{"id":"vidhyamitra:city-day:perth:2139-04-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2139-04-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-04-30","date_display":"April 30, 2139 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":2139,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502432.770833,"kali_year":5241,"ahargana":1913967.2708,"sun":{"sidereal_longitude":13.3467,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":32.2034,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8567,"elapsed_within_tithi_degrees":6.8567},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.2034,"elapsed_within_degrees":5.5368},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.5502},"karana":{"half_tithi_index":3,"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":2139,"month":4,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502432.770833,"ahargana":1913967.2708,"kali_year":5241,"ayanamsa_lahiri":25.7993,"grahas":{"sun":{"sidereal_longitude":13.595222999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":31.950823000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":4.3772},"mars":{"sidereal_longitude":7.547723000000019,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":15.081223000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":282.935923,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":352.008123,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":289.89502300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":288.8033,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":108.8033,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":2139,"month":4,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502432.770833,"kali_year":5241,"ahargana":1913967.2708,"sun":{"sidereal_longitude":13.3467,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":32.2034,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.8567,"elapsed_within_tithi_degrees":6.8567},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2,"moon_longitude":32.2034,"elapsed_within_degrees":5.5368},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.5502},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.377,"elongation":18.857},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.377,"opposition_distance":161.143}},"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":"06:47","sunsetLocal":"17:40","solarNoonLocal":"12:14","dayLengthHours":10.88843870702974,"dayLengthDisplay":"10 Hours 53 Mins 18 Secs","nightLengthDisplay":"13 Hours 06 Mins 42 Secs","moonriseLocal":"08:16","moonsetLocal":"18:39","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"14:57","startHours":13.590597151892014,"endHours":14.951651990270731,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:47","end":"08:09","startHours":6.785322959998426,"endHours":8.146377798377143,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:30","end":"10:52","startHours":9.507432636755862,"endHours":10.868487475134579,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:41","startHours":9.325958658305366,"endHours":9.688906615206356,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.239007906124666,"endHours":7.5293662716454595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.866594356612305,"endHours":12.592490270414286,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.3335311323944605,"endHours":6.0594270461964435,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:47","startHours":5.877953067745948,"endHours":6.785322959998426,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:46","startHours":14.044282098018254,"endHours":14.770178011820237,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.473761667028167,"endHours":17.873761667028166,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:08","startHours":17.673761667028167,"endHours":18.127446613154405,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.423761667028167,"endHours":19.173761667028167,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.866594356612303,"endHours":24.592490270414288,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:47","end":"08:09","startHours":6.785322959998426,"endHours":8.146377798377143,"quality":"auspicious"},{"name":"Roga","start":"08:09","end":"09:30","startHours":8.146377798377143,"endHours":9.507432636755862,"quality":"inauspicious"},{"name":"Udveg","start":"09:30","end":"10:52","startHours":9.507432636755862,"endHours":10.868487475134579,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:14","startHours":10.868487475134579,"endHours":12.229542313513296,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:35","startHours":12.229542313513296,"endHours":13.590597151892014,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"14:57","startHours":13.590597151892014,"endHours":14.951651990270731,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:19","startHours":14.951651990270731,"endHours":16.31270682864945,"quality":"inauspicious"},{"name":"Śubha","start":"16:19","end":"17:40","startHours":16.31270682864945,"endHours":17.673761667028167,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:40","end":"19:19","startHours":17.673761667028167,"endHours":19.31270682864945,"quality":"auspicious"},{"name":"Kāla","start":"19:19","end":"20:57","startHours":19.31270682864945,"endHours":20.951651990270733,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:35","startHours":20.951651990270733,"endHours":22.590597151892013,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:14","startHours":22.590597151892013,"endHours":24.229542313513296,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:52","startHours":24.229542313513296,"endHours":25.86848747513458,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:30","startHours":25.86848747513458,"endHours":27.507432636755862,"quality":"neutral"},{"name":"Labha","start":"03:30","end":"05:09","startHours":27.507432636755862,"endHours":29.146377798377145,"quality":"auspicious"},{"name":"Amṛta","start":"05:09","end":"06:47","startHours":29.146377798377145,"endHours":30.785322959998425,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.785322959998426,"endHours":7.785322959998426,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.785322959998426,"endHours":8.785322959998426,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.785322959998426,"endHours":9.785322959998426,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.785322959998426,"endHours":10.785322959998426,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.785322959998426,"endHours":11.785322959998426,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.785322959998426,"endHours":12.785322959998426,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.785322959998426,"endHours":13.785322959998426,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.785322959998426,"endHours":14.785322959998426,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.785322959998426,"endHours":15.785322959998426,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.785322959998426,"endHours":16.785322959998425,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.785322959998425,"endHours":17.785322959998425,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.785322959998425,"endHours":18.785322959998425,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.785322959998425,"endHours":19.785322959998425,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.785322959998425,"endHours":20.785322959998425,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.785322959998425,"endHours":21.785322959998425,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.785322959998425,"endHours":22.785322959998425,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.785322959998425,"endHours":23.785322959998425,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.785322959998425,"endHours":24.785322959998425,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.785322959998425,"endHours":25.785322959998425,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.785322959998425,"endHours":26.785322959998425,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.785322959998425,"endHours":27.785322959998425,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.785322959998425,"endHours":28.785322959998425,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.785322959998425,"endHours":29.785322959998425,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.785322959998425,"endHours":30.785322959998425,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","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":14.620971786942489,"eotMinutes":2.785461189202204,"ayanamsa":25.7993}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvitīyā · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"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":"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 April 30, 2139 CE · Perth, Australia · Vidhyamitra","description":"April 30, 2139 CE for Perth, Australia: Śukla Dvitīyā, sūryodaya 06:47, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2139-04-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2139-04-30","sa":"https://sa.vidhyamitra.com/city/perth/2139-04-30","hi":"https://hi.vidhyamitra.com/city/perth/2139-04-30","x-default":"https://vidhyamitra.com/city/perth/2139-04-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T14:55:38.725Z","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":"2026-05-25T14:55:38.725Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T14:55:38.725Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}