{"id":"vidhyamitra:city-day:perth:1908-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1908-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1908-09-17","date_display":"September 17, 1908 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":1908,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418201.770833,"kali_year":5010,"ahargana":1829736.2708,"sun":{"sidereal_longitude":150.6516,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":53.6262,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.9747,"elapsed_within_tithi_degrees":10.9747},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6262,"elapsed_within_degrees":0.2929},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.2778},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1908,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2418201.770833,"ahargana":1829736.2708,"kali_year":5010,"ayanamsa_lahiri":22.5777,"grahas":{"sun":{"sidereal_longitude":151.162667,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":56.478567,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-1.3998},"mars":{"sidereal_longitude":143.895467,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":172.926467,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":129.559367,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":106.38806699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":346.429867,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":71.7671,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":251.7671,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"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":1908,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2418201.770833,"kali_year":5010,"ahargana":1829736.2708,"sun":{"sidereal_longitude":150.6516,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":53.6262,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.9747,"elapsed_within_tithi_degrees":10.9747},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6262,"elapsed_within_degrees":0.2929},"yoga":{"number":16,"name":"Siddhi","sum_longitude":204.2778},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.4,"elongation":97.025},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.4,"opposition_distance":82.975}},"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":"06:13","sunsetLocal":"18:08","solarNoonLocal":"12:10","dayLengthHours":11.924201555163444,"dayLengthDisplay":"11 Hours 55 Mins 27 Secs","nightLengthDisplay":"12 Hours 04 Mins 33 Secs","moonriseLocal":"00:50","moonsetLocal":"10:53","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:09","startHours":13.662499131805967,"endHours":15.153024326201399,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:13","end":"07:42","startHours":6.209873159828815,"endHours":7.700398354224245,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:11","end":"10:41","startHours":9.190923548619676,"endHours":10.681448743015107,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:23","startHours":8.99218685603362,"endHours":9.389660241205734,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"07:01","startHours":6.7067148912939585,"endHours":7.02469359943165,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:46","end":"12:34","startHours":11.774500552238422,"endHours":12.56944732258265,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:37","end":"05:25","startHours":4.619979619140356,"endHours":5.414926389484585,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:13","end":"06:13","startHours":5.216189696898528,"endHours":6.209873159828815,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.159340863271112,"endHours":14.95428763361534,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.93407471499226,"endHours":18.33407471499226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.13407471499226,"endHours":18.6309164464574,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.88407471499226,"endHours":19.63407471499226,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:46","end":"00:34","startHours":23.77450055223842,"endHours":24.56944732258265,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:13","end":"07:42","startHours":6.209873159828815,"endHours":7.700398354224245,"quality":"auspicious"},{"name":"Roga","start":"07:42","end":"09:11","startHours":7.700398354224245,"endHours":9.190923548619676,"quality":"inauspicious"},{"name":"Udveg","start":"09:11","end":"10:41","startHours":9.190923548619676,"endHours":10.681448743015107,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:10","startHours":10.681448743015107,"endHours":12.171973937410538,"quality":"neutral"},{"name":"Labha","start":"12:10","end":"13:40","startHours":12.171973937410538,"endHours":13.662499131805967,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:09","startHours":13.662499131805967,"endHours":15.153024326201399,"quality":"auspicious"},{"name":"Kāla","start":"15:09","end":"16:39","startHours":15.153024326201399,"endHours":16.643549520596828,"quality":"inauspicious"},{"name":"Śubha","start":"16:39","end":"18:08","startHours":16.643549520596828,"endHours":18.13407471499226,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:08","end":"19:39","startHours":18.13407471499226,"endHours":19.643549520596828,"quality":"auspicious"},{"name":"Kāla","start":"19:39","end":"21:09","startHours":19.643549520596828,"endHours":21.153024326201397,"quality":"inauspicious"},{"name":"Śubha","start":"21:09","end":"22:40","startHours":21.153024326201397,"endHours":22.662499131805966,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:10","startHours":22.662499131805966,"endHours":24.171973937410538,"quality":"inauspicious"},{"name":"Udveg","start":"00:10","end":"01:41","startHours":24.171973937410538,"endHours":25.681448743015107,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:11","startHours":25.681448743015107,"endHours":27.190923548619676,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:42","startHours":27.190923548619676,"endHours":28.700398354224248,"quality":"auspicious"},{"name":"Amṛta","start":"04:42","end":"06:13","startHours":28.700398354224248,"endHours":30.209873159828817,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.209873159828815,"endHours":7.209873159828815,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.209873159828815,"endHours":8.209873159828815,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.209873159828815,"endHours":9.209873159828815,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.209873159828815,"endHours":10.209873159828815,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.209873159828815,"endHours":11.209873159828815,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.209873159828815,"endHours":12.209873159828815,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.209873159828815,"endHours":13.209873159828815,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.209873159828815,"endHours":14.209873159828815,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.209873159828815,"endHours":15.209873159828815,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.209873159828815,"endHours":16.209873159828817,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.209873159828817,"endHours":17.209873159828817,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.209873159828817,"endHours":18.209873159828817,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.209873159828817,"endHours":19.209873159828817,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.209873159828817,"endHours":20.209873159828817,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.209873159828817,"endHours":21.209873159828817,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.209873159828817,"endHours":22.209873159828817,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.209873159828817,"endHours":23.209873159828817,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.209873159828817,"endHours":24.209873159828817,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.209873159828817,"endHours":25.209873159828817,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.209873159828817,"endHours":26.209873159828817,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.209873159828817,"endHours":27.209873159828817,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.209873159828817,"endHours":28.209873159828817,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.209873159828817,"endHours":29.209873159828817,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.209873159828817,"endHours":30.209873159828817,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":2.485488971805877,"eotMinutes":6.239563755367786,"ayanamsa":22.5777}},"calendars":{"vikram_samvat":1965,"vikram_samvatsara":"Durmati","saka_samvat":1830,"saka_samvatsara":"Kīlaka","bengali_samvat":1315,"malayalam_era":1084,"nanakshahi_year":439,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Saptamī · Vikram 1965 Durmati · Śaka 1830 Kīlaka"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[]},"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 September 17, 1908 CE · Perth, Australia · Vidhyamitra","description":"September 17, 1908 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:13, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1908-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1908-09-17","sa":"https://sa.vidhyamitra.com/city/perth/1908-09-17","hi":"https://hi.vidhyamitra.com/city/perth/1908-09-17","x-default":"https://vidhyamitra.com/city/perth/1908-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-26T20:38:55.529Z","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":"2026-05-26T20:38:55.529Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-26T20:38:55.529Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}