{"id":"vidhyamitra:city-day:perth:1997-05-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1997-05-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1997-05-30","date_display":"May 30, 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":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450598.770833,"kali_year":5099,"ahargana":1862133.2708,"sun":{"sidereal_longitude":44.7593,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":324.3487,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.5894,"elapsed_within_tithi_degrees":3.5894},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3487,"elapsed_within_degrees":4.3487},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.108},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":5,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450598.770833,"ahargana":1862133.2708,"kali_year":5099,"ayanamsa_lahiri":23.8168,"grahas":{"sun":{"sidereal_longitude":44.86596300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":324.2151630000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":0.8477},"mars":{"sidereal_longitude":148.509163,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":20.79276299999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":297.9668630000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":59.96326299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":353.31476299999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":155.2181,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.2181,"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":5,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450598.770833,"kali_year":5099,"ahargana":1862133.2708,"sun":{"sidereal_longitude":44.7593,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":324.3487,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.5894,"elapsed_within_tithi_degrees":3.5894},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2,"moon_longitude":324.3487,"elapsed_within_degrees":4.3487},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":9.108},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.848,"elongation":80.411},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.848,"opposition_distance":99.589}},"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":"07:07","sunsetLocal":"17:21","solarNoonLocal":"12:14","dayLengthHours":10.224364219082538,"dayLengthDisplay":"10 Hours 13 Mins 28 Secs","nightLengthDisplay":"13 Hours 46 Mins 32 Secs","moonriseLocal":"00:37","moonsetLocal":"13:06","rahuKala":{"name":"Rāhu Kāla","start":"10:57","end":"12:14","startHours":10.953966743754124,"endHours":12.232012271139443,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:04","startHours":14.788103325910075,"endHours":16.066148853295395,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:24","end":"09:41","startHours":8.39787568898349,"endHours":9.675921216368806,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.505515146050765,"endHours":9.846327286686849,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.545845337393279,"endHours":7.818495049902146,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.891200130503359,"endHours":12.572824411775526,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.756581599053834,"endHours":6.438205880326003,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:07","startHours":6.267799810007961,"endHours":7.1198301615981725,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.936072974319865,"endHours":14.617697255592034,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.144194380680712,"endHours":17.54419438068071,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.34419438068071,"endHours":17.770209556475816,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.09419438068071,"endHours":18.84419438068071,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.891200130503357,"endHours":24.572824411775528,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:07","end":"08:24","startHours":7.1198301615981725,"endHours":8.39787568898349,"quality":"neutral"},{"name":"Labha","start":"08:24","end":"09:41","startHours":8.39787568898349,"endHours":9.675921216368806,"quality":"auspicious"},{"name":"Amṛta","start":"09:41","end":"10:57","startHours":9.675921216368806,"endHours":10.953966743754124,"quality":"auspicious"},{"name":"Kāla","start":"10:57","end":"12:14","startHours":10.953966743754124,"endHours":12.232012271139443,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:31","startHours":12.232012271139443,"endHours":13.510057798524759,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:47","startHours":13.510057798524759,"endHours":14.788103325910075,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:04","startHours":14.788103325910075,"endHours":16.066148853295395,"quality":"inauspicious"},{"name":"Chala","start":"16:04","end":"17:21","startHours":16.066148853295395,"endHours":17.34419438068071,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:21","end":"19:04","startHours":17.34419438068071,"endHours":19.066148853295395,"quality":"inauspicious"},{"name":"Udveg","start":"19:04","end":"20:47","startHours":19.066148853295395,"endHours":20.78810332591008,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:31","startHours":20.78810332591008,"endHours":22.51005779852476,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:14","startHours":22.51005779852476,"endHours":24.232012271139443,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:57","startHours":24.232012271139443,"endHours":25.953966743754126,"quality":"auspicious"},{"name":"Kāla","start":"01:57","end":"03:41","startHours":25.953966743754126,"endHours":27.675921216368806,"quality":"inauspicious"},{"name":"Śubha","start":"03:41","end":"05:24","startHours":27.675921216368806,"endHours":29.39787568898349,"quality":"auspicious"},{"name":"Roga","start":"05:24","end":"07:07","startHours":29.39787568898349,"endHours":31.119830161598173,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.1198301615981725,"endHours":8.119830161598173,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.119830161598173,"endHours":9.119830161598173,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.119830161598173,"endHours":10.119830161598173,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.119830161598173,"endHours":11.119830161598173,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.119830161598173,"endHours":12.119830161598173,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.119830161598173,"endHours":13.119830161598173,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.119830161598173,"endHours":14.119830161598173,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.119830161598173,"endHours":15.119830161598173,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.119830161598173,"endHours":16.119830161598173,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.119830161598173,"endHours":17.119830161598173,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.119830161598173,"endHours":18.119830161598173,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.119830161598173,"endHours":19.119830161598173,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.119830161598173,"endHours":20.119830161598173,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.119830161598173,"endHours":21.119830161598173,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.119830161598173,"endHours":22.119830161598173,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.119830161598173,"endHours":23.119830161598173,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.119830161598173,"endHours":24.119830161598173,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.119830161598173,"endHours":25.119830161598173,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.119830161598173,"endHours":26.119830161598173,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.119830161598173,"endHours":27.119830161598173,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.119830161598173,"endHours":28.119830161598173,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.119830161598173,"endHours":29.119830161598173,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.119830161598173,"endHours":30.119830161598173,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.119830161598173,"endHours":31.119830161598173,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.74771302018235,"eotMinutes":2.6372637316334417,"ayanamsa":23.8168}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","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 Kṛṣṇa Navamī · Vikram 2054 Vikṛti · Śaka 1919 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 May 30, 1997 CE · Perth, Australia · Vidhyamitra","description":"May 30, 1997 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 07:07, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1997-05-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1997-05-30","sa":"https://sa.vidhyamitra.com/city/perth/1997-05-30","hi":"https://hi.vidhyamitra.com/city/perth/1997-05-30","x-default":"https://vidhyamitra.com/city/perth/1997-05-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-04T08:14:00.632Z","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":"2026-09-04T08:14:00.632Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-04T08:14:00.632Z","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"}}}