{"id":"vidhyamitra:city-day:perth:1997-06-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1997-06-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-06-09","date_display":"June 9, 1997 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":6,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450608.770833,"kali_year":5099,"ahargana":1862143.2708,"sun":{"sidereal_longitude":54.2668,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":100.7022,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.4354,"elapsed_within_tithi_degrees":10.4354},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.7022,"elapsed_within_degrees":7.3688},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.969},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1997,"month":6,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450608.770833,"ahargana":1862143.2708,"kali_year":5099,"ayanamsa_lahiri":23.8172,"grahas":{"sun":{"sidereal_longitude":54.44208099999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.73948100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":-3.6386},"mars":{"sidereal_longitude":151.998581,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":36.14558099999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":298.1551810000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":72.195581,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":354.190781,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":154.6883,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.6883,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1997,"month":6,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450608.770833,"kali_year":5099,"ahargana":1862143.2708,"sun":{"sidereal_longitude":54.2668,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":100.7022,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":46.4354,"elapsed_within_tithi_degrees":10.4354},"nakshatra":{"number":8,"name":"Puṣya","pada":3,"moon_longitude":100.7022,"elapsed_within_degrees":7.3688},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.969},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.639,"elongation":46.435},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.639,"opposition_distance":133.565}},"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":"07:12","sunsetLocal":"17:19","solarNoonLocal":"12:16","dayLengthHours":10.108496704875476,"dayLengthDisplay":"10 Hours 06 Mins 31 Secs","nightLengthDisplay":"13 Hours 53 Mins 29 Secs","moonriseLocal":"10:01","moonsetLocal":"20:24","rahuKala":{"name":"Rāhu Kāla","start":"08:28","end":"09:44","startHours":8.468656543719197,"endHours":9.732218631828632,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:00","end":"12:16","startHours":10.995780719938065,"endHours":12.2593428080475,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:31","end":"14:47","startHours":13.522904896156934,"endHours":14.786466984266369,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:54","startHours":9.563743686747372,"endHours":9.90069357690989,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:54","startHours":7.626281818312907,"endHours":7.895841730442919,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:36","startHours":11.922392917884984,"endHours":12.596292698210014,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.857294894959699,"endHours":6.5311946752847305,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:12","startHours":6.362719730203473,"endHours":7.205094455609762,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:37","startHours":13.94409225886008,"endHours":14.617992039185111,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11359116048524,"endHours":17.513591160485237,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.313591160485238,"endHours":17.734778523188382,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.063591160485238,"endHours":18.813591160485238,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:36","startHours":23.922392917884984,"endHours":24.596292698210014,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:12","end":"08:28","startHours":7.205094455609762,"endHours":8.468656543719197,"quality":"auspicious"},{"name":"Kāla","start":"08:28","end":"09:44","startHours":8.468656543719197,"endHours":9.732218631828632,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:00","startHours":9.732218631828632,"endHours":10.995780719938065,"quality":"auspicious"},{"name":"Roga","start":"11:00","end":"12:16","startHours":10.995780719938065,"endHours":12.2593428080475,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:31","startHours":12.2593428080475,"endHours":13.522904896156934,"quality":"inauspicious"},{"name":"Chala","start":"13:31","end":"14:47","startHours":13.522904896156934,"endHours":14.786466984266369,"quality":"neutral"},{"name":"Labha","start":"14:47","end":"16:03","startHours":14.786466984266369,"endHours":16.050029072375803,"quality":"auspicious"},{"name":"Amṛta","start":"16:03","end":"17:19","startHours":16.050029072375803,"endHours":17.313591160485238,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:19","end":"19:03","startHours":17.313591160485238,"endHours":19.050029072375803,"quality":"neutral"},{"name":"Labha","start":"19:03","end":"20:47","startHours":19.050029072375803,"endHours":20.78646698426637,"quality":"auspicious"},{"name":"Amṛta","start":"20:47","end":"22:31","startHours":20.78646698426637,"endHours":22.522904896156934,"quality":"auspicious"},{"name":"Kāla","start":"22:31","end":"00:16","startHours":22.522904896156934,"endHours":24.2593428080475,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"02:00","startHours":24.2593428080475,"endHours":25.995780719938068,"quality":"auspicious"},{"name":"Roga","start":"02:00","end":"03:44","startHours":25.995780719938068,"endHours":27.73221863182863,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:28","startHours":27.73221863182863,"endHours":29.4686565437192,"quality":"inauspicious"},{"name":"Chala","start":"05:28","end":"07:12","startHours":29.4686565437192,"endHours":31.20509445560976,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:12","end":"08:12","startHours":7.205094455609762,"endHours":8.205094455609762,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:12","end":"09:12","startHours":8.205094455609762,"endHours":9.205094455609762,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:12","end":"10:12","startHours":9.205094455609762,"endHours":10.205094455609762,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:12","end":"11:12","startHours":10.205094455609762,"endHours":11.205094455609762,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:12","end":"12:12","startHours":11.205094455609762,"endHours":12.205094455609762,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:12","end":"13:12","startHours":12.205094455609762,"endHours":13.205094455609762,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:12","end":"14:12","startHours":13.205094455609762,"endHours":14.205094455609762,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:12","end":"15:12","startHours":14.205094455609762,"endHours":15.205094455609762,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:12","end":"16:12","startHours":15.205094455609762,"endHours":16.20509445560976,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:12","end":"17:12","startHours":16.20509445560976,"endHours":17.20509445560976,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:12","end":"18:12","startHours":17.20509445560976,"endHours":18.20509445560976,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:12","end":"19:12","startHours":18.20509445560976,"endHours":19.20509445560976,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:12","end":"20:12","startHours":19.20509445560976,"endHours":20.20509445560976,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:12","end":"21:12","startHours":20.20509445560976,"endHours":21.20509445560976,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:12","end":"22:12","startHours":21.20509445560976,"endHours":22.20509445560976,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:12","end":"23:12","startHours":22.20509445560976,"endHours":23.20509445560976,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:12","end":"00:12","startHours":23.20509445560976,"endHours":24.20509445560976,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:12","end":"01:12","startHours":24.20509445560976,"endHours":25.20509445560976,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:12","end":"02:12","startHours":25.20509445560976,"endHours":26.20509445560976,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:12","end":"03:12","startHours":26.20509445560976,"endHours":27.20509445560976,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:12","end":"04:12","startHours":27.20509445560976,"endHours":28.20509445560976,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:12","end":"05:12","startHours":28.20509445560976,"endHours":29.20509445560976,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:12","end":"06:12","startHours":29.20509445560976,"endHours":30.20509445560976,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:12","end":"07:12","startHours":30.20509445560976,"endHours":31.20509445560976,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.9178724947401,"eotMinutes":0.9974315171499422,"ayanamsa":23.8172}},"calendars":{"vikram_samvat":2054,"vikram_samvatsara":"Vikṛti","saka_samvat":1919,"saka_samvatsara":"Īśvara","bengali_samvat":1404,"malayalam_era":1173,"nanakshahi_year":528,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Jyeṣṭha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Caturthī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Vināyaka Caturthī (monthly) is not live yet; 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 9, 1997 CE · Perth, Australia · Vidhyamitra","description":"June 9, 1997 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:12, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1997-06-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1997-06-09","sa":"https://sa.vidhyamitra.com/city/perth/1997-06-09","hi":"https://hi.vidhyamitra.com/city/perth/1997-06-09","x-default":"https://vidhyamitra.com/city/perth/1997-06-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-03T16:14:34.039Z","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":"2026-09-03T16:14:34.039Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-03T16:14:34.039Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}