{"id":"vidhyamitra:city-day:perth:2102-06-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2102-06-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2102-06-13","date_display":"June 13, 2102 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":2102,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488962.770833,"kali_year":5204,"ahargana":1900497.2708,"sun":{"sidereal_longitude":56.0043,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":25.6664,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.662,"elapsed_within_tithi_degrees":5.662},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.6664,"elapsed_within_degrees":12.333},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6707},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2102,"month":6,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488962.770833,"ahargana":1900497.2708,"kali_year":5204,"ayanamsa_lahiri":25.2841,"grahas":{"sun":{"sidereal_longitude":56.44257600000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":26.551675999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":4.3816},"mars":{"sidereal_longitude":107.93947600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":35.85207600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":233.2840759999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":26.24447600000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":198.24307599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":282.5088,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.5088,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2102,"month":6,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488962.770833,"kali_year":5204,"ahargana":1900497.2708,"sun":{"sidereal_longitude":56.0043,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":25.6664,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.662,"elapsed_within_tithi_degrees":5.662},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":25.6664,"elapsed_within_degrees":12.333},"yoga":{"number":7,"name":"Sukarma","sum_longitude":81.6707},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.382,"elongation":30.338},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.382,"opposition_distance":149.662}},"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":"07:14","sunsetLocal":"17:19","solarNoonLocal":"12:16","dayLengthHours":10.082391749426357,"dayLengthDisplay":"10 Hours 04 Mins 57 Secs","nightLengthDisplay":"13 Hours 55 Mins 03 Secs","moonriseLocal":"05:01","moonsetLocal":"15:32","rahuKala":{"name":"Rāhu Kāla","start":"14:48","end":"16:03","startHours":14.792978277379905,"endHours":16.0532772460582,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:45","end":"11:01","startHours":9.751782402666727,"endHours":11.012081371345023,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:32","startHours":12.272380340023318,"endHours":13.532679308701612,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:55","startHours":9.583742540176289,"endHours":9.919822265157167,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:55","startHours":7.651284121536237,"endHours":7.92014790152094,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.93630061504244,"endHours":12.608460065004197,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.886865565386625,"endHours":6.559025015348381,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.390985152857942,"endHours":7.231184465310139,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:37","startHours":13.95277896492771,"endHours":14.624938414889467,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.113576214736497,"endHours":17.513576214736496,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.313576214736496,"endHours":17.733675870962596,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.063576214736496,"endHours":18.813576214736496,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.93630061504244,"endHours":24.608460065004195,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:14","end":"08:29","startHours":7.231184465310139,"endHours":8.491483433988433,"quality":"inauspicious"},{"name":"Udveg","start":"08:29","end":"09:45","startHours":8.491483433988433,"endHours":9.751782402666727,"quality":"inauspicious"},{"name":"Chala","start":"09:45","end":"11:01","startHours":9.751782402666727,"endHours":11.012081371345023,"quality":"neutral"},{"name":"Labha","start":"11:01","end":"12:16","startHours":11.012081371345023,"endHours":12.272380340023318,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:32","startHours":12.272380340023318,"endHours":13.532679308701612,"quality":"auspicious"},{"name":"Kāla","start":"13:32","end":"14:48","startHours":13.532679308701612,"endHours":14.792978277379905,"quality":"inauspicious"},{"name":"Śubha","start":"14:48","end":"16:03","startHours":14.792978277379905,"endHours":16.0532772460582,"quality":"auspicious"},{"name":"Roga","start":"16:03","end":"17:19","startHours":16.0532772460582,"endHours":17.313576214736496,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:19","end":"19:03","startHours":17.313576214736496,"endHours":19.0532772460582,"quality":"inauspicious"},{"name":"Śubha","start":"19:03","end":"20:48","startHours":19.0532772460582,"endHours":20.79297827737991,"quality":"auspicious"},{"name":"Roga","start":"20:48","end":"22:32","startHours":20.79297827737991,"endHours":22.532679308701614,"quality":"inauspicious"},{"name":"Udveg","start":"22:32","end":"00:16","startHours":22.532679308701614,"endHours":24.272380340023318,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"02:01","startHours":24.272380340023318,"endHours":26.012081371345023,"quality":"neutral"},{"name":"Labha","start":"02:01","end":"03:45","startHours":26.012081371345023,"endHours":27.751782402666727,"quality":"auspicious"},{"name":"Amṛta","start":"03:45","end":"05:29","startHours":27.751782402666727,"endHours":29.491483433988435,"quality":"auspicious"},{"name":"Kāla","start":"05:29","end":"07:14","startHours":29.491483433988435,"endHours":31.23118446531014,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.231184465310139,"endHours":8.23118446531014,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.23118446531014,"endHours":9.23118446531014,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.23118446531014,"endHours":10.23118446531014,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.23118446531014,"endHours":11.23118446531014,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.23118446531014,"endHours":12.23118446531014,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.23118446531014,"endHours":13.23118446531014,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.23118446531014,"endHours":14.23118446531014,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.23118446531014,"endHours":15.23118446531014,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.23118446531014,"endHours":16.23118446531014,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23118446531014,"endHours":17.23118446531014,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23118446531014,"endHours":18.23118446531014,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23118446531014,"endHours":19.23118446531014,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23118446531014,"endHours":20.23118446531014,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23118446531014,"endHours":21.23118446531014,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23118446531014,"endHours":22.23118446531014,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23118446531014,"endHours":23.23118446531014,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23118446531014,"endHours":24.23118446531014,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23118446531014,"endHours":25.23118446531014,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23118446531014,"endHours":26.23118446531014,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23118446531014,"endHours":27.23118446531014,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23118446531014,"endHours":28.23118446531014,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23118446531014,"endHours":29.23118446531014,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23118446531014,"endHours":30.23118446531014,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23118446531014,"endHours":31.23118446531014,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"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":23.178265415051964,"eotMinutes":0.2151795986009022,"ayanamsa":25.2841}},"calendars":{"vikram_samvat":2159,"vikram_samvatsara":"Yuva","saka_samvat":2024,"saka_samvatsara":"Dundubhi","bengali_samvat":1509,"malayalam_era":1278,"nanakshahi_year":633,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Trayodaśī · Vikram 2159 Yuva · Śaka 2024 Dundubhi"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 June 13, 2102 CE · Perth, Australia · Vidhyamitra","description":"June 13, 2102 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 07:14, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2102-06-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2102-06-13","sa":"https://sa.vidhyamitra.com/city/perth/2102-06-13","hi":"https://hi.vidhyamitra.com/city/perth/2102-06-13","x-default":"https://vidhyamitra.com/city/perth/2102-06-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T11:12:36.102Z","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":"2026-05-21T11:12:36.102Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T11:12:36.102Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}