{"id":"vidhyamitra:city-day:perth:2135-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2135-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2135-05-31","date_display":"May 31, 2135 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":2135,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501002.770833,"kali_year":5237,"ahargana":1912537.2708,"sun":{"sidereal_longitude":43.1319,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":270.6727,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.5408,"elapsed_within_tithi_degrees":11.5408},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.6727,"elapsed_within_degrees":4.006},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.8046},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2135,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501002.770833,"ahargana":1912537.2708,"kali_year":5237,"ayanamsa_lahiri":25.7446,"grahas":{"sun":{"sidereal_longitude":43.554959999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":271.09726,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-4.4896},"mars":{"sidereal_longitude":359.68266,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":16.869259999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":148.50045999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":83.39436,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":242.88146000000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":4.5716,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.5716,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2135,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501002.770833,"kali_year":5237,"ahargana":1912537.2708,"sun":{"sidereal_longitude":43.1319,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":270.6727,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":227.5408,"elapsed_within_tithi_degrees":11.5408},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.6727,"elapsed_within_degrees":4.006},"yoga":{"number":24,"name":"Śukla","sum_longitude":313.8046},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.49,"elongation":132.459},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.49,"opposition_distance":47.541}},"eclipse_window_40days":[{"offset_days":-18,"type":"solar","occurs":true,"moon_latitude":1.438,"elongation":1.733}]},"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":"07:08","sunsetLocal":"17:21","solarNoonLocal":"12:14","dayLengthHours":10.21507016079834,"dayLengthDisplay":"10 Hours 12 Mins 54 Secs","nightLengthDisplay":"13 Hours 47 Mins 06 Secs","moonriseLocal":"20:26","moonsetLocal":"10:22","rahuKala":{"name":"Rāhu Kāla","start":"14:47","end":"16:04","startHours":14.788074760897254,"endHours":16.064958530997046,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:41","end":"10:57","startHours":9.680539680498084,"endHours":10.957423450597876,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:14","end":"13:31","startHours":12.23430722069767,"endHours":13.511190990797463,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:51","startHours":9.510288511151444,"endHours":9.850790849844723,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.552400063665097,"endHours":7.824801934619719,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:34","startHours":11.89380488200439,"endHours":12.574809559390948,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:27","startHours":5.764762785525387,"endHours":6.445767462911943,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:08","startHours":6.275516293565304,"endHours":7.126772140298499,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.936818914164059,"endHours":14.617823591550614,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.14184230109684,"endHours":17.54184230109684,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:46","startHours":17.34184230109684,"endHours":17.767470224463437,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.09184230109684,"endHours":18.84184230109684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:34","startHours":23.893804882004392,"endHours":24.574809559390946,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:08","end":"08:24","startHours":7.126772140298499,"endHours":8.403655910398292,"quality":"inauspicious"},{"name":"Udveg","start":"08:24","end":"09:41","startHours":8.403655910398292,"endHours":9.680539680498084,"quality":"inauspicious"},{"name":"Chala","start":"09:41","end":"10:57","startHours":9.680539680498084,"endHours":10.957423450597876,"quality":"neutral"},{"name":"Labha","start":"10:57","end":"12:14","startHours":10.957423450597876,"endHours":12.23430722069767,"quality":"auspicious"},{"name":"Amṛta","start":"12:14","end":"13:31","startHours":12.23430722069767,"endHours":13.511190990797463,"quality":"auspicious"},{"name":"Kāla","start":"13:31","end":"14:47","startHours":13.511190990797463,"endHours":14.788074760897254,"quality":"inauspicious"},{"name":"Śubha","start":"14:47","end":"16:04","startHours":14.788074760897254,"endHours":16.064958530997046,"quality":"auspicious"},{"name":"Roga","start":"16:04","end":"17:21","startHours":16.064958530997046,"endHours":17.34184230109684,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:21","end":"19:04","startHours":17.34184230109684,"endHours":19.064958530997046,"quality":"inauspicious"},{"name":"Śubha","start":"19:04","end":"20:47","startHours":19.064958530997046,"endHours":20.788074760897253,"quality":"auspicious"},{"name":"Roga","start":"20:47","end":"22:31","startHours":20.788074760897253,"endHours":22.511190990797463,"quality":"inauspicious"},{"name":"Udveg","start":"22:31","end":"00:14","startHours":22.511190990797463,"endHours":24.23430722069767,"quality":"inauspicious"},{"name":"Chala","start":"00:14","end":"01:57","startHours":24.23430722069767,"endHours":25.957423450597876,"quality":"neutral"},{"name":"Labha","start":"01:57","end":"03:41","startHours":25.957423450597876,"endHours":27.680539680498086,"quality":"auspicious"},{"name":"Amṛta","start":"03:41","end":"05:24","startHours":27.680539680498086,"endHours":29.403655910398292,"quality":"auspicious"},{"name":"Kāla","start":"05:24","end":"07:08","startHours":29.403655910398292,"endHours":31.1267721402985,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.126772140298499,"endHours":8.126772140298499,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.126772140298499,"endHours":9.126772140298499,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.126772140298499,"endHours":10.126772140298499,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.126772140298499,"endHours":11.126772140298499,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.126772140298499,"endHours":12.126772140298499,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.126772140298499,"endHours":13.126772140298499,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.126772140298499,"endHours":14.126772140298499,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.126772140298499,"endHours":15.126772140298499,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.126772140298499,"endHours":16.1267721402985,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.1267721402985,"endHours":17.1267721402985,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.1267721402985,"endHours":18.1267721402985,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.1267721402985,"endHours":19.1267721402985,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.1267721402985,"endHours":20.1267721402985,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.1267721402985,"endHours":21.1267721402985,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.1267721402985,"endHours":22.1267721402985,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.1267721402985,"endHours":23.1267721402985,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.1267721402985,"endHours":24.1267721402985,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.1267721402985,"endHours":25.1267721402985,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.1267721402985,"endHours":26.1267721402985,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.1267721402985,"endHours":27.1267721402985,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.1267721402985,"endHours":28.1267721402985,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.1267721402985,"endHours":29.1267721402985,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.1267721402985,"endHours":30.1267721402985,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.1267721402985,"endHours":31.1267721402985,"planetary_lord":"Saturn"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","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":21.842433672060576,"eotMinutes":2.4995667581397525,"ayanamsa":25.7446}},"calendars":{"vikram_samvat":2192,"vikram_samvatsara":"Kīlaka","saka_samvat":2057,"saka_samvatsara":"Manmatha","bengali_samvat":1542,"malayalam_era":1311,"nanakshahi_year":666,"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 Caturthī · Vikram 2192 Kīlaka · Śaka 2057 Manmatha"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 31, 2135 CE · Perth, Australia · Vidhyamitra","description":"May 31, 2135 CE for Perth, Australia: Kṛṣṇa Caturthī, sūryodaya 07:08, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2135-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2135-05-31","sa":"https://sa.vidhyamitra.com/city/perth/2135-05-31","hi":"https://hi.vidhyamitra.com/city/perth/2135-05-31","x-default":"https://vidhyamitra.com/city/perth/2135-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:57:24.802Z","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":"2026-06-01T07:57:24.802Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:57:24.802Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}