{"id":"vidhyamitra:city-day:perth:2164-06-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2164-06-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2164-06-20","date_display":"June 20, 2164 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":2164,"month":6,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511615.770833,"kali_year":5266,"ahargana":1923150.2708,"sun":{"sidereal_longitude":62.6014,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":68.5869,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":5.9854,"elapsed_within_tithi_degrees":5.9854},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.5869,"elapsed_within_degrees":1.9202},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.1883},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2164,"month":6,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2511615.770833,"ahargana":1923150.2708,"kali_year":5266,"ayanamsa_lahiri":26.1505,"grahas":{"sun":{"sidereal_longitude":63.237165000000005,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":67.32286499999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-4.4908},"mars":{"sidereal_longitude":104.020465,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":85.608765,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":328.931465,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":15.922865000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":235.35786499999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":162.2438,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":342.2438,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2164,"month":6,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2511615.770833,"kali_year":5266,"ahargana":1923150.2708,"sun":{"sidereal_longitude":62.6014,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":68.5869,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":5.9854,"elapsed_within_tithi_degrees":5.9854},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":68.5869,"elapsed_within_degrees":1.9202},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":131.1883},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.491,"elongation":5.985},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.491,"opposition_distance":174.015}},"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":"17:19","solarNoonLocal":"12:18","dayLengthHours":10.056526104609198,"dayLengthDisplay":"10 Hours 03 Mins 23 Secs","nightLengthDisplay":"13 Hours 56 Mins 37 Secs","moonriseLocal":"07:34","moonsetLocal":"17:35","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:33","startHours":12.296583992115163,"endHours":13.553649755191312,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:32","end":"09:47","startHours":8.525386702886713,"endHours":9.782452465962864,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:18","startHours":11.039518229039015,"endHours":12.296583992115163,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:37","end":"09:57","startHours":9.614843697552711,"endHours":9.950061234373017,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:57","startHours":7.6873428608359475,"endHours":7.955516890292193,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.961366455294856,"endHours":12.63180152893547,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:56","end":"06:36","startHours":5.9274507925293385,"endHours":6.5978858661699515,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:16","startHours":6.430277097759798,"endHours":7.268320939810565,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.972671676216695,"endHours":14.643106749857308,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.124847044419763,"endHours":17.52484704441976,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.324847044419762,"endHours":17.743868965445145,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.074847044419762,"endHours":18.824847044419762,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.961366455294858,"endHours":24.63180152893547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:16","end":"08:32","startHours":7.268320939810565,"endHours":8.525386702886713,"quality":"auspicious"},{"name":"Amṛta","start":"08:32","end":"09:47","startHours":8.525386702886713,"endHours":9.782452465962864,"quality":"auspicious"},{"name":"Kāla","start":"09:47","end":"11:02","startHours":9.782452465962864,"endHours":11.039518229039015,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:18","startHours":11.039518229039015,"endHours":12.296583992115163,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:33","startHours":12.296583992115163,"endHours":13.553649755191312,"quality":"inauspicious"},{"name":"Udveg","start":"13:33","end":"14:49","startHours":13.553649755191312,"endHours":14.810715518267463,"quality":"inauspicious"},{"name":"Chala","start":"14:49","end":"16:04","startHours":14.810715518267463,"endHours":16.067781281343613,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:19","startHours":16.067781281343613,"endHours":17.324847044419762,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:19","end":"19:04","startHours":17.324847044419762,"endHours":19.067781281343613,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:49","startHours":19.067781281343613,"endHours":20.810715518267465,"quality":"neutral"},{"name":"Labha","start":"20:49","end":"22:33","startHours":20.810715518267465,"endHours":22.553649755191312,"quality":"auspicious"},{"name":"Amṛta","start":"22:33","end":"00:18","startHours":22.553649755191312,"endHours":24.296583992115163,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"02:02","startHours":24.296583992115163,"endHours":26.039518229039015,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:47","startHours":26.039518229039015,"endHours":27.782452465962862,"quality":"auspicious"},{"name":"Roga","start":"03:47","end":"05:32","startHours":27.782452465962862,"endHours":29.525386702886713,"quality":"inauspicious"},{"name":"Udveg","start":"05:32","end":"07:16","startHours":29.525386702886713,"endHours":31.268320939810565,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.268320939810565,"endHours":8.268320939810565,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.268320939810565,"endHours":9.268320939810565,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.268320939810565,"endHours":10.268320939810565,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.268320939810565,"endHours":11.268320939810565,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.268320939810565,"endHours":12.268320939810565,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.268320939810565,"endHours":13.268320939810565,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.268320939810565,"endHours":14.268320939810565,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.268320939810565,"endHours":15.268320939810565,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.268320939810565,"endHours":16.268320939810565,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.268320939810565,"endHours":17.268320939810565,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.268320939810565,"endHours":18.268320939810565,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.268320939810565,"endHours":19.268320939810565,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.268320939810565,"endHours":20.268320939810565,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.268320939810565,"endHours":21.268320939810565,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.268320939810565,"endHours":22.268320939810565,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.268320939810565,"endHours":23.268320939810565,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.268320939810565,"endHours":24.268320939810565,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.268320939810565,"endHours":25.268320939810565,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.268320939810565,"endHours":26.268320939810565,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.268320939810565,"endHours":27.268320939810565,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.268320939810565,"endHours":28.268320939810565,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.268320939810565,"endHours":29.268320939810565,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.268320939810565,"endHours":30.268320939810565,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.268320939810565,"endHours":31.268320939810565,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.435081584856945,"eotMinutes":-1.2370395269098728,"ayanamsa":26.1505}},"calendars":{"vikram_samvat":2221,"vikram_samvatsara":"Īśvara","saka_samvat":2086,"saka_samvatsara":"Raktākṣī","bengali_samvat":1571,"malayalam_era":1340,"nanakshahi_year":695,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Pratipada · Vikram 2221 Īśvara · Śaka 2086 Raktākṣī"},"festivals":[{"id":"ashadha-gupta-navratri-start","name":"Āṣāḍha Gupta Navrātri Start","name_sanskrit":"आषाढ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Second Gupta Navrātri.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Āṣāḍha"},"precedence":3}],"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":[]},"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 20, 2164 CE · Perth, Australia · Vidhyamitra","description":"June 20, 2164 CE for Perth, Australia: Śukla Pratipada, sūryodaya 07:16, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2164-06-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2164-06-20","sa":"https://sa.vidhyamitra.com/city/perth/2164-06-20","hi":"https://hi.vidhyamitra.com/city/perth/2164-06-20","x-default":"https://vidhyamitra.com/city/perth/2164-06-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:02:21.434Z","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":"2026-05-31T17:02:21.434Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:02:21.435Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}