{"id":"vidhyamitra:city-day:perth:2120-05-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2120-05-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2120-05-31","date_display":"May 31, 2120 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":2120,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495524.770833,"kali_year":5222,"ahargana":1907059.2708,"sun":{"sidereal_longitude":43.9716,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":88.1132,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.1417,"elapsed_within_tithi_degrees":8.1417},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.1132,"elapsed_within_degrees":8.1132},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.0848},"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":2120,"month":5,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495524.770833,"ahargana":1907059.2708,"kali_year":5222,"ayanamsa_lahiri":25.5351,"grahas":{"sun":{"sidereal_longitude":44.364959999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":85.33046000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":2.0209},"mars":{"sidereal_longitude":6.880359999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":49.69806,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":64.22486000000004,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":48.566460000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":55.015559999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":294.8224,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":114.8224,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2120,"month":5,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495524.770833,"kali_year":5222,"ahargana":1907059.2708,"sun":{"sidereal_longitude":43.9716,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":88.1132,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.1417,"elapsed_within_tithi_degrees":8.1417},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":88.1132,"elapsed_within_degrees":8.1132},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":132.0848},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.021,"elongation":44.142},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.021,"opposition_distance":135.858}},"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":"07:08","sunsetLocal":"17:20","solarNoonLocal":"12:14","dayLengthHours":10.206253299095053,"dayLengthDisplay":"10 Hours 12 Mins 23 Secs","nightLengthDisplay":"13 Hours 47 Mins 37 Secs","moonriseLocal":"09:53","moonsetLocal":"20:03","rahuKala":{"name":"Rāhu Kāla","start":"10:58","end":"12:14","startHours":10.958525558310786,"endHours":12.23430722069767,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:47","end":"16:04","startHours":14.785870545471433,"endHours":16.061652207858312,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:24","end":"09:41","startHours":8.406962233537023,"endHours":9.682743895923906,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:31","end":"09:51","startHours":9.512639674272322,"endHours":9.852848117575489,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.556441125279102,"endHours":7.828607879921637,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:34","startHours":11.8940987773945,"endHours":12.574515664000838,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:27","startHours":5.770346797937468,"endHours":6.450763684543805,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:08","startHours":6.2806594628922205,"endHours":7.131180571150142,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:37","startHours":13.93534943721351,"endHours":14.615766323819846,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:08","end":"17:32","startHours":17.137433870245196,"endHours":17.537433870245195,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:20","end":"17:46","startHours":17.337433870245196,"endHours":17.762694424374157,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:05","end":"18:50","startHours":17.087433870245196,"endHours":18.837433870245196,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:34","startHours":23.8940987773945,"endHours":24.574515664000838,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:08","end":"08:24","startHours":7.131180571150142,"endHours":8.406962233537023,"quality":"neutral"},{"name":"Labha","start":"08:24","end":"09:41","startHours":8.406962233537023,"endHours":9.682743895923906,"quality":"auspicious"},{"name":"Amṛta","start":"09:41","end":"10:58","startHours":9.682743895923906,"endHours":10.958525558310786,"quality":"auspicious"},{"name":"Kāla","start":"10:58","end":"12:14","startHours":10.958525558310786,"endHours":12.23430722069767,"quality":"inauspicious"},{"name":"Śubha","start":"12:14","end":"13:31","startHours":12.23430722069767,"endHours":13.51008888308455,"quality":"auspicious"},{"name":"Roga","start":"13:31","end":"14:47","startHours":13.51008888308455,"endHours":14.785870545471433,"quality":"inauspicious"},{"name":"Udveg","start":"14:47","end":"16:04","startHours":14.785870545471433,"endHours":16.061652207858312,"quality":"inauspicious"},{"name":"Chala","start":"16:04","end":"17:20","startHours":16.061652207858312,"endHours":17.337433870245196,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:20","end":"19:04","startHours":17.337433870245196,"endHours":19.061652207858316,"quality":"inauspicious"},{"name":"Udveg","start":"19:04","end":"20:47","startHours":19.061652207858316,"endHours":20.785870545471433,"quality":"inauspicious"},{"name":"Chala","start":"20:47","end":"22:31","startHours":20.785870545471433,"endHours":22.51008888308455,"quality":"neutral"},{"name":"Labha","start":"22:31","end":"00:14","startHours":22.51008888308455,"endHours":24.23430722069767,"quality":"auspicious"},{"name":"Amṛta","start":"00:14","end":"01:58","startHours":24.23430722069767,"endHours":25.95852555831079,"quality":"auspicious"},{"name":"Kāla","start":"01:58","end":"03:41","startHours":25.95852555831079,"endHours":27.682743895923906,"quality":"inauspicious"},{"name":"Śubha","start":"03:41","end":"05:24","startHours":27.682743895923906,"endHours":29.406962233537023,"quality":"auspicious"},{"name":"Roga","start":"05:24","end":"07:08","startHours":29.406962233537023,"endHours":31.131180571150143,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:08","end":"08:08","startHours":7.131180571150142,"endHours":8.131180571150143,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:08","end":"09:08","startHours":8.131180571150143,"endHours":9.131180571150143,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:08","end":"10:08","startHours":9.131180571150143,"endHours":10.131180571150143,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:08","end":"11:08","startHours":10.131180571150143,"endHours":11.131180571150143,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:08","end":"12:08","startHours":11.131180571150143,"endHours":12.131180571150143,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:08","end":"13:08","startHours":12.131180571150143,"endHours":13.131180571150143,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:08","end":"14:08","startHours":13.131180571150143,"endHours":14.131180571150143,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:08","end":"15:08","startHours":14.131180571150143,"endHours":15.131180571150143,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:08","end":"16:08","startHours":15.131180571150143,"endHours":16.131180571150143,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:08","end":"17:08","startHours":16.131180571150143,"endHours":17.131180571150143,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:08","end":"18:08","startHours":17.131180571150143,"endHours":18.131180571150143,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:08","end":"19:08","startHours":18.131180571150143,"endHours":19.131180571150143,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:08","end":"20:08","startHours":19.131180571150143,"endHours":20.131180571150143,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:08","end":"21:08","startHours":20.131180571150143,"endHours":21.131180571150143,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:08","end":"22:08","startHours":21.131180571150143,"endHours":22.131180571150143,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:08","end":"23:08","startHours":22.131180571150143,"endHours":23.131180571150143,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:08","end":"00:08","startHours":23.131180571150143,"endHours":24.131180571150143,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:08","end":"01:08","startHours":24.131180571150143,"endHours":25.131180571150143,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:08","end":"02:08","startHours":25.131180571150143,"endHours":26.131180571150143,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:08","end":"03:08","startHours":26.131180571150143,"endHours":27.131180571150143,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:08","end":"04:08","startHours":27.131180571150143,"endHours":28.131180571150143,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:08","end":"05:08","startHours":28.131180571150143,"endHours":29.131180571150143,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:08","end":"06:08","startHours":29.131180571150143,"endHours":30.131180571150143,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:08","end":"07:08","startHours":30.131180571150143,"endHours":31.131180571150143,"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":21.932153512524184,"eotMinutes":2.4995667581397525,"ayanamsa":25.5351}},"calendars":{"vikram_samvat":2177,"vikram_samvatsara":"Vijaya","saka_samvat":2042,"saka_samvatsara":"Vikrama","bengali_samvat":1527,"malayalam_era":1296,"nanakshahi_year":651,"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 2177 Vijaya · Śaka 2042 Vikrama"},"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 31, 2120 CE · Perth, Australia · Vidhyamitra","description":"May 31, 2120 CE for Perth, Australia: Śukla Caturthī, sūryodaya 07:08, sūryāsta 17:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2120-05-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2120-05-31","sa":"https://sa.vidhyamitra.com/city/perth/2120-05-31","hi":"https://hi.vidhyamitra.com/city/perth/2120-05-31","x-default":"https://vidhyamitra.com/city/perth/2120-05-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:19:59.142Z","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":"2026-06-03T04:19:59.142Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T04:19:59.142Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}