{"id":"vidhyamitra:city-day:perth:1817-06-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1817-06-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-06-15","date_display":"June 15, 1817 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":1817,"month":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384870.770833,"kali_year":4919,"ahargana":1796405.2708,"sun":{"sidereal_longitude":62.401,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":64.126,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.7249,"elapsed_within_tithi_degrees":1.7249},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.126,"elapsed_within_degrees":10.7926},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.527},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1817,"month":6,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384870.770833,"ahargana":1796405.2708,"kali_year":4919,"ayanamsa_lahiri":21.303,"grahas":{"sun":{"sidereal_longitude":62.20725600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":63.76135599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":1.9937},"mars":{"sidereal_longitude":357.412156,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":60.65025600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":224.59175600000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":33.56075599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":316.523556,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":37.8038,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":217.8038,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1817,"month":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384870.770833,"kali_year":4919,"ahargana":1796405.2708,"sun":{"sidereal_longitude":62.401,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":64.126,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.7249,"elapsed_within_tithi_degrees":1.7249},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":64.126,"elapsed_within_degrees":10.7926},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":126.527},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.994,"elongation":1.725},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.994,"opposition_distance":178.275}},"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":"07:15","sunsetLocal":"17:19","solarNoonLocal":"12:17","dayLengthHours":10.072417412218591,"dayLengthDisplay":"10 Hours 04 Mins 21 Secs","nightLengthDisplay":"13 Hours 55 Mins 39 Secs","moonriseLocal":"07:22","moonsetLocal":"17:24","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:19","startHours":16.056330812337492,"endHours":17.315382988864815,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:32","startHours":12.27917428275552,"endHours":13.538226459282843,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:03","startHours":14.797278635810166,"endHours":16.056330812337492,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.593196306163895,"endHours":9.928943553237847,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.662649635488664,"endHours":7.931247433147827,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:37","startHours":11.943427035681566,"endHours":12.614921529829473,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:34","startHours":5.899976588350411,"endHours":6.571471082498317,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.4035974589613405,"endHours":7.242965576646223,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.957910518125285,"endHours":14.62940501227319,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.115382988864816,"endHours":17.515382988864815,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.315382988864815,"endHours":17.735067047707258,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.065382988864815,"endHours":18.815382988864815,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:37","startHours":23.943427035681566,"endHours":24.614921529829473,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:15","end":"08:30","startHours":7.242965576646223,"endHours":8.502017753173547,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:46","startHours":8.502017753173547,"endHours":9.76106992970087,"quality":"neutral"},{"name":"Labha","start":"09:46","end":"11:01","startHours":9.76106992970087,"endHours":11.020122106228195,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:17","startHours":11.020122106228195,"endHours":12.27917428275552,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:32","startHours":12.27917428275552,"endHours":13.538226459282843,"quality":"inauspicious"},{"name":"Śubha","start":"13:32","end":"14:48","startHours":13.538226459282843,"endHours":14.797278635810166,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:03","startHours":14.797278635810166,"endHours":16.056330812337492,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:19","startHours":16.056330812337492,"endHours":17.315382988864815,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:19","end":"19:03","startHours":17.315382988864815,"endHours":19.056330812337492,"quality":"auspicious"},{"name":"Roga","start":"19:03","end":"20:48","startHours":19.056330812337492,"endHours":20.797278635810166,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:32","startHours":20.797278635810166,"endHours":22.538226459282843,"quality":"inauspicious"},{"name":"Chala","start":"22:32","end":"00:17","startHours":22.538226459282843,"endHours":24.27917428275552,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"02:01","startHours":24.27917428275552,"endHours":26.020122106228197,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:46","startHours":26.020122106228197,"endHours":27.761069929700874,"quality":"auspicious"},{"name":"Kāla","start":"03:46","end":"05:30","startHours":27.761069929700874,"endHours":29.502017753173547,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:15","startHours":29.502017753173547,"endHours":31.242965576646224,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.242965576646223,"endHours":8.242965576646224,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.242965576646224,"endHours":9.242965576646224,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.242965576646224,"endHours":10.242965576646224,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.242965576646224,"endHours":11.242965576646224,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.242965576646224,"endHours":12.242965576646224,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.242965576646224,"endHours":13.242965576646224,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.242965576646224,"endHours":14.242965576646224,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.242965576646224,"endHours":15.242965576646224,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.242965576646224,"endHours":16.242965576646224,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.242965576646224,"endHours":17.242965576646224,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.242965576646224,"endHours":18.242965576646224,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.242965576646224,"endHours":19.242965576646224,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.242965576646224,"endHours":20.242965576646224,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.242965576646224,"endHours":21.242965576646224,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.242965576646224,"endHours":22.242965576646224,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.242965576646224,"endHours":23.242965576646224,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.242965576646224,"endHours":24.242965576646224,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.242965576646224,"endHours":25.242965576646224,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.242965576646224,"endHours":26.242965576646224,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.242965576646224,"endHours":27.242965576646224,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.242965576646224,"endHours":28.242965576646224,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.242965576646224,"endHours":29.242965576646224,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.242965576646224,"endHours":30.242965576646224,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.242965576646224,"endHours":31.242965576646224,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.27743972267492,"eotMinutes":-0.19245696533128553,"ayanamsa":21.303}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"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 1874 Vikṛti · Śaka 1739 Īśvara"},"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":"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":[]},"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 15, 1817 CE · Perth, Australia · Vidhyamitra","description":"June 15, 1817 CE for Perth, Australia: Śukla Pratipada, sūryodaya 07:15, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1817-06-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1817-06-15","sa":"https://sa.vidhyamitra.com/city/perth/1817-06-15","hi":"https://hi.vidhyamitra.com/city/perth/1817-06-15","x-default":"https://vidhyamitra.com/city/perth/1817-06-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T22:06:22.358Z","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":"2026-06-04T22:06:22.358Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T22:06:22.358Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}