{"id":"vidhyamitra:city-day:perth:1901-06-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1901-06-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1901-06-17","date_display":"June 17, 1901 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":1901,"month":6,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415552.770833,"kali_year":5003,"ahargana":1827087.2708,"sun":{"sidereal_longitude":62.6516,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":70.4693,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.8177,"elapsed_within_tithi_degrees":7.8177},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.4693,"elapsed_within_degrees":3.8027},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":133.1209},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1901,"month":6,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2415552.770833,"ahargana":1827087.2708,"kali_year":5003,"ayanamsa_lahiri":22.4764,"grahas":{"sun":{"sidereal_longitude":62.65947799999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":69.149678,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-2.79},"mars":{"sidereal_longitude":144.585778,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":88.769678,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":258.79297799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":76.65717799999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":263.266978,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":212.1238,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":32.1238,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":1901,"month":6,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2415552.770833,"kali_year":5003,"ahargana":1827087.2708,"sun":{"sidereal_longitude":62.6516,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":70.4693,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.8177,"elapsed_within_tithi_degrees":7.8177},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":70.4693,"elapsed_within_degrees":3.8027},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":133.1209},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.79,"elongation":7.818},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.79,"opposition_distance":172.182}},"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":10.065402765641721,"dayLengthDisplay":"10 Hours 03 Mins 55 Secs","nightLengthDisplay":"13 Hours 56 Mins 05 Secs","moonriseLocal":"07:43","moonsetLocal":"17:44","rahuKala":{"name":"Rāhu Kāla","start":"08:31","end":"09:46","startHours":8.511563224787615,"endHours":9.76973857049283,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:17","startHours":11.027913916198045,"endHours":12.28608926190326,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"14:48","startHours":13.544264607608476,"endHours":14.80243995331369,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.601981857732135,"endHours":9.937495283253526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.672779660984139,"endHours":7.9411904014012515,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:37","startHours":11.95057583638187,"endHours":12.621602687424652,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:55","end":"06:35","startHours":5.911334176996838,"endHours":6.582361028039619,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:15","startHours":6.414604315278924,"endHours":7.253387879082401,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:38","startHours":13.963656389510215,"endHours":14.634683240552995,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.118790644724122,"endHours":17.51879064472412,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.31879064472412,"endHours":17.73818242662586,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.06879064472412,"endHours":18.81879064472412,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:37","startHours":23.95057583638187,"endHours":24.62160268742465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:15","end":"08:31","startHours":7.253387879082401,"endHours":8.511563224787615,"quality":"auspicious"},{"name":"Kāla","start":"08:31","end":"09:46","startHours":8.511563224787615,"endHours":9.76973857049283,"quality":"inauspicious"},{"name":"Śubha","start":"09:46","end":"11:02","startHours":9.76973857049283,"endHours":11.027913916198045,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:17","startHours":11.027913916198045,"endHours":12.28608926190326,"quality":"inauspicious"},{"name":"Udveg","start":"12:17","end":"13:33","startHours":12.28608926190326,"endHours":13.544264607608476,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"14:48","startHours":13.544264607608476,"endHours":14.80243995331369,"quality":"neutral"},{"name":"Labha","start":"14:48","end":"16:04","startHours":14.80243995331369,"endHours":16.060615299018906,"quality":"auspicious"},{"name":"Amṛta","start":"16:04","end":"17:19","startHours":16.060615299018906,"endHours":17.31879064472412,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:19","end":"19:04","startHours":17.31879064472412,"endHours":19.060615299018906,"quality":"neutral"},{"name":"Labha","start":"19:04","end":"20:48","startHours":19.060615299018906,"endHours":20.80243995331369,"quality":"auspicious"},{"name":"Amṛta","start":"20:48","end":"22:33","startHours":20.80243995331369,"endHours":22.544264607608476,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:17","startHours":22.544264607608476,"endHours":24.28608926190326,"quality":"inauspicious"},{"name":"Śubha","start":"00:17","end":"02:02","startHours":24.28608926190326,"endHours":26.027913916198045,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:46","startHours":26.027913916198045,"endHours":27.76973857049283,"quality":"inauspicious"},{"name":"Udveg","start":"03:46","end":"05:31","startHours":27.76973857049283,"endHours":29.511563224787615,"quality":"inauspicious"},{"name":"Chala","start":"05:31","end":"07:15","startHours":29.511563224787615,"endHours":31.2533878790824,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.253387879082401,"endHours":8.2533878790824,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.2533878790824,"endHours":9.2533878790824,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.2533878790824,"endHours":10.2533878790824,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.2533878790824,"endHours":11.2533878790824,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.2533878790824,"endHours":12.2533878790824,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.2533878790824,"endHours":13.2533878790824,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.2533878790824,"endHours":14.2533878790824,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.2533878790824,"endHours":15.2533878790824,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.2533878790824,"endHours":16.2533878790824,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.2533878790824,"endHours":17.2533878790824,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.2533878790824,"endHours":18.2533878790824,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.2533878790824,"endHours":19.2533878790824,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.2533878790824,"endHours":20.2533878790824,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.2533878790824,"endHours":21.2533878790824,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.2533878790824,"endHours":22.2533878790824,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.2533878790824,"endHours":23.2533878790824,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.2533878790824,"endHours":24.2533878790824,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.2533878790824,"endHours":25.2533878790824,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.2533878790824,"endHours":26.2533878790824,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.2533878790824,"endHours":27.2533878790824,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.2533878790824,"endHours":28.2533878790824,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.2533878790824,"endHours":29.2533878790824,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.2533878790824,"endHours":30.2533878790824,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.2533878790824,"endHours":31.2533878790824,"planetary_lord":"Venus"}],"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":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.34708033984859,"eotMinutes":-0.6073557141955915,"ayanamsa":22.4764}},"calendars":{"vikram_samvat":1958,"vikram_samvatsara":"Ānanda","saka_samvat":1823,"saka_samvatsara":"Plava","bengali_samvat":1308,"malayalam_era":1077,"nanakshahi_year":432,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha (Adhika) Śukla Pratipada · Vikram 1958 Ānanda · Śaka 1823 Plava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 17, 1901 CE · Perth, Australia · Vidhyamitra","description":"June 17, 1901 CE for Perth, Australia: Śukla Pratipada, sūryodaya 07:15, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1901-06-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1901-06-17","sa":"https://sa.vidhyamitra.com/city/perth/1901-06-17","hi":"https://hi.vidhyamitra.com/city/perth/1901-06-17","x-default":"https://vidhyamitra.com/city/perth/1901-06-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:10:03.144Z","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":"2026-06-01T03:10:03.144Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:10:03.144Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}