{"id":"vidhyamitra:city-day:perth:2103-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2103-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-10-07","date_display":"October 7, 2103 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":2103,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489443.770833,"kali_year":5205,"ahargana":1900978.2708,"sun":{"sidereal_longitude":166.8601,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":235.0479,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.1879,"elapsed_within_tithi_degrees":8.1879},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.0479,"elapsed_within_degrees":8.3813},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.908},"karana":{"half_tithi_index":11,"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":2103,"month":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489443.770833,"ahargana":1900978.2708,"kali_year":5205,"ayanamsa_lahiri":25.3025,"grahas":{"sun":{"sidereal_longitude":167.85709900000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":232.803499,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-1.6824},"mars":{"sidereal_longitude":82.11839900000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":170.666699,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":262.200099,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":120.34569899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":212.46839899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":257.0231,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":77.0231,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2103,"month":10,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489443.770833,"kali_year":5205,"ahargana":1900978.2708,"sun":{"sidereal_longitude":166.8601,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":235.0479,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":68.1879,"elapsed_within_tithi_degrees":8.1879},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3,"moon_longitude":235.0479,"elapsed_within_degrees":8.3813},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":41.908},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.682,"elongation":68.188},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.682,"opposition_distance":111.812}},"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":"05:47","sunsetLocal":"18:21","solarNoonLocal":"12:04","dayLengthHours":12.565148116005297,"dayLengthDisplay":"12 Hours 33 Mins 55 Secs","nightLengthDisplay":"11 Hours 26 Mins 05 Secs","moonriseLocal":"09:19","moonsetLocal":"23:28","rahuKala":{"name":"Rāhu Kāla","start":"16:46","end":"18:21","startHours":16.771918040018324,"endHours":18.342561554518987,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:04","end":"13:38","startHours":12.059987496516339,"endHours":13.630631011017,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:46","startHours":15.201274525517661,"endHours":16.771918040018324,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:08","startHours":8.70928133224826,"endHours":9.12811960278177,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:38","startHours":6.300961276680577,"endHours":6.636031893107385,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:29","startHours":11.64114922598283,"endHours":12.478825767049848,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:06","end":"04:56","startHours":4.10206035637965,"endHours":4.93973689744667,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:44","end":"05:47","startHours":4.730317762179915,"endHours":5.7774134385136895,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.15417884918389,"endHours":14.99185539025091,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.142561554518988,"endHours":18.542561554518986,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.342561554518987,"endHours":18.866109392685875,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.092561554518987,"endHours":19.842561554518987,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:29","startHours":23.64114922598283,"endHours":24.478825767049848,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:47","end":"07:21","startHours":5.7774134385136895,"endHours":7.348056953014352,"quality":"inauspicious"},{"name":"Chala","start":"07:21","end":"08:55","startHours":7.348056953014352,"endHours":8.918700467515013,"quality":"neutral"},{"name":"Labha","start":"08:55","end":"10:29","startHours":8.918700467515013,"endHours":10.489343982015676,"quality":"auspicious"},{"name":"Amṛta","start":"10:29","end":"12:04","startHours":10.489343982015676,"endHours":12.059987496516339,"quality":"auspicious"},{"name":"Kāla","start":"12:04","end":"13:38","startHours":12.059987496516339,"endHours":13.630631011017,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:12","startHours":13.630631011017,"endHours":15.201274525517661,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:46","startHours":15.201274525517661,"endHours":16.771918040018324,"quality":"inauspicious"},{"name":"Udveg","start":"16:46","end":"18:21","startHours":16.771918040018324,"endHours":18.342561554518987,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:21","end":"19:46","startHours":18.342561554518987,"endHours":19.771918040018324,"quality":"auspicious"},{"name":"Roga","start":"19:46","end":"21:12","startHours":19.771918040018324,"endHours":21.20127452551766,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:38","startHours":21.20127452551766,"endHours":22.630631011017,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:04","startHours":22.630631011017,"endHours":24.05998749651634,"quality":"neutral"},{"name":"Labha","start":"00:04","end":"01:29","startHours":24.05998749651634,"endHours":25.489343982015676,"quality":"auspicious"},{"name":"Amṛta","start":"01:29","end":"02:55","startHours":25.489343982015676,"endHours":26.918700467515016,"quality":"auspicious"},{"name":"Kāla","start":"02:55","end":"04:21","startHours":26.918700467515016,"endHours":28.348056953014353,"quality":"inauspicious"},{"name":"Śubha","start":"04:21","end":"05:47","startHours":28.348056953014353,"endHours":29.77741343851369,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.7774134385136895,"endHours":6.7774134385136895,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.7774134385136895,"endHours":7.7774134385136895,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.7774134385136895,"endHours":8.77741343851369,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.77741343851369,"endHours":9.77741343851369,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.77741343851369,"endHours":10.77741343851369,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.77741343851369,"endHours":11.77741343851369,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.77741343851369,"endHours":12.77741343851369,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.77741343851369,"endHours":13.77741343851369,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.77741343851369,"endHours":14.77741343851369,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.77741343851369,"endHours":15.77741343851369,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.77741343851369,"endHours":16.77741343851369,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.77741343851369,"endHours":17.77741343851369,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.77741343851369,"endHours":18.77741343851369,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.77741343851369,"endHours":19.77741343851369,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.77741343851369,"endHours":20.77741343851369,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.77741343851369,"endHours":21.77741343851369,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.77741343851369,"endHours":22.77741343851369,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.77741343851369,"endHours":23.77741343851369,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.77741343851369,"endHours":24.77741343851369,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.77741343851369,"endHours":25.77741343851369,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.77741343851369,"endHours":26.77741343851369,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.77741343851369,"endHours":27.77741343851369,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.77741343851369,"endHours":28.77741343851369,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.77741343851369,"endHours":29.77741343851369,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.1952194898354485,"eotMinutes":12.958750209019716,"ayanamsa":25.3025}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Ṣaṣṭhī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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":"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 October 7, 2103 CE · Perth, Australia · Vidhyamitra","description":"October 7, 2103 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:47, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2103-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2103-10-07","sa":"https://sa.vidhyamitra.com/city/perth/2103-10-07","hi":"https://hi.vidhyamitra.com/city/perth/2103-10-07","x-default":"https://vidhyamitra.com/city/perth/2103-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T03:21:12.689Z","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":"2026-05-21T03:21:12.689Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T03:21:12.689Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}