{"id":"vidhyamitra:city-day:perth:1990-04-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-04-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-04-29","date_display":"April 29, 1990 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":1990,"month":4,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448010.770833,"kali_year":5092,"ahargana":1859545.2708,"sun":{"sidereal_longitude":14.8507,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":65.9341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.0834,"elapsed_within_tithi_degrees":3.0834},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9341,"elapsed_within_degrees":12.6008},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.7848},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1990,"month":4,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448010.770833,"ahargana":1859545.2708,"kali_year":5092,"ayanamsa_lahiri":23.7178,"grahas":{"sun":{"sidereal_longitude":14.757143999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":68.90934400000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":3.2576},"mars":{"sidereal_longitude":312.45854399999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":22.728244000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":72.99524400000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":330.738644,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":271.366044,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":292.3428,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.3428,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":4,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448010.770833,"kali_year":5092,"ahargana":1859545.2708,"sun":{"sidereal_longitude":14.8507,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":65.9341,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.0834,"elapsed_within_tithi_degrees":3.0834},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.9341,"elapsed_within_degrees":12.6008},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.7848},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.258,"elongation":51.083},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.258,"opposition_distance":128.917}},"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":"06:46","sunsetLocal":"17:41","solarNoonLocal":"12:14","dayLengthHours":10.914590917836922,"dayLengthDisplay":"10 Hours 54 Mins 53 Secs","nightLengthDisplay":"13 Hours 05 Mins 07 Secs","moonriseLocal":"10:50","moonsetLocal":"20:51","rahuKala":{"name":"Rāhu Kāla","start":"16:19","end":"17:41","startHours":16.324879199787663,"endHours":17.689203064517276,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:14","end":"13:36","startHours":12.231907605598817,"endHours":13.59623147032843,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:58","end":"16:19","startHours":14.960555335058046,"endHours":16.324879199787663,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:19","end":"09:41","startHours":9.32135002750897,"endHours":9.685169724770201,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:31","startHours":7.2293867682568935,"endHours":7.520442526065878,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.868087908337584,"endHours":12.595727302860046,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:19","end":"06:03","startHours":5.319333357635433,"endHours":6.0469727521578935,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:46","startHours":5.865062903527279,"endHours":6.774612146680355,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:47","startHours":14.05100609190497,"endHours":14.77864548642743,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:29","end":"17:53","startHours":17.489203064517277,"endHours":17.889203064517275,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:41","end":"18:09","startHours":17.689203064517276,"endHours":18.143977686093816,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:26","end":"19:11","startHours":17.439203064517276,"endHours":19.189203064517276,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.868087908337582,"endHours":24.595727302860045,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:46","end":"08:08","startHours":6.774612146680355,"endHours":8.138936011409971,"quality":"inauspicious"},{"name":"Chala","start":"08:08","end":"09:30","startHours":8.138936011409971,"endHours":9.503259876139586,"quality":"neutral"},{"name":"Labha","start":"09:30","end":"10:52","startHours":9.503259876139586,"endHours":10.8675837408692,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:14","startHours":10.8675837408692,"endHours":12.231907605598817,"quality":"auspicious"},{"name":"Kāla","start":"12:14","end":"13:36","startHours":12.231907605598817,"endHours":13.59623147032843,"quality":"inauspicious"},{"name":"Śubha","start":"13:36","end":"14:58","startHours":13.59623147032843,"endHours":14.960555335058046,"quality":"auspicious"},{"name":"Roga","start":"14:58","end":"16:19","startHours":14.960555335058046,"endHours":16.324879199787663,"quality":"inauspicious"},{"name":"Udveg","start":"16:19","end":"17:41","startHours":16.324879199787663,"endHours":17.689203064517276,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:41","end":"19:19","startHours":17.689203064517276,"endHours":19.32487919978766,"quality":"auspicious"},{"name":"Roga","start":"19:19","end":"20:58","startHours":19.32487919978766,"endHours":20.960555335058046,"quality":"inauspicious"},{"name":"Udveg","start":"20:58","end":"22:36","startHours":20.960555335058046,"endHours":22.59623147032843,"quality":"inauspicious"},{"name":"Chala","start":"22:36","end":"00:14","startHours":22.59623147032843,"endHours":24.231907605598813,"quality":"neutral"},{"name":"Labha","start":"00:14","end":"01:52","startHours":24.231907605598813,"endHours":25.8675837408692,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:30","startHours":25.8675837408692,"endHours":27.503259876139584,"quality":"auspicious"},{"name":"Kāla","start":"03:30","end":"05:08","startHours":27.503259876139584,"endHours":29.138936011409967,"quality":"inauspicious"},{"name":"Śubha","start":"05:08","end":"06:46","startHours":29.138936011409967,"endHours":30.774612146680354,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.774612146680355,"endHours":7.774612146680355,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.774612146680355,"endHours":8.774612146680354,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.774612146680354,"endHours":9.774612146680354,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.774612146680354,"endHours":10.774612146680354,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.774612146680354,"endHours":11.774612146680354,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.774612146680354,"endHours":12.774612146680354,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.774612146680354,"endHours":13.774612146680354,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.774612146680354,"endHours":14.774612146680354,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.774612146680354,"endHours":15.774612146680354,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.774612146680354,"endHours":16.774612146680354,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.774612146680354,"endHours":17.774612146680354,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.774612146680354,"endHours":18.774612146680354,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.774612146680354,"endHours":19.774612146680354,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.774612146680354,"endHours":20.774612146680354,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.774612146680354,"endHours":21.774612146680354,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.774612146680354,"endHours":22.774612146680354,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.774612146680354,"endHours":23.774612146680354,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.774612146680354,"endHours":24.774612146680354,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.774612146680354,"endHours":25.774612146680354,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.774612146680354,"endHours":26.774612146680354,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.774612146680354,"endHours":27.774612146680354,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.774612146680354,"endHours":28.774612146680354,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.774612146680354,"endHours":29.774612146680354,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.774612146680354,"endHours":30.774612146680354,"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":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":14.327148480628487,"eotMinutes":2.643543664071059,"ayanamsa":23.7178}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pañcamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"shankara-jayanti","name":"Ādi Śaṅkarācārya Jayantī","name_sanskrit":"आदि शङ्कराचार्य जयन्ती","tradition":"Smarta","associated_deity":"Ādi Śaṅkarācārya","significance":"Birth of Ādi Śaṅkara at Kāladī, Kerala; Advaita-pratiṣṭhāpaka.","vrata":false,"detection":{"tithi_number":5,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"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 April 29, 1990 CE · Perth, Australia · Vidhyamitra","description":"April 29, 1990 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 06:46, sūryāsta 17:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-04-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-04-29","sa":"https://sa.vidhyamitra.com/city/perth/1990-04-29","hi":"https://hi.vidhyamitra.com/city/perth/1990-04-29","x-default":"https://vidhyamitra.com/city/perth/1990-04-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:32:35.220Z","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":"2026-05-31T16:32:35.220Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:32:35.220Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}