{"id":"vidhyamitra:city-day:perth:2109-10-05:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2109-10-05","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2109-10-05","date_display":"October 5, 2109 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":2109,"month":10,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491633.770833,"kali_year":5211,"ahargana":1903168.2708,"sun":{"sidereal_longitude":165.3309,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":299.5447,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.2138,"elapsed_within_tithi_degrees":2.2138},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.5447,"elapsed_within_degrees":6.2114},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8756},"karana":{"half_tithi_index":22,"name":"Bava"},"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":2109,"month":10,"day":5,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2491633.770833,"ahargana":1903168.2708,"kali_year":5211,"ayanamsa_lahiri":25.3862,"grahas":{"sun":{"sidereal_longitude":166.343025,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":301.71022500000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false,"latitude":1.6435},"mars":{"sidereal_longitude":125.728025,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":159.82152500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":113.37752499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":211.41772500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":277.664625,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":140.9863,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":320.9863,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2109,"month":10,"day":5,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2491633.770833,"kali_year":5211,"ahargana":1903168.2708,"sun":{"sidereal_longitude":165.3309,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":299.5447,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":134.2138,"elapsed_within_tithi_degrees":2.2138},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":299.5447,"elapsed_within_degrees":6.2114},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":104.8756},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.644,"elongation":134.214},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.644,"opposition_distance":45.786}},"eclipse_window_40days":[{"offset_days":-10,"type":"solar","occurs":true,"moon_latitude":1.308,"elongation":2.915}]},"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":"05:49","sunsetLocal":"18:20","solarNoonLocal":"12:04","dayLengthHours":12.518210704999545,"dayLengthDisplay":"12 Hours 31 Mins 06 Secs","nightLengthDisplay":"11 Hours 28 Mins 54 Secs","moonriseLocal":"14:31","moonsetLocal":"03:40","rahuKala":{"name":"Rāhu Kāla","start":"08:56","end":"10:30","startHours":8.939875986077299,"endHours":10.50465232420224,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:12","startHours":13.634205000452127,"endHours":15.19898133857707,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:49","end":"07:23","startHours":5.810323309827412,"endHours":7.375099647952355,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:09","startHours":8.731239140993972,"endHours":9.148512831160623,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:40","startHours":6.331915422535727,"endHours":6.665734374669048,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:29","startHours":11.652154972160533,"endHours":12.486702352493834,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"04:59","startHours":4.141228549160806,"endHours":4.975775929494109,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:49","startHours":4.7671390844107835,"endHours":5.810323309827412,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.155797113160443,"endHours":14.990344493493746,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.128534014826958,"endHours":18.528534014826956,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:51","startHours":18.328534014826957,"endHours":18.850126127535273,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.078534014826957,"endHours":19.828534014826957,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:29","startHours":23.65215497216053,"endHours":24.486702352493836,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:49","end":"07:23","startHours":5.810323309827412,"endHours":7.375099647952355,"quality":"inauspicious"},{"name":"Śubha","start":"07:23","end":"08:56","startHours":7.375099647952355,"endHours":8.939875986077299,"quality":"auspicious"},{"name":"Roga","start":"08:56","end":"10:30","startHours":8.939875986077299,"endHours":10.50465232420224,"quality":"inauspicious"},{"name":"Udveg","start":"10:30","end":"12:04","startHours":10.50465232420224,"endHours":12.069428662327184,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:38","startHours":12.069428662327184,"endHours":13.634205000452127,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:12","startHours":13.634205000452127,"endHours":15.19898133857707,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:46","startHours":15.19898133857707,"endHours":16.763757676702014,"quality":"auspicious"},{"name":"Kāla","start":"16:46","end":"18:20","startHours":16.763757676702014,"endHours":18.328534014826957,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:20","end":"19:46","startHours":18.328534014826957,"endHours":19.763757676702014,"quality":"auspicious"},{"name":"Amṛta","start":"19:46","end":"21:12","startHours":19.763757676702014,"endHours":21.19898133857707,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:38","startHours":21.19898133857707,"endHours":22.634205000452127,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:04","startHours":22.634205000452127,"endHours":24.069428662327184,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:30","startHours":24.069428662327184,"endHours":25.50465232420224,"quality":"inauspicious"},{"name":"Udveg","start":"01:30","end":"02:56","startHours":25.50465232420224,"endHours":26.939875986077297,"quality":"inauspicious"},{"name":"Chala","start":"02:56","end":"04:23","startHours":26.939875986077297,"endHours":28.375099647952354,"quality":"neutral"},{"name":"Labha","start":"04:23","end":"05:49","startHours":28.375099647952354,"endHours":29.81032330982741,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.810323309827412,"endHours":6.810323309827412,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.810323309827412,"endHours":7.810323309827412,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.810323309827412,"endHours":8.810323309827412,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.810323309827412,"endHours":9.810323309827412,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.810323309827412,"endHours":10.810323309827412,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.810323309827412,"endHours":11.810323309827412,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.810323309827412,"endHours":12.810323309827412,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.810323309827412,"endHours":13.810323309827412,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.810323309827412,"endHours":14.810323309827412,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.810323309827412,"endHours":15.810323309827412,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.810323309827412,"endHours":16.81032330982741,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.81032330982741,"endHours":17.81032330982741,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.81032330982741,"endHours":18.81032330982741,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.81032330982741,"endHours":19.81032330982741,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.81032330982741,"endHours":20.81032330982741,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.81032330982741,"endHours":21.81032330982741,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.81032330982741,"endHours":22.81032330982741,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.81032330982741,"endHours":23.81032330982741,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.81032330982741,"endHours":24.81032330982741,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.81032330982741,"endHours":25.81032330982741,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.81032330982741,"endHours":26.81032330982741,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.81032330982741,"endHours":27.81032330982741,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.81032330982741,"endHours":28.81032330982741,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.81032330982741,"endHours":29.81032330982741,"planetary_lord":"Mercury"}],"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":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.637640231123049,"eotMinutes":12.392280260369008,"ayanamsa":25.3862}},"calendars":{"vikram_samvat":2166,"vikram_samvatsara":"Citrabhānu","saka_samvat":2031,"saka_samvatsara":"Śukla","bengali_samvat":1516,"malayalam_era":1285,"nanakshahi_year":640,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Dvādaśī · Vikram 2166 Citrabhānu · Śaka 2031 Śukla"},"festivals":[],"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 5, 2109 CE · Perth, Australia · Vidhyamitra","description":"October 5, 2109 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 05:49, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2109-10-05","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2109-10-05","sa":"https://sa.vidhyamitra.com/city/perth/2109-10-05","hi":"https://hi.vidhyamitra.com/city/perth/2109-10-05","x-default":"https://vidhyamitra.com/city/perth/2109-10-05"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:27:57.632Z","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":"2026-06-02T10:27:57.632Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:27:57.632Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}