{"id":"vidhyamitra:city-day:perth:1917-06-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1917-06-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1917-06-28","date_display":"June 28, 1917 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":1917,"month":6,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421407.770833,"kali_year":5019,"ahargana":1832942.2708,"sun":{"sidereal_longitude":72.9358,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":169.6956,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.7598,"elapsed_within_tithi_degrees":0.7598},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.6956,"elapsed_within_degrees":9.6956},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.6314},"karana":{"half_tithi_index":16,"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":1917,"month":6,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2421407.770833,"ahargana":1832942.2708,"kali_year":5019,"ayanamsa_lahiri":22.7004,"grahas":{"sun":{"sidereal_longitude":73.057074,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":167.16897399999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":-4.4967},"mars":{"sidereal_longitude":47.75057400000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":57.875474,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":37.49287400000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":91.00007399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":98.19867399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":261.8978,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":81.8978,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1917,"month":6,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2421407.770833,"kali_year":5019,"ahargana":1832942.2708,"sun":{"sidereal_longitude":72.9358,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":169.6956,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.7598,"elapsed_within_tithi_degrees":0.7598},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.6956,"elapsed_within_degrees":9.6956},"yoga":{"number":19,"name":"Parigha","sum_longitude":242.6314},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.497,"elongation":96.76},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.497,"opposition_distance":83.24}},"eclipse_window_40days":[{"offset_days":7,"type":"lunar","occurs":true,"moon_latitude":-0.102,"opposition_distance":0.664}]},"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":"07:17","sunsetLocal":"17:22","solarNoonLocal":"12:19","dayLengthHours":10.069011386319223,"dayLengthDisplay":"10 Hours 04 Mins 08 Secs","nightLengthDisplay":"13 Hours 55 Mins 52 Secs","moonriseLocal":"12:23","moonsetLocal":"00:48","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"14:50","startHours":13.582760001691955,"endHours":14.841386424981858,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:17","end":"08:33","startHours":7.2896278852424405,"endHours":8.548254308532343,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:48","end":"11:04","startHours":9.806880731822247,"endHours":11.065507155112149,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.639063875383592,"endHours":9.9746975882609,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:43","end":"07:59","startHours":7.709170026339075,"endHours":7.977676996640922,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:40","startHours":11.988499865524744,"endHours":12.659767291279358,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:57","end":"06:37","startHours":5.947093033733211,"endHours":6.618360459487826,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:17","startHours":6.450543603049172,"endHours":7.2896278852424405,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:40","startHours":14.00230214278859,"endHours":14.673569568543204,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.158639271561665,"endHours":17.558639271561663,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.358639271561664,"endHours":17.7781814126583,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.108639271561664,"endHours":18.858639271561664,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:40","startHours":23.988499865524744,"endHours":24.65976729127936,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:17","end":"08:33","startHours":7.2896278852424405,"endHours":8.548254308532343,"quality":"auspicious"},{"name":"Roga","start":"08:33","end":"09:48","startHours":8.548254308532343,"endHours":9.806880731822247,"quality":"inauspicious"},{"name":"Udveg","start":"09:48","end":"11:04","startHours":9.806880731822247,"endHours":11.065507155112149,"quality":"inauspicious"},{"name":"Chala","start":"11:04","end":"12:19","startHours":11.065507155112149,"endHours":12.324133578402051,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"13:35","startHours":12.324133578402051,"endHours":13.582760001691955,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"14:50","startHours":13.582760001691955,"endHours":14.841386424981858,"quality":"auspicious"},{"name":"Kāla","start":"14:50","end":"16:06","startHours":14.841386424981858,"endHours":16.10001284827176,"quality":"inauspicious"},{"name":"Śubha","start":"16:06","end":"17:22","startHours":16.10001284827176,"endHours":17.358639271561664,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:22","end":"19:06","startHours":17.358639271561664,"endHours":19.10001284827176,"quality":"auspicious"},{"name":"Kāla","start":"19:06","end":"20:50","startHours":19.10001284827176,"endHours":20.84138642498186,"quality":"inauspicious"},{"name":"Śubha","start":"20:50","end":"22:35","startHours":20.84138642498186,"endHours":22.582760001691955,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:19","startHours":22.582760001691955,"endHours":24.32413357840205,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"02:04","startHours":24.32413357840205,"endHours":26.06550715511215,"quality":"inauspicious"},{"name":"Chala","start":"02:04","end":"03:48","startHours":26.06550715511215,"endHours":27.806880731822247,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:33","startHours":27.806880731822247,"endHours":29.548254308532343,"quality":"auspicious"},{"name":"Amṛta","start":"05:33","end":"07:17","startHours":29.548254308532343,"endHours":31.28962788524244,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:17","end":"08:17","startHours":7.2896278852424405,"endHours":8.28962788524244,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:17","end":"09:17","startHours":8.28962788524244,"endHours":9.28962788524244,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:17","end":"10:17","startHours":9.28962788524244,"endHours":10.28962788524244,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:17","end":"11:17","startHours":10.28962788524244,"endHours":11.28962788524244,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:17","end":"12:17","startHours":11.28962788524244,"endHours":12.28962788524244,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:17","end":"13:17","startHours":12.28962788524244,"endHours":13.28962788524244,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:17","end":"14:17","startHours":13.28962788524244,"endHours":14.28962788524244,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:17","end":"15:17","startHours":14.28962788524244,"endHours":15.28962788524244,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.28962788524244,"endHours":16.28962788524244,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.28962788524244,"endHours":17.28962788524244,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.28962788524244,"endHours":18.28962788524244,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.28962788524244,"endHours":19.28962788524244,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.28962788524244,"endHours":20.28962788524244,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.28962788524244,"endHours":21.28962788524244,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.28962788524244,"endHours":22.28962788524244,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.28962788524244,"endHours":23.28962788524244,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.28962788524244,"endHours":24.28962788524244,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.28962788524244,"endHours":25.28962788524244,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.28962788524244,"endHours":26.28962788524244,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.28962788524244,"endHours":27.28962788524244,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.28962788524244,"endHours":28.28962788524244,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.28962788524244,"endHours":29.28962788524244,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.28962788524244,"endHours":30.28962788524244,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.28962788524244,"endHours":31.28962788524244,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-West","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":23.311265266731713,"eotMinutes":-2.890014704123143,"ayanamsa":22.7004}},"calendars":{"vikram_samvat":1974,"vikram_samvatsara":"Pramoda","saka_samvat":1839,"saka_samvatsara":"Piṅgala","bengali_samvat":1324,"malayalam_era":1093,"nanakshahi_year":448,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 1974 Pramoda · Śaka 1839 Piṅgala"},"festivals":[],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 28, 1917 CE · Perth, Australia · Vidhyamitra","description":"June 28, 1917 CE for Perth, Australia: Śukla Navamī, sūryodaya 07:17, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1917-06-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1917-06-28","sa":"https://sa.vidhyamitra.com/city/perth/1917-06-28","hi":"https://hi.vidhyamitra.com/city/perth/1917-06-28","x-default":"https://vidhyamitra.com/city/perth/1917-06-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T14:28:47.755Z","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":"2026-06-01T14:28:47.755Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T14:28:47.755Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}