005776,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.2156864060057755,"endHours":8.215686406005776,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.215686406005776,"endHours":9.215686406005776,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.215686406005776,"endHours":10.215686406005776,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.215686406005776,"endHours":11.215686406005776,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.215686406005776,"endHours":12.215686406005776,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.215686406005776,"endHours":13.215686406005776,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.215686406005776,"endHours":14.215686406005776,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.215686406005776,"endHours":15.215686406005776,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.215686406005776,"endHours":16.215686406005776,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.215686406005776,"endHours":17.215686406005776,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.215686406005776,"endHours":18.215686406005776,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.215686406005776,"endHours":19.215686406005776,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.215686406005776,"endHours":20.215686406005776,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.215686406005776,"endHours":21.215686406005776,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.215686406005776,"endHours":22.215686406005776,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.215686406005776,"endHours":23.215686406005776,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.215686406005776,"endHours":24.215686406005776,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.215686406005776,"endHours":25.215686406005776,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.215686406005776,"endHours":26.215686406005776,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.215686406005776,"endHours":27.215686406005776,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.215686406005776,"endHours":28.215686406005776,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.215686406005776,"endHours":29.215686406005776,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.215686406005776,"endHours":30.215686406005776,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.215686406005776,"endHours":31.215686406005776,"planetary_lord":"Sun"}],"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.760668582273432,"eotMinutes":-5.99422121515736,"ayanamsa":22.2821}},"calendars":{"vikram_samvat":1944,"vikram_samvatsara":"Śārvarī","saka_samvat":1809,"saka_samvatsara":"Sarvajit","bengali_samvat":1294,"malayalam_era":1063,"nanakshahi_year":418,"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 Amāvasyā · Vikram 1944 Śārvarī · Śaka 1809 Sarvajit"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 July 20, 1887 CE · Perth, Australia · Vidhyamitra","description":"July 20, 1887 CE for Perth, Australia: Kṛṣṇa Amāvasyā, sūryodaya 07:13, sūryāsta 17:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1887-07-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1887-07-20","sa":"https://sa.vidhyamitra.com/city/perth/1887-07-20","hi":"https://hi.vidhyamitra.com/city/perth/1887-07-20","x-default":"https://vidhyamitra.com/city/perth/1887-07-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:51:15.297Z","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":"2026-05-31T16:51:15.297Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:51:15.297Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}