{"id":"vidhyamitra:city-day:perth:2171-06-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2171-06-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2171-06-16","date_display":"June 16, 2171 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":2171,"month":6,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514167.770833,"kali_year":5273,"ahargana":1925702.2708,"sun":{"sidereal_longitude":58.0401,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":213.022,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.9818,"elapsed_within_tithi_degrees":10.9818},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":213.022,"elapsed_within_degrees":13.022},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.0621},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2171,"month":6,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514167.770833,"ahargana":1925702.2708,"kali_year":5273,"ayanamsa_lahiri":26.2481,"grahas":{"sun":{"sidereal_longitude":58.65856000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":211.75076,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-0.4695},"mars":{"sidereal_longitude":44.164559999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":79.69096000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":160.82305999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":51.40676000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":320.48216,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":27.0266,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":207.0266,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2171,"month":6,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514167.770833,"kali_year":5273,"ahargana":1925702.2708,"sun":{"sidereal_longitude":58.0401,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":213.022,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.9818,"elapsed_within_tithi_degrees":10.9818},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":213.022,"elapsed_within_degrees":13.022},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.0621},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.47,"elongation":154.982},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.47,"opposition_distance":25.018}},"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":10.066271239191387,"dayLengthDisplay":"10 Hours 03 Mins 59 Secs","nightLengthDisplay":"13 Hours 56 Mins 01 Secs","moonriseLocal":"15:35","moonsetLocal":"05:24","rahuKala":{"name":"Rāhu Kāla","start":"16:03","end":"17:19","startHours":16.057471329974156,"endHours":17.31575523487308,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:32","startHours":12.282619615277387,"endHours":13.540903520176311,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:48","end":"16:03","startHours":14.799187425075234,"endHours":16.057471329974156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.598280618159684,"endHours":9.933822992799396,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.668911963981334,"endHours":7.937345863693105,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:37","startHours":11.947077240637674,"endHours":12.6181619899171,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:35","startHours":5.907314497122842,"endHours":6.578399246402268,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:25","end":"07:15","startHours":6.410628059082411,"endHours":7.249483995681693,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:38","startHours":13.960331488475951,"endHours":14.631416237755378,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.11575523487308,"endHours":17.51575523487308,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:44","startHours":17.31575523487308,"endHours":17.73518320317272,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.06575523487308,"endHours":18.81575523487308,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:37","startHours":23.947077240637675,"endHours":24.6181619899171,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:15","end":"08:30","startHours":7.249483995681693,"endHours":8.507767900580617,"quality":"inauspicious"},{"name":"Chala","start":"08:30","end":"09:46","startHours":8.507767900580617,"endHours":9.76605180547954,"quality":"neutral"},{"name":"Labha","start":"09:46","end":"11:01","startHours":9.76605180547954,"endHours":11.024335710378462,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:17","startHours":11.024335710378462,"endHours":12.282619615277387,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:32","startHours":12.282619615277387,"endHours":13.540903520176311,"quality":"inauspicious"},{"name":"Śubha","start":"13:32","end":"14:48","startHours":13.540903520176311,"endHours":14.799187425075234,"quality":"auspicious"},{"name":"Roga","start":"14:48","end":"16:03","startHours":14.799187425075234,"endHours":16.057471329974156,"quality":"inauspicious"},{"name":"Udveg","start":"16:03","end":"17:19","startHours":16.057471329974156,"endHours":17.31575523487308,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:19","end":"19:03","startHours":17.31575523487308,"endHours":19.057471329974156,"quality":"auspicious"},{"name":"Roga","start":"19:03","end":"20:48","startHours":19.057471329974156,"endHours":20.79918742507523,"quality":"inauspicious"},{"name":"Udveg","start":"20:48","end":"22:32","startHours":20.79918742507523,"endHours":22.54090352017631,"quality":"inauspicious"},{"name":"Chala","start":"22:32","end":"00:17","startHours":22.54090352017631,"endHours":24.282619615277387,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"02:01","startHours":24.282619615277387,"endHours":26.024335710378462,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:46","startHours":26.024335710378462,"endHours":27.76605180547954,"quality":"auspicious"},{"name":"Kāla","start":"03:46","end":"05:30","startHours":27.76605180547954,"endHours":29.507767900580617,"quality":"inauspicious"},{"name":"Śubha","start":"05:30","end":"07:15","startHours":29.507767900580617,"endHours":31.249483995681693,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.249483995681693,"endHours":8.249483995681693,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.249483995681693,"endHours":9.249483995681693,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.249483995681693,"endHours":10.249483995681693,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.249483995681693,"endHours":11.249483995681693,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.249483995681693,"endHours":12.249483995681693,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.249483995681693,"endHours":13.249483995681693,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.249483995681693,"endHours":14.249483995681693,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.249483995681693,"endHours":15.249483995681693,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.249483995681693,"endHours":16.249483995681693,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.249483995681693,"endHours":17.249483995681693,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.249483995681693,"endHours":18.249483995681693,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.249483995681693,"endHours":19.249483995681693,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.249483995681693,"endHours":20.249483995681693,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.249483995681693,"endHours":21.249483995681693,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.249483995681693,"endHours":22.249483995681693,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.249483995681693,"endHours":23.249483995681693,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.249483995681693,"endHours":24.249483995681693,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.249483995681693,"endHours":25.249483995681693,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.249483995681693,"endHours":26.249483995681693,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.249483995681693,"endHours":27.249483995681693,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.249483995681693,"endHours":28.249483995681693,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.249483995681693,"endHours":29.249483995681693,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.249483995681693,"endHours":30.249483995681693,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.249483995681693,"endHours":31.249483995681693,"planetary_lord":"Jupiter"}],"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","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.338462969153067,"eotMinutes":-0.399176916643208,"ayanamsa":26.2481}},"calendars":{"vikram_samvat":2228,"vikram_samvatsara":"Tāraṇa","saka_samvat":2093,"saka_samvatsara":"Prajāpati","bengali_samvat":1578,"malayalam_era":1347,"nanakshahi_year":702,"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 Trayodaśī · Vikram 2228 Tāraṇa · Śaka 2093 Prajāpati"},"festivals":[{"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":"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":"-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 16, 2171 CE · Perth, Australia · Vidhyamitra","description":"June 16, 2171 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 07:15, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2171-06-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2171-06-16","sa":"https://sa.vidhyamitra.com/city/perth/2171-06-16","hi":"https://hi.vidhyamitra.com/city/perth/2171-06-16","x-default":"https://vidhyamitra.com/city/perth/2171-06-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:19:19.089Z","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":"2026-06-02T08:19:19.089Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:19:19.089Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}