{"id":"vidhyamitra:city-day:perth:1875-05-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1875-05-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1875-05-17","date_display":"May 17, 1875 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":1875,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406025.770833,"kali_year":4977,"ahargana":1817560.2708,"sun":{"sidereal_longitude":33.8487,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":176.1502,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.3015,"elapsed_within_tithi_degrees":10.3015},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":176.1502,"elapsed_within_degrees":2.8169},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.9989},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1875,"month":5,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406025.770833,"ahargana":1817560.2708,"kali_year":4977,"ayanamsa_lahiri":22.1121,"grahas":{"sun":{"sidereal_longitude":33.59498000000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":177.42057999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":0.0596},"mars":{"sidereal_longitude":254.08038,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":44.56378000000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":182.55908,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":1.7831800000000158,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":304.74938,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":356.9101,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":176.9101,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"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":1875,"month":5,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406025.770833,"kali_year":4977,"ahargana":1817560.2708,"sun":{"sidereal_longitude":33.8487,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":176.1502,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.3015,"elapsed_within_tithi_degrees":10.3015},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":176.1502,"elapsed_within_degrees":2.8169},"yoga":{"number":16,"name":"Siddhi","sum_longitude":209.9989},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.06,"elongation":142.302},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.06,"opposition_distance":37.698}},"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":"06:59","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.470771879558647,"dayLengthDisplay":"10 Hours 28 Mins 15 Secs","nightLengthDisplay":"13 Hours 31 Mins 45 Secs","moonriseLocal":"15:26","moonsetLocal":"04:10","rahuKala":{"name":"Rāhu Kāla","start":"08:17","end":"09:36","startHours":8.287412551931954,"endHours":9.596259036876784,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:54","end":"12:13","startHours":10.905105521821616,"endHours":12.213952006766448,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:31","end":"14:50","startHours":13.522798491711278,"endHours":14.831644976656108,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.421746172217475,"endHours":9.770771901536095,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.4148482286354005,"endHours":7.694068812090298,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.864926277447827,"endHours":12.562977736085069,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:17","startHours":5.582463149712637,"endHours":6.28051460834988,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:59","startHours":6.10600174369057,"endHours":6.978566066987123,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:39","startHours":13.959080653359555,"endHours":14.657132111996798,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.249337946545772,"endHours":17.64933794654577,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.44933794654577,"endHours":17.885620108194047,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.19933794654577,"endHours":18.94933794654577,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.864926277447825,"endHours":24.56297773608507,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:59","end":"08:17","startHours":6.978566066987123,"endHours":8.287412551931954,"quality":"auspicious"},{"name":"Kāla","start":"08:17","end":"09:36","startHours":8.287412551931954,"endHours":9.596259036876784,"quality":"inauspicious"},{"name":"Śubha","start":"09:36","end":"10:54","startHours":9.596259036876784,"endHours":10.905105521821616,"quality":"auspicious"},{"name":"Roga","start":"10:54","end":"12:13","startHours":10.905105521821616,"endHours":12.213952006766448,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:31","startHours":12.213952006766448,"endHours":13.522798491711278,"quality":"inauspicious"},{"name":"Chala","start":"13:31","end":"14:50","startHours":13.522798491711278,"endHours":14.831644976656108,"quality":"neutral"},{"name":"Labha","start":"14:50","end":"16:08","startHours":14.831644976656108,"endHours":16.14049146160094,"quality":"auspicious"},{"name":"Amṛta","start":"16:08","end":"17:27","startHours":16.14049146160094,"endHours":17.44933794654577,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:27","end":"19:08","startHours":17.44933794654577,"endHours":19.14049146160094,"quality":"neutral"},{"name":"Labha","start":"19:08","end":"20:50","startHours":19.14049146160094,"endHours":20.831644976656108,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:31","startHours":20.831644976656108,"endHours":22.522798491711278,"quality":"auspicious"},{"name":"Kāla","start":"22:31","end":"00:13","startHours":22.522798491711278,"endHours":24.213952006766448,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:54","startHours":24.213952006766448,"endHours":25.905105521821618,"quality":"auspicious"},{"name":"Roga","start":"01:54","end":"03:36","startHours":25.905105521821618,"endHours":27.596259036876788,"quality":"inauspicious"},{"name":"Udveg","start":"03:36","end":"05:17","startHours":27.596259036876788,"endHours":29.287412551931954,"quality":"inauspicious"},{"name":"Chala","start":"05:17","end":"06:59","startHours":29.287412551931954,"endHours":30.978566066987124,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.978566066987123,"endHours":7.978566066987123,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.978566066987123,"endHours":8.978566066987124,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.978566066987124,"endHours":9.978566066987124,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.978566066987124,"endHours":10.978566066987124,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.978566066987124,"endHours":11.978566066987124,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.978566066987124,"endHours":12.978566066987124,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.978566066987124,"endHours":13.978566066987124,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.978566066987124,"endHours":14.978566066987124,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.978566066987124,"endHours":15.978566066987124,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.978566066987124,"endHours":16.978566066987124,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.978566066987124,"endHours":17.978566066987124,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.978566066987124,"endHours":18.978566066987124,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.978566066987124,"endHours":19.978566066987124,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.978566066987124,"endHours":20.978566066987124,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.978566066987124,"endHours":21.978566066987124,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.978566066987124,"endHours":22.978566066987124,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.978566066987124,"endHours":23.978566066987124,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.978566066987124,"endHours":24.978566066987124,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.978566066987124,"endHours":25.978566066987124,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.978566066987124,"endHours":26.978566066987124,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.978566066987124,"endHours":27.978566066987124,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.978566066987124,"endHours":28.978566066987124,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.978566066987124,"endHours":29.978566066987124,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.978566066987124,"endHours":30.978566066987124,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.183447161525418,"eotMinutes":3.7208795940131294,"ayanamsa":22.1121}},"calendars":{"vikram_samvat":1932,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1797,"saka_samvatsara":"Yuva","bengali_samvat":1282,"malayalam_era":1051,"nanakshahi_year":406,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Dvādaśī · Vikram 1932 Sarvadhāri · Śaka 1797 Yuva"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 May 17, 1875 CE · Perth, Australia · Vidhyamitra","description":"May 17, 1875 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 06:59, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1875-05-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1875-05-17","sa":"https://sa.vidhyamitra.com/city/perth/1875-05-17","hi":"https://hi.vidhyamitra.com/city/perth/1875-05-17","x-default":"https://vidhyamitra.com/city/perth/1875-05-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:40:48.774Z","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":"2026-05-31T01:40:48.774Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:40:48.774Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}