{"id":"vidhyamitra:city-day:perth:2031-06-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2031-06-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-06-15","date_display":"June 15, 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":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463032.770833,"kali_year":5133,"ahargana":1874567.2708,"sun":{"sidereal_longitude":59.2027,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":2.4515,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.2488,"elapsed_within_tithi_degrees":3.2488},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.4515,"elapsed_within_degrees":2.4515},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.6542},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":6,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463032.770833,"ahargana":1874567.2708,"kali_year":5133,"ayanamsa_lahiri":24.2924,"grahas":{"sun":{"sidereal_longitude":59.495093,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":4.868292999999994,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false,"latitude":2.5116},"mars":{"sidereal_longitude":189.71039300000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":66.66319299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":239.85389299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":103.72459300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":49.49669299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":216.4049,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":36.4049,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2031,"month":6,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463032.770833,"kali_year":5133,"ahargana":1874567.2708,"sun":{"sidereal_longitude":59.2027,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":2.4515,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.2488,"elapsed_within_tithi_degrees":3.2488},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":2.4515,"elapsed_within_degrees":2.4515},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.6542},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.512,"elongation":56.751},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.512,"opposition_distance":123.249}},"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":"07:15","sunsetLocal":"17:19","solarNoonLocal":"12:17","dayLengthHours":10.071080517297155,"dayLengthDisplay":"10 Hours 04 Mins 16 Secs","nightLengthDisplay":"13 Hours 55 Mins 44 Secs","moonriseLocal":"03:04","moonsetLocal":"14:13","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:19","startHours":16.055829476741952,"endHours":17.314714541404097,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:32","startHours":12.27917428275552,"endHours":13.538059347417663,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:03","startHours":14.796944412079807,"endHours":16.055829476741952,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.593552811476277,"endHours":9.929255495386183,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.663262378994323,"endHours":7.931824526122247,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:37","startHours":11.943471598845614,"endHours":12.614876966665426,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:34","startHours":5.900823288467321,"endHours":6.572228656287131,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.404377314332178,"endHours":7.2436340241069415,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.957687702305044,"endHours":14.629093070124854,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.114714541404098,"endHours":17.514714541404096,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.314714541404097,"endHours":17.73434289629148,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.064714541404097,"endHours":18.814714541404097,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:37","startHours":23.943471598845615,"endHours":24.614876966665424,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:15","end":"08:30","startHours":7.2436340241069415,"endHours":8.502519088769086,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:46","startHours":8.502519088769086,"endHours":9.76140415343123,"quality":"neutral"},{"name":"Labha","start":"09:46","end":"11:01","startHours":9.76140415343123,"endHours":11.020289218093374,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:17","startHours":11.020289218093374,"endHours":12.27917428275552,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:32","startHours":12.27917428275552,"endHours":13.538059347417663,"quality":"inauspicious"},{"name":"Śubha","start":"13:32","end":"14:48","startHours":13.538059347417663,"endHours":14.796944412079807,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:03","startHours":14.796944412079807,"endHours":16.055829476741952,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:19","startHours":16.055829476741952,"endHours":17.314714541404097,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:19","end":"19:03","startHours":17.314714541404097,"endHours":19.055829476741952,"quality":"auspicious"},{"name":"Roga","start":"19:03","end":"20:48","startHours":19.055829476741952,"endHours":20.79694441207981,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:32","startHours":20.79694441207981,"endHours":22.538059347417665,"quality":"inauspicious"},{"name":"Chala","start":"22:32","end":"00:17","startHours":22.538059347417665,"endHours":24.27917428275552,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"02:01","startHours":24.27917428275552,"endHours":26.020289218093374,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:46","startHours":26.020289218093374,"endHours":27.76140415343123,"quality":"auspicious"},{"name":"Kāla","start":"03:46","end":"05:30","startHours":27.76140415343123,"endHours":29.502519088769088,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:15","startHours":29.502519088769088,"endHours":31.243634024106942,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.2436340241069415,"endHours":8.243634024106942,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.243634024106942,"endHours":9.243634024106942,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.243634024106942,"endHours":10.243634024106942,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.243634024106942,"endHours":11.243634024106942,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.243634024106942,"endHours":12.243634024106942,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.243634024106942,"endHours":13.243634024106942,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.243634024106942,"endHours":14.243634024106942,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.243634024106942,"endHours":15.243634024106942,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.243634024106942,"endHours":16.243634024106942,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.243634024106942,"endHours":17.243634024106942,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.243634024106942,"endHours":18.243634024106942,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.243634024106942,"endHours":19.243634024106942,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.243634024106942,"endHours":20.243634024106942,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.243634024106942,"endHours":21.243634024106942,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.243634024106942,"endHours":22.243634024106942,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.243634024106942,"endHours":23.243634024106942,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.243634024106942,"endHours":24.243634024106942,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.243634024106942,"endHours":25.243634024106942,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.243634024106942,"endHours":26.243634024106942,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.243634024106942,"endHours":27.243634024106942,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.243634024106942,"endHours":28.243634024106942,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.243634024106942,"endHours":29.243634024106942,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.243634024106942,"endHours":30.243634024106942,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.243634024106942,"endHours":31.243634024106942,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":23.290718997545085,"eotMinutes":-0.19245696533128553,"ayanamsa":24.2924}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Ekādaśī · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"apara-ekadashi","name":"Aparā Ekādaśī","name_sanskrit":"अपरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Boundless (aparā) merit; removes brahma-hatyā even.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"yogini-ekadashi","name":"Yoginī Ekādaśī","name_sanskrit":"योगिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes the curse of Kubera; equivalent to feeding 88,000 brāhmaṇas.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Jyeṣṭha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 June 15, 2031 CE · Perth, Australia · Vidhyamitra","description":"June 15, 2031 CE for Perth, Australia: Kṛṣṇa Ekādaśī, sūryodaya 07:15, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2031-06-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2031-06-15","sa":"https://sa.vidhyamitra.com/city/perth/2031-06-15","hi":"https://hi.vidhyamitra.com/city/perth/2031-06-15","x-default":"https://vidhyamitra.com/city/perth/2031-06-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:10:41.034Z","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":"2026-05-14T17:10:41.034Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:10:41.034Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}