{"id":"vidhyamitra:city-day:perth:1978-10-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1978-10-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-10-29","date_display":"October 29, 1978 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":1978,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443810.770833,"kali_year":5080,"ahargana":1855345.2708,"sun":{"sidereal_longitude":191.06,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":156.5161,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.4561,"elapsed_within_tithi_degrees":1.4561},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.5161,"elapsed_within_degrees":9.8494},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.5761},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1978,"month":10,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443810.770833,"ahargana":1855345.2708,"kali_year":5080,"ayanamsa_lahiri":23.5572,"grahas":{"sun":{"sidereal_longitude":191.70451500000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":157.68341499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":0.1284},"mars":{"sidereal_longitude":213.837715,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":209.24041499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":103.97661499999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"venus":{"sidereal_longitude":207.327315,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":137.453415,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":154.879,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":334.879,"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":1978,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443810.770833,"kali_year":5080,"ahargana":1855345.2708,"sun":{"sidereal_longitude":191.06,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":156.5161,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.4561,"elapsed_within_tithi_degrees":1.4561},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.5161,"elapsed_within_degrees":9.8494},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.5761},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.128,"elongation":34.544},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.128,"opposition_distance":145.456}},"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":"05:22","sunsetLocal":"18:38","solarNoonLocal":"12:00","dayLengthHours":13.2642806203487,"dayLengthDisplay":"13 Hours 15 Mins 51 Secs","nightLengthDisplay":"10 Hours 44 Mins 09 Secs","moonriseLocal":"03:40","moonsetLocal":"15:48","rahuKala":{"name":"Rāhu Kāla","start":"16:59","end":"18:38","startHours":16.97618198464704,"endHours":18.63421706219063,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:00","end":"13:40","startHours":12.00207675201628,"endHours":13.660111829559867,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:59","startHours":15.318146907103454,"endHours":16.97618198464704,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:54","startHours":8.464935253256627,"endHours":8.907077940601583,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:17","startHours":5.922614801023126,"endHours":6.276328950899091,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.559934064671323,"endHours":12.444219439361236,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:29","startHours":3.6013656924621036,"endHours":4.485651067152017,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:22","startHours":4.264579723479539,"endHours":5.36993644184193,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:06","startHours":14.212790188741064,"endHours":15.097075563430977,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.43421706219063,"endHours":18.83421706219063,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:11","startHours":18.63421706219063,"endHours":19.186895421371826,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38421706219063,"endHours":20.13421706219063,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.55993406467132,"endHours":24.444219439361238,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:22","end":"07:02","startHours":5.36993644184193,"endHours":7.027971519385518,"quality":"inauspicious"},{"name":"Chala","start":"07:02","end":"08:41","startHours":7.027971519385518,"endHours":8.686006596929104,"quality":"neutral"},{"name":"Labha","start":"08:41","end":"10:21","startHours":8.686006596929104,"endHours":10.344041674472692,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"12:00","startHours":10.344041674472692,"endHours":12.00207675201628,"quality":"auspicious"},{"name":"Kāla","start":"12:00","end":"13:40","startHours":12.00207675201628,"endHours":13.660111829559867,"quality":"inauspicious"},{"name":"Śubha","start":"13:40","end":"15:19","startHours":13.660111829559867,"endHours":15.318146907103454,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:59","startHours":15.318146907103454,"endHours":16.97618198464704,"quality":"inauspicious"},{"name":"Udveg","start":"16:59","end":"18:38","startHours":16.97618198464704,"endHours":18.63421706219063,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:38","end":"19:59","startHours":18.63421706219063,"endHours":19.97618198464704,"quality":"auspicious"},{"name":"Roga","start":"19:59","end":"21:19","startHours":19.97618198464704,"endHours":21.318146907103454,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:40","startHours":21.318146907103454,"endHours":22.660111829559867,"quality":"inauspicious"},{"name":"Chala","start":"22:40","end":"00:00","startHours":22.660111829559867,"endHours":24.00207675201628,"quality":"neutral"},{"name":"Labha","start":"00:00","end":"01:21","startHours":24.00207675201628,"endHours":25.34404167447269,"quality":"auspicious"},{"name":"Amṛta","start":"01:21","end":"02:41","startHours":25.34404167447269,"endHours":26.686006596929104,"quality":"auspicious"},{"name":"Kāla","start":"02:41","end":"04:02","startHours":26.686006596929104,"endHours":28.027971519385517,"quality":"inauspicious"},{"name":"Śubha","start":"04:02","end":"05:22","startHours":28.027971519385517,"endHours":29.36993644184193,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.36993644184193,"endHours":6.36993644184193,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.36993644184193,"endHours":7.36993644184193,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.36993644184193,"endHours":8.36993644184193,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.36993644184193,"endHours":9.36993644184193,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.36993644184193,"endHours":10.36993644184193,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.36993644184193,"endHours":11.36993644184193,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.36993644184193,"endHours":12.36993644184193,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.36993644184193,"endHours":13.36993644184193,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.36993644184193,"endHours":14.36993644184193,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.36993644184193,"endHours":15.36993644184193,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.36993644184193,"endHours":16.36993644184193,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.36993644184193,"endHours":17.36993644184193,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.36993644184193,"endHours":18.36993644184193,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.36993644184193,"endHours":19.36993644184193,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.36993644184193,"endHours":20.36993644184193,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.36993644184193,"endHours":21.36993644184193,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.36993644184193,"endHours":22.36993644184193,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.36993644184193,"endHours":23.36993644184193,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.36993644184193,"endHours":24.36993644184193,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.36993644184193,"endHours":25.36993644184193,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.36993644184193,"endHours":26.36993644184193,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.36993644184193,"endHours":27.36993644184193,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.36993644184193,"endHours":28.36993644184193,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.36993644184193,"endHours":29.36993644184193,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.274452373610398,"eotMinutes":16.433394879023222,"ayanamsa":23.5572}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Trayodaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[{"id":"dhanteras","name":"Dhanteras (Dhanvantari Jayantī)","name_sanskrit":"धनतेरस / धन्वन्तरि जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dhanvantari (Āyurveda-deva, avatāra of Viṣṇu)","significance":"Birth of Dhanvantari from samudra-mathana with amṛta-kalaśa. Day 1 of Diwali.","vrata":true,"detection":{"tithi_number":28,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 8.8.32-34"]},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"Dedicated festival walk for Dhanteras (Dhanvantari Jayantī) · Pradoṣa Vrata is not live yet; 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 October 29, 1978 CE · Perth, Australia · Vidhyamitra","description":"October 29, 1978 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 05:22, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1978-10-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1978-10-29","sa":"https://sa.vidhyamitra.com/city/perth/1978-10-29","hi":"https://hi.vidhyamitra.com/city/perth/1978-10-29","x-default":"https://vidhyamitra.com/city/perth/1978-10-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T06:02:51.803Z","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":"2026-09-05T06:02:51.803Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T06:02:51.803Z","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"}}}