{"id":"vidhyamitra:city-day:perth:2030-06-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-06-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-06-13","date_display":"June 13, 2030 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":2030,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462665.770833,"kali_year":5132,"ahargana":1874200.2708,"sun":{"sidereal_longitude":57.5513,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":201.0788,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.5275,"elapsed_within_tithi_degrees":11.5275},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.0788,"elapsed_within_degrees":1.0788},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.6301},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2030,"month":6,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462665.770833,"ahargana":1874200.2708,"kali_year":5132,"ayanamsa_lahiri":24.2783,"grahas":{"sun":{"sidereal_longitude":57.829515000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":199.23501499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":-2.5646},"mars":{"sidereal_longitude":52.608915000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":44.116915000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":205.06801499999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":24.044714999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":37.143714999999986,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":235.8504,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":55.8504,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462665.770833,"kali_year":5132,"ahargana":1874200.2708,"sun":{"sidereal_longitude":57.5513,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":201.0788,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":143.5275,"elapsed_within_tithi_degrees":11.5275},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.0788,"elapsed_within_degrees":1.0788},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.6301},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.565,"elongation":143.527},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.565,"opposition_distance":36.473}},"eclipse_window_40days":[{"offset_days":-12,"type":"solar","occurs":true,"moon_latitude":0.934,"elongation":1.649}]},"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":"07:14","sunsetLocal":"17:19","solarNoonLocal":"12:16","dayLengthHours":10.080061267115056,"dayLengthDisplay":"10 Hours 04 Mins 48 Secs","nightLengthDisplay":"13 Hours 55 Mins 12 Secs","moonriseLocal":"14:58","moonsetLocal":"04:26","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"14:48","startHours":13.532387998412698,"endHours":14.792395656802082,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:14","end":"08:30","startHours":7.232349706465789,"endHours":8.49235736485517,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:45","end":"11:01","startHours":9.752365023244554,"endHours":11.012372681633934,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.58436400212597,"endHours":9.920366044363137,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.6523522592622495,"endHours":7.921153893051985,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.936378297786149,"endHours":12.608382382260487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.888341537517115,"endHours":6.560345621991452,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:14","startHours":6.3923446008728675,"endHours":7.232349706465789,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:37","startHours":13.95239055120916,"endHours":14.624394635683496,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.112410973580847,"endHours":17.512410973580845,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.312410973580846,"endHours":17.732413526377307,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.062410973580846,"endHours":18.812410973580846,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.93637829778615,"endHours":24.608382382260487,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:14","end":"08:30","startHours":7.232349706465789,"endHours":8.49235736485517,"quality":"auspicious"},{"name":"Roga","start":"08:30","end":"09:45","startHours":8.49235736485517,"endHours":9.752365023244554,"quality":"inauspicious"},{"name":"Udveg","start":"09:45","end":"11:01","startHours":9.752365023244554,"endHours":11.012372681633934,"quality":"inauspicious"},{"name":"Chala","start":"11:01","end":"12:16","startHours":11.012372681633934,"endHours":12.272380340023318,"quality":"neutral"},{"name":"Labha","start":"12:16","end":"13:32","startHours":12.272380340023318,"endHours":13.532387998412698,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"14:48","startHours":13.532387998412698,"endHours":14.792395656802082,"quality":"auspicious"},{"name":"Kāla","start":"14:48","end":"16:03","startHours":14.792395656802082,"endHours":16.052403315191462,"quality":"inauspicious"},{"name":"Śubha","start":"16:03","end":"17:19","startHours":16.052403315191462,"endHours":17.312410973580846,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:19","end":"19:03","startHours":17.312410973580846,"endHours":19.052403315191462,"quality":"auspicious"},{"name":"Kāla","start":"19:03","end":"20:48","startHours":19.052403315191462,"endHours":20.792395656802082,"quality":"inauspicious"},{"name":"Śubha","start":"20:48","end":"22:32","startHours":20.792395656802082,"endHours":22.532387998412702,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"00:16","startHours":22.532387998412702,"endHours":24.272380340023318,"quality":"inauspicious"},{"name":"Udveg","start":"00:16","end":"02:01","startHours":24.272380340023318,"endHours":26.012372681633934,"quality":"inauspicious"},{"name":"Chala","start":"02:01","end":"03:45","startHours":26.012372681633934,"endHours":27.752365023244554,"quality":"neutral"},{"name":"Labha","start":"03:45","end":"05:30","startHours":27.752365023244554,"endHours":29.492357364855174,"quality":"auspicious"},{"name":"Amṛta","start":"05:30","end":"07:14","startHours":29.492357364855174,"endHours":31.23234970646579,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.232349706465789,"endHours":8.23234970646579,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.23234970646579,"endHours":9.23234970646579,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.23234970646579,"endHours":10.23234970646579,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.23234970646579,"endHours":11.23234970646579,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.23234970646579,"endHours":12.23234970646579,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.23234970646579,"endHours":13.23234970646579,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.23234970646579,"endHours":14.23234970646579,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.23234970646579,"endHours":15.23234970646579,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.23234970646579,"endHours":16.23234970646579,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23234970646579,"endHours":17.23234970646579,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23234970646579,"endHours":18.23234970646579,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23234970646579,"endHours":19.23234970646579,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23234970646579,"endHours":20.23234970646579,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23234970646579,"endHours":21.23234970646579,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23234970646579,"endHours":22.23234970646579,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23234970646579,"endHours":23.23234970646579,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23234970646579,"endHours":24.23234970646579,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23234970646579,"endHours":25.23234970646579,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23234970646579,"endHours":26.23234970646579,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23234970646579,"endHours":27.23234970646579,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23234970646579,"endHours":28.23234970646579,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23234970646579,"endHours":29.23234970646579,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23234970646579,"endHours":30.23234970646579,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23234970646579,"endHours":31.23234970646579,"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Prajāpati","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":23.201453055105866,"eotMinutes":0.2151795986009022,"ayanamsa":24.2783}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Śukla Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Śukla Dvādaśī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"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":"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 June 13, 2030 CE · Perth, Australia · Vidhyamitra","description":"June 13, 2030 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:14, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-06-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-06-13","sa":"https://sa.vidhyamitra.com/city/perth/2030-06-13","hi":"https://hi.vidhyamitra.com/city/perth/2030-06-13","x-default":"https://vidhyamitra.com/city/perth/2030-06-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:20:08.666Z","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":"2026-05-14T17:20:08.666Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:20:08.666Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}