{"id":"vidhyamitra:city-day:perth:2018-06-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2018-06-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-06-21","date_display":"June 21, 2018 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":2018,"month":6,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458290.770833,"kali_year":5120,"ahargana":1869825.2708,"sun":{"sidereal_longitude":65.2338,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":159.8954,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.6616,"elapsed_within_tithi_degrees":10.6616},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.8954,"elapsed_within_degrees":13.2288},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.1293},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2018,"month":6,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458290.770833,"ahargana":1869825.2708,"kali_year":5120,"ayanamsa_lahiri":24.111,"grahas":{"sun":{"sidereal_longitude":65.54047200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":162.851672,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false,"latitude":3.5561},"mars":{"sidereal_longitude":284.64587200000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":81.93047200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":199.67607199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":103.92977199999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":252.10467199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":107.6589,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":287.6589,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2018,"month":6,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458290.770833,"kali_year":5120,"ahargana":1869825.2708,"sun":{"sidereal_longitude":65.2338,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":159.8954,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":94.6616,"elapsed_within_tithi_degrees":10.6616},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.8954,"elapsed_within_degrees":13.2288},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":225.1293},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.556,"elongation":94.662},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.556,"opposition_distance":85.338}},"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":"07:16","sunsetLocal":"17:20","solarNoonLocal":"12:18","dayLengthHours":10.056429303310212,"dayLengthDisplay":"10 Hours 03 Mins 23 Secs","nightLengthDisplay":"13 Hours 56 Mins 37 Secs","moonriseLocal":"12:38","moonsetLocal":"00:57","rahuKala":{"name":"Rāhu Kāla","start":"13:33","end":"14:49","startHours":13.557144341141836,"endHours":14.814198004055612,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:16","end":"08:32","startHours":7.2718760265729525,"endHours":8.528929689486729,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:47","end":"11:03","startHours":9.785983352400505,"endHours":11.043037015314283,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:57","startHours":9.618376197345334,"endHours":9.953590507455676,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:58","startHours":7.690893914210878,"endHours":7.95906536229915,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.96487636811772,"endHours":12.6353049883384,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:56","end":"06:36","startHours":5.931018786131591,"endHours":6.601447406352271,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:16","startHours":6.433840251297101,"endHours":7.2718760265729525,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:39","startHours":13.97616222877976,"endHours":14.646590849000441,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.128305329883165,"endHours":17.528305329883164,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:45","startHours":17.328305329883165,"endHours":17.74732321752109,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.078305329883165,"endHours":18.828305329883165,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.964876368117718,"endHours":24.6353049883384,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:16","end":"08:32","startHours":7.2718760265729525,"endHours":8.528929689486729,"quality":"auspicious"},{"name":"Roga","start":"08:32","end":"09:47","startHours":8.528929689486729,"endHours":9.785983352400505,"quality":"inauspicious"},{"name":"Udveg","start":"09:47","end":"11:03","startHours":9.785983352400505,"endHours":11.043037015314283,"quality":"inauspicious"},{"name":"Chala","start":"11:03","end":"12:18","startHours":11.043037015314283,"endHours":12.30009067822806,"quality":"neutral"},{"name":"Labha","start":"12:18","end":"13:33","startHours":12.30009067822806,"endHours":13.557144341141836,"quality":"auspicious"},{"name":"Amṛta","start":"13:33","end":"14:49","startHours":13.557144341141836,"endHours":14.814198004055612,"quality":"auspicious"},{"name":"Kāla","start":"14:49","end":"16:04","startHours":14.814198004055612,"endHours":16.07125166696939,"quality":"inauspicious"},{"name":"Śubha","start":"16:04","end":"17:20","startHours":16.07125166696939,"endHours":17.328305329883165,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:20","end":"19:04","startHours":17.328305329883165,"endHours":19.07125166696939,"quality":"auspicious"},{"name":"Kāla","start":"19:04","end":"20:49","startHours":19.07125166696939,"endHours":20.814198004055612,"quality":"inauspicious"},{"name":"Śubha","start":"20:49","end":"22:33","startHours":20.814198004055612,"endHours":22.557144341141836,"quality":"auspicious"},{"name":"Roga","start":"22:33","end":"00:18","startHours":22.557144341141836,"endHours":24.30009067822806,"quality":"inauspicious"},{"name":"Udveg","start":"00:18","end":"02:03","startHours":24.30009067822806,"endHours":26.043037015314283,"quality":"inauspicious"},{"name":"Chala","start":"02:03","end":"03:47","startHours":26.043037015314283,"endHours":27.785983352400507,"quality":"neutral"},{"name":"Labha","start":"03:47","end":"05:32","startHours":27.785983352400507,"endHours":29.52892968948673,"quality":"auspicious"},{"name":"Amṛta","start":"05:32","end":"07:16","startHours":29.52892968948673,"endHours":31.271876026572954,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.2718760265729525,"endHours":8.271876026572953,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.271876026572953,"endHours":9.271876026572953,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.271876026572953,"endHours":10.271876026572953,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.271876026572953,"endHours":11.271876026572953,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.271876026572953,"endHours":12.271876026572953,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.271876026572953,"endHours":13.271876026572953,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.271876026572953,"endHours":14.271876026572953,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.271876026572953,"endHours":15.271876026572953,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.271876026572953,"endHours":16.271876026572954,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.271876026572954,"endHours":17.271876026572954,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.271876026572954,"endHours":18.271876026572954,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.271876026572954,"endHours":19.271876026572954,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.271876026572954,"endHours":20.271876026572954,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.271876026572954,"endHours":21.271876026572954,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.271876026572954,"endHours":22.271876026572954,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.271876026572954,"endHours":23.271876026572954,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.271876026572954,"endHours":24.271876026572954,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.271876026572954,"endHours":25.271876026572954,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.271876026572954,"endHours":26.271876026572954,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.271876026572954,"endHours":27.271876026572954,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.271876026572954,"endHours":28.271876026572954,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.271876026572954,"endHours":29.271876026572954,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.271876026572954,"endHours":30.271876026572954,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.271876026572954,"endHours":31.271876026572954,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.4360404794797,"eotMinutes":-1.4474406936836473,"ayanamsa":24.111}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Aṣṭamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"mithuna-sankranti","name":"Mithuna Saṅkrānti","name_sanskrit":"मिथुन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Gemini.","vrata":false,"detection":{"sun_rashi":"Mithuna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","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 June 21, 2018 CE · Perth, Australia · Vidhyamitra","description":"June 21, 2018 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 07:16, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2018-06-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2018-06-21","sa":"https://sa.vidhyamitra.com/city/perth/2018-06-21","hi":"https://hi.vidhyamitra.com/city/perth/2018-06-21","x-default":"https://vidhyamitra.com/city/perth/2018-06-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:53:54.338Z","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":"2026-05-15T12:53:54.338Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:53:54.338Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}