{"id":"vidhyamitra:city-day:perth:1998-05-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1998-05-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1998-05-29","date_display":"May 29, 1998 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":1998,"month":5,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450962.770833,"kali_year":5100,"ahargana":1862497.2708,"sun":{"sidereal_longitude":43.5603,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":85.9771,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4168,"elapsed_within_tithi_degrees":6.4168},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.9771,"elapsed_within_degrees":5.9771},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.5374},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1998,"month":5,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2450962.770833,"ahargana":1862497.2708,"kali_year":5100,"ayanamsa_lahiri":23.8307,"grahas":{"sun":{"sidereal_longitude":43.66155600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":86.29265600000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":-3.4434},"mars":{"sidereal_longitude":39.69715600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":29.457255999999973,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":330.437956,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":5.123556000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":4.990856000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":135.9316,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":315.9316,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"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":1998,"month":5,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2450962.770833,"kali_year":5100,"ahargana":1862497.2708,"sun":{"sidereal_longitude":43.5603,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":85.9771,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.4168,"elapsed_within_tithi_degrees":6.4168},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.9771,"elapsed_within_degrees":5.9771},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":129.5374},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.443,"elongation":42.417},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.443,"opposition_distance":137.583}},"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":10.242975078617372,"dayLengthDisplay":"10 Hours 14 Mins 35 Secs","nightLengthDisplay":"13 Hours 45 Mins 25 Secs","moonriseLocal":"09:59","moonsetLocal":"20:09","rahuKala":{"name":"Rāhu Kāla","start":"10:57","end":"12:14","startHours":10.949459833148829,"endHours":12.229831717976001,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:04","startHours":14.790575487630344,"endHours":16.070947372457514,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:23","end":"09:40","startHours":8.388716063494487,"endHours":9.669087948321657,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:50","startHours":9.498371697011368,"endHours":9.839804199631947,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:48","startHours":7.535134806943038,"endHours":7.808280809039501,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:34","startHours":11.888399215355422,"endHours":12.57126422059658,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:26","startHours":5.742614168184998,"endHours":6.425479173426156,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:07","startHours":6.254762922115867,"endHours":7.1083441786673145,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.936994231078895,"endHours":14.619859236320053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.151319257284687,"endHours":17.551319257284685,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:47","startHours":17.351319257284686,"endHours":17.77810988556041,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.101319257284686,"endHours":18.851319257284686,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:34","startHours":23.888399215355424,"endHours":24.57126422059658,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:07","end":"08:23","startHours":7.1083441786673145,"endHours":8.388716063494487,"quality":"neutral"},{"name":"Labha","start":"08:23","end":"09:40","startHours":8.388716063494487,"endHours":9.669087948321657,"quality":"auspicious"},{"name":"Amṛta","start":"09:40","end":"10:57","startHours":9.669087948321657,"endHours":10.949459833148829,"quality":"auspicious"},{"name":"Kāla","start":"10:57","end":"12:14","startHours":10.949459833148829,"endHours":12.229831717976001,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:31","startHours":12.229831717976001,"endHours":13.510203602803172,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:47","startHours":13.510203602803172,"endHours":14.790575487630344,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:04","startHours":14.790575487630344,"endHours":16.070947372457514,"quality":"inauspicious"},{"name":"Chala","start":"16:04","end":"17:21","startHours":16.070947372457514,"endHours":17.351319257284686,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:21","end":"19:04","startHours":17.351319257284686,"endHours":19.070947372457514,"quality":"inauspicious"},{"name":"Udveg","start":"19:04","end":"20:47","startHours":19.070947372457514,"endHours":20.790575487630342,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:31","startHours":20.790575487630342,"endHours":22.510203602803173,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:14","startHours":22.510203602803173,"endHours":24.229831717976,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:57","startHours":24.229831717976,"endHours":25.94945983314883,"quality":"auspicious"},{"name":"Kāla","start":"01:57","end":"03:40","startHours":25.94945983314883,"endHours":27.669087948321657,"quality":"inauspicious"},{"name":"Śubha","start":"03:40","end":"05:23","startHours":27.669087948321657,"endHours":29.388716063494485,"quality":"auspicious"},{"name":"Roga","start":"05:23","end":"07:07","startHours":29.388716063494485,"endHours":31.108344178667316,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.1083441786673145,"endHours":8.108344178667314,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.108344178667314,"endHours":9.108344178667314,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.108344178667314,"endHours":10.108344178667314,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.108344178667314,"endHours":11.108344178667314,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.108344178667314,"endHours":12.108344178667314,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.108344178667314,"endHours":13.108344178667314,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.108344178667314,"endHours":14.108344178667314,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.108344178667314,"endHours":15.108344178667314,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.108344178667314,"endHours":16.108344178667316,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.108344178667316,"endHours":17.108344178667316,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.108344178667316,"endHours":18.108344178667316,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.108344178667316,"endHours":19.108344178667316,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.108344178667316,"endHours":20.108344178667316,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.108344178667316,"endHours":21.108344178667316,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.108344178667316,"endHours":22.108344178667316,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.108344178667316,"endHours":23.108344178667316,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.108344178667316,"endHours":24.108344178667316,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.108344178667316,"endHours":25.108344178667316,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.108344178667316,"endHours":26.108344178667316,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.108344178667316,"endHours":27.108344178667316,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.108344178667316,"endHours":28.108344178667316,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.108344178667316,"endHours":29.108344178667316,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.108344178667316,"endHours":30.108344178667316,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.108344178667316,"endHours":31.108344178667316,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","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":21.557594206295466,"eotMinutes":2.7680969214399593,"ayanamsa":23.8307}},"calendars":{"vikram_samvat":2055,"vikram_samvatsara":"Khara","saka_samvat":1920,"saka_samvatsara":"Bahudhānya","bengali_samvat":1405,"malayalam_era":1174,"nanakshahi_year":529,"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 2055 Khara · Śaka 1920 Bahudhānya"},"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":"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 29, 1998 CE · Perth, Australia · Vidhyamitra","description":"May 29, 1998 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:07, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1998-05-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1998-05-29","sa":"https://sa.vidhyamitra.com/city/perth/1998-05-29","hi":"https://hi.vidhyamitra.com/city/perth/1998-05-29","x-default":"https://vidhyamitra.com/city/perth/1998-05-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:42:17.750Z","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":"2026-05-30T22:42:17.750Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:42:17.750Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}