{"id":"vidhyamitra:city-day:perth:2031-05-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2031-05-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-05-08","date_display":"May 8, 2031 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":2031,"month":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462994.770833,"kali_year":5133,"ahargana":1874529.2708,"sun":{"sidereal_longitude":22.9442,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":213.2496,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.3055,"elapsed_within_tithi_degrees":10.3055},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":213.2496,"elapsed_within_degrees":13.2496},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.1938},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2031,"month":5,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462994.770833,"ahargana":1874529.2708,"kali_year":5133,"ayanamsa_lahiri":24.2909,"grahas":{"sun":{"sidereal_longitude":22.990644999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":215.03344500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false,"latitude":-0.405},"mars":{"sidereal_longitude":197.78464499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":356.354245,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":243.91874500000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"venus":{"sidereal_longitude":66.14934500000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":44.61844500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":218.4184,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.4184,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"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":2031,"month":5,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462994.770833,"kali_year":5133,"ahargana":1874529.2708,"sun":{"sidereal_longitude":22.9442,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":213.2496,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":190.3055,"elapsed_within_tithi_degrees":10.3055},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":213.2496,"elapsed_within_degrees":13.2496},"yoga":{"number":18,"name":"Varīyān","sum_longitude":236.1938},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.405,"elongation":169.695},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.405,"opposition_distance":10.305}},"eclipse_window_40days":[{"offset_days":-1,"type":"lunar","occurs":true,"moon_latitude":-1.488,"opposition_distance":2.834},{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":0.298,"elongation":1.486}]},"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":"06:53","sunsetLocal":"17:33","solarNoonLocal":"12:13","dayLengthHours":10.674444558576333,"dayLengthDisplay":"10 Hours 40 Mins 28 Secs","nightLengthDisplay":"13 Hours 19 Mins 32 Secs","moonriseLocal":"18:06","moonsetLocal":"07:57","rahuKala":{"name":"Rāhu Kāla","start":"13:33","end":"14:53","startHours":13.55066438445686,"endHours":14.884969954278901,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:53","end":"08:13","startHours":6.879136535346652,"endHours":8.213442105168694,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:33","end":"10:53","startHours":9.547747674990735,"endHours":10.882053244812777,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:44","startHours":9.36984026568113,"endHours":9.72565508430034,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.323905058620666,"endHours":7.608556913516035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.86054399601561,"endHours":12.57217363325403,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:10","startHours":5.455877260869808,"endHours":6.16750689810823,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:53","startHours":5.989599488798625,"endHours":6.879136535346652,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:42","startHours":13.995432907730875,"endHours":14.707062544969297,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.353581093922987,"endHours":17.753581093922985,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"18:00","startHours":17.553581093922986,"endHours":17.998349617197,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.303581093922986,"endHours":19.053581093922986,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.860543996015608,"endHours":24.57217363325403,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:53","end":"08:13","startHours":6.879136535346652,"endHours":8.213442105168694,"quality":"auspicious"},{"name":"Roga","start":"08:13","end":"09:33","startHours":8.213442105168694,"endHours":9.547747674990735,"quality":"inauspicious"},{"name":"Udveg","start":"09:33","end":"10:53","startHours":9.547747674990735,"endHours":10.882053244812777,"quality":"inauspicious"},{"name":"Chala","start":"10:53","end":"12:13","startHours":10.882053244812777,"endHours":12.21635881463482,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:33","startHours":12.21635881463482,"endHours":13.55066438445686,"quality":"auspicious"},{"name":"Amṛta","start":"13:33","end":"14:53","startHours":13.55066438445686,"endHours":14.884969954278901,"quality":"auspicious"},{"name":"Kāla","start":"14:53","end":"16:13","startHours":14.884969954278901,"endHours":16.219275524100944,"quality":"inauspicious"},{"name":"Śubha","start":"16:13","end":"17:33","startHours":16.219275524100944,"endHours":17.553581093922986,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:33","end":"19:13","startHours":17.553581093922986,"endHours":19.219275524100944,"quality":"auspicious"},{"name":"Kāla","start":"19:13","end":"20:53","startHours":19.219275524100944,"endHours":20.8849699542789,"quality":"inauspicious"},{"name":"Śubha","start":"20:53","end":"22:33","startHours":20.8849699542789,"endHours":22.550664384456862,"quality":"auspicious"},{"name":"Roga","start":"22:33","end":"00:13","startHours":22.550664384456862,"endHours":24.21635881463482,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:53","startHours":24.21635881463482,"endHours":25.882053244812777,"quality":"inauspicious"},{"name":"Chala","start":"01:53","end":"03:33","startHours":25.882053244812777,"endHours":27.547747674990738,"quality":"neutral"},{"name":"Labha","start":"03:33","end":"05:13","startHours":27.547747674990738,"endHours":29.213442105168696,"quality":"auspicious"},{"name":"Amṛta","start":"05:13","end":"06:53","startHours":29.213442105168696,"endHours":30.879136535346653,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.879136535346652,"endHours":7.879136535346652,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.879136535346652,"endHours":8.879136535346653,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.879136535346653,"endHours":9.879136535346653,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.879136535346653,"endHours":10.879136535346653,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.879136535346653,"endHours":11.879136535346653,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.879136535346653,"endHours":12.879136535346653,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.879136535346653,"endHours":13.879136535346653,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.879136535346653,"endHours":14.879136535346653,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.879136535346653,"endHours":15.879136535346653,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.879136535346653,"endHours":16.879136535346653,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.879136535346653,"endHours":17.879136535346653,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.879136535346653,"endHours":18.879136535346653,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.879136535346653,"endHours":19.879136535346653,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.879136535346653,"endHours":20.879136535346653,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.879136535346653,"endHours":21.879136535346653,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.879136535346653,"endHours":22.879136535346653,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.879136535346653,"endHours":23.879136535346653,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.879136535346653,"endHours":24.879136535346653,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.879136535346653,"endHours":25.879136535346653,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.879136535346653,"endHours":26.879136535346653,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.879136535346653,"endHours":27.879136535346653,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.879136535346653,"endHours":28.879136535346653,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.879136535346653,"endHours":29.879136535346653,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.879136535346653,"endHours":30.879136535346653,"planetary_lord":"Moon"}],"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","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":16.99046149081957,"eotMinutes":3.576471121910833,"ayanamsa":24.2909}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pratipada · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"narada-jayanti","name":"Bhagavān Nārada Jayantī","name_sanskrit":"भगवान् नारद जयन्ती","tradition":"Vaishnava","associated_deity":"Devarṣi Nārada (ādi-bhakta · Vyāsa's guru)","significance":"Manifestation of Devarṣi Nārada — ādi-bhakta and tri-loka-saṅcāri who instructed Vyāsa to compose Śrīmad Bhāgavata. Without Nārada, no Bhāgavata; without Bhāgavata, no Krishna-tattva-pratiṣṭhā in Kali Yuga. Falls on Vaiśākha Kṛṣṇa Pratipadā (day after Buddha Pūrṇimā).","vrata":true,"primary_observance":"Recitation of Nārada-Bhakti-Sūtra; meditation on Krishna as taught by Nārada to Vyāsa (Bhāgavata 1.5)","detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Vaiśākha"},"precedence":1,"sources":["Bhāgavata Purāṇa 1.5-6 (Nārada-Vyāsa-saṁvāda)","Nārada-Bhakti-Sūtra"]},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 8, 2031 CE · Perth, Australia · Vidhyamitra","description":"May 8, 2031 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 06:53, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2031-05-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2031-05-08","sa":"https://sa.vidhyamitra.com/city/perth/2031-05-08","hi":"https://hi.vidhyamitra.com/city/perth/2031-05-08","x-default":"https://vidhyamitra.com/city/perth/2031-05-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:45:07.358Z","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":"2026-05-15T01:45:07.358Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:45:07.358Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}