{"id":"vidhyamitra:city-day:perth:2107-10-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2107-10-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-10-01","date_display":"October 1, 2107 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":2107,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490898.770833,"kali_year":5209,"ahargana":1902433.2708,"sun":{"sidereal_longitude":160.9252,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.4861,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.5609,"elapsed_within_tithi_degrees":10.5609},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.4861,"elapsed_within_degrees":7.4861},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4113},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2107,"month":10,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490898.770833,"ahargana":1902433.2708,"kali_year":5209,"ayanamsa_lahiri":25.3581,"grahas":{"sun":{"sidereal_longitude":161.93160699999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":328.85260700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":2.4124},"mars":{"sidereal_longitude":109.91060699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":164.86710700000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":54.583707000000004,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":179.73310700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":254.85830699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":179.9302,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":359.9302,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2107,"month":10,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490898.770833,"kali_year":5209,"ahargana":1902433.2708,"sun":{"sidereal_longitude":160.9252,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":327.4861,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.5609,"elapsed_within_tithi_degrees":10.5609},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":327.4861,"elapsed_within_degrees":7.4861},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.4113},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.412,"elongation":166.561},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.412,"opposition_distance":13.439}},"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":"05:54","sunsetLocal":"18:17","solarNoonLocal":"12:05","dayLengthHours":12.371961111922152,"dayLengthDisplay":"12 Hours 22 Mins 19 Secs","nightLengthDisplay":"11 Hours 37 Mins 41 Secs","moonriseLocal":"17:05","moonsetLocal":"05:22","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:33","startHours":8.99684698557639,"endHours":10.543342124566658,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:11","startHours":13.636332402547197,"endHours":15.182827541537465,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:54","end":"07:27","startHours":5.9038567075958515,"endHours":7.450351846586121,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:12","startHours":8.790647633711021,"endHours":9.203046337441759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:45","startHours":6.419355087259275,"endHours":6.749274050243866,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:30","startHours":11.677438559826188,"endHours":12.502235967287666,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:15","end":"05:05","startHours":4.254261892672898,"endHours":5.079059300134375,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:54","startHours":4.872859948269006,"endHours":5.9038567075958515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.151830782210618,"endHours":14.976628189672095,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.075817819518004,"endHours":18.475817819518003,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:47","startHours":18.275817819518004,"endHours":18.791316199181427,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.025817819518004,"endHours":19.775817819518004,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:30","startHours":23.67743855982619,"endHours":24.502235967287664,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:54","end":"07:27","startHours":5.9038567075958515,"endHours":7.450351846586121,"quality":"inauspicious"},{"name":"Śubha","start":"07:27","end":"09:00","startHours":7.450351846586121,"endHours":8.99684698557639,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:33","startHours":8.99684698557639,"endHours":10.543342124566658,"quality":"inauspicious"},{"name":"Udveg","start":"10:33","end":"12:05","startHours":10.543342124566658,"endHours":12.089837263556927,"quality":"inauspicious"},{"name":"Chala","start":"12:05","end":"13:38","startHours":12.089837263556927,"endHours":13.636332402547197,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:11","startHours":13.636332402547197,"endHours":15.182827541537465,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:44","startHours":15.182827541537465,"endHours":16.729322680527737,"quality":"auspicious"},{"name":"Kāla","start":"16:44","end":"18:17","startHours":16.729322680527737,"endHours":18.275817819518004,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:17","end":"19:44","startHours":18.275817819518004,"endHours":19.729322680527734,"quality":"auspicious"},{"name":"Amṛta","start":"19:44","end":"21:11","startHours":19.729322680527734,"endHours":21.182827541537467,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:38","startHours":21.182827541537467,"endHours":22.636332402547197,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:05","startHours":22.636332402547197,"endHours":24.089837263556927,"quality":"auspicious"},{"name":"Roga","start":"00:05","end":"01:33","startHours":24.089837263556927,"endHours":25.543342124566657,"quality":"inauspicious"},{"name":"Udveg","start":"01:33","end":"03:00","startHours":25.543342124566657,"endHours":26.99684698557639,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:27","startHours":26.99684698557639,"endHours":28.45035184658612,"quality":"neutral"},{"name":"Labha","start":"04:27","end":"05:54","startHours":28.45035184658612,"endHours":29.90385670759585,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.9038567075958515,"endHours":6.9038567075958515,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.9038567075958515,"endHours":7.9038567075958515,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.9038567075958515,"endHours":8.903856707595851,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.903856707595851,"endHours":9.903856707595851,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.903856707595851,"endHours":10.903856707595851,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.903856707595851,"endHours":11.903856707595851,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.903856707595851,"endHours":12.903856707595851,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.903856707595851,"endHours":13.903856707595851,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.903856707595851,"endHours":14.903856707595851,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.903856707595851,"endHours":15.903856707595851,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.903856707595851,"endHours":16.90385670759585,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.90385670759585,"endHours":17.90385670759585,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.90385670759585,"endHours":18.90385670759585,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.90385670759585,"endHours":19.90385670759585,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.90385670759585,"endHours":20.90385670759585,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.90385670759585,"endHours":21.90385670759585,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.90385670759585,"endHours":22.90385670759585,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.90385670759585,"endHours":23.90385670759585,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.90385670759585,"endHours":24.90385670759585,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.90385670759585,"endHours":25.90385670759585,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.90385670759585,"endHours":26.90385670759585,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.90385670759585,"endHours":27.90385670759585,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.90385670759585,"endHours":28.90385670759585,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.90385670759585,"endHours":29.90385670759585,"planetary_lord":"Mercury"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"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":-2.8927661295399547,"eotMinutes":11.167764186584405,"ayanamsa":25.3581}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturdaśī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 October 1, 2107 CE · Perth, Australia · Vidhyamitra","description":"October 1, 2107 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:54, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2107-10-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2107-10-01","sa":"https://sa.vidhyamitra.com/city/perth/2107-10-01","hi":"https://hi.vidhyamitra.com/city/perth/2107-10-01","x-default":"https://vidhyamitra.com/city/perth/2107-10-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T10:21:22.507Z","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":"2026-05-21T10:21:22.507Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T10:21:22.507Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}