{"id":"vidhyamitra:city-day:perth:2128-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2128-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2128-10-17","date_display":"October 17, 2128 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":2128,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498585.770833,"kali_year":5230,"ahargana":1910120.2708,"sun":{"sidereal_longitude":177.2775,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":95.8612,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.5836,"elapsed_within_tithi_degrees":2.5836},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.8612,"elapsed_within_degrees":2.5279},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.1387},"karana":{"half_tithi_index":46,"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":2128,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498585.770833,"ahargana":1910120.2708,"kali_year":5230,"ayanamsa_lahiri":25.6521,"grahas":{"sun":{"sidereal_longitude":178.32320700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":95.55350699999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false,"latitude":-2.6922},"mars":{"sidereal_longitude":152.88140699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":170.804307,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":305.656707,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":217.502207,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":166.88910699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":132.6359,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":312.6359,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2128,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498585.770833,"kali_year":5230,"ahargana":1910120.2708,"sun":{"sidereal_longitude":177.2775,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":95.8612,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.5836,"elapsed_within_tithi_degrees":2.5836},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":95.8612,"elapsed_within_degrees":2.5279},"yoga":{"number":21,"name":"Siddha","sum_longitude":273.1387},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.692,"elongation":81.416},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.692,"opposition_distance":98.584}},"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":"05:34","sunsetLocal":"18:29","solarNoonLocal":"12:01","dayLengthHours":12.915095059929548,"dayLengthDisplay":"12 Hours 54 Mins 54 Secs","nightLengthDisplay":"11 Hours 05 Mins 06 Secs","moonriseLocal":"01:19","moonsetLocal":"11:41","rahuKala":{"name":"Rāhu Kāla","start":"16:52","end":"18:29","startHours":16.86533698810645,"endHours":18.479723870597642,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:38","startHours":12.022176340632868,"endHours":13.63656322312406,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:15","end":"16:52","startHours":15.250950105615255,"endHours":16.86533698810645,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:01","startHours":8.57815099131832,"endHours":9.00865415998264,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:27","startHours":6.102757771498491,"endHours":6.447160306429946,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.59167317196855,"endHours":12.452679509297186,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:42","startHours":3.8426161360108204,"endHours":4.703622473339457,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:34","startHours":4.488370889007298,"endHours":5.5646288106680935,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:02","startHours":14.174692183954459,"endHours":15.035698521283095,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.279723870597643,"endHours":18.67972387059764,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:01","startHours":18.479723870597642,"endHours":19.01785283142804,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.229723870597642,"endHours":19.979723870597642,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.591673171968548,"endHours":24.452679509297187,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:34","end":"07:11","startHours":5.5646288106680935,"endHours":7.179015693159287,"quality":"inauspicious"},{"name":"Chala","start":"07:11","end":"08:48","startHours":7.179015693159287,"endHours":8.79340257565048,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:24","startHours":8.79340257565048,"endHours":10.407789458141675,"quality":"auspicious"},{"name":"Amṛta","start":"10:24","end":"12:01","startHours":10.407789458141675,"endHours":12.022176340632868,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:38","startHours":12.022176340632868,"endHours":13.63656322312406,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:15","startHours":13.63656322312406,"endHours":15.250950105615255,"quality":"auspicious"},{"name":"Roga","start":"15:15","end":"16:52","startHours":15.250950105615255,"endHours":16.86533698810645,"quality":"inauspicious"},{"name":"Udveg","start":"16:52","end":"18:29","startHours":16.86533698810645,"endHours":18.479723870597642,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:29","end":"19:52","startHours":18.479723870597642,"endHours":19.86533698810645,"quality":"auspicious"},{"name":"Roga","start":"19:52","end":"21:15","startHours":19.86533698810645,"endHours":21.250950105615253,"quality":"inauspicious"},{"name":"Udveg","start":"21:15","end":"22:38","startHours":21.250950105615253,"endHours":22.63656322312406,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:01","startHours":22.63656322312406,"endHours":24.022176340632868,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:24","startHours":24.022176340632868,"endHours":25.407789458141675,"quality":"auspicious"},{"name":"Amṛta","start":"01:24","end":"02:48","startHours":25.407789458141675,"endHours":26.793402575650482,"quality":"auspicious"},{"name":"Kāla","start":"02:48","end":"04:11","startHours":26.793402575650482,"endHours":28.179015693159286,"quality":"inauspicious"},{"name":"Śubha","start":"04:11","end":"05:34","startHours":28.179015693159286,"endHours":29.564628810668093,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.5646288106680935,"endHours":6.5646288106680935,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.5646288106680935,"endHours":7.5646288106680935,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.5646288106680935,"endHours":8.564628810668093,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.564628810668093,"endHours":9.564628810668093,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.564628810668093,"endHours":10.564628810668093,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.564628810668093,"endHours":11.564628810668093,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.564628810668093,"endHours":12.564628810668093,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.564628810668093,"endHours":13.564628810668093,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.564628810668093,"endHours":14.564628810668093,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.564628810668093,"endHours":15.564628810668093,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.564628810668093,"endHours":16.564628810668093,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.564628810668093,"endHours":17.564628810668093,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.564628810668093,"endHours":18.564628810668093,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.564628810668093,"endHours":19.564628810668093,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.564628810668093,"endHours":20.564628810668093,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.564628810668093,"endHours":21.564628810668093,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.564628810668093,"endHours":22.564628810668093,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.564628810668093,"endHours":23.564628810668093,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.564628810668093,"endHours":24.564628810668093,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.564628810668093,"endHours":25.564628810668093,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.564628810668093,"endHours":26.564628810668093,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.564628810668093,"endHours":27.564628810668093,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.564628810668093,"endHours":28.564628810668093,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.564628810668093,"endHours":29.564628810668093,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","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":-9.300693046920202,"eotMinutes":15.227419562027912,"ayanamsa":25.6521}},"calendars":{"vikram_samvat":2185,"vikram_samvatsara":"Plava","saka_samvat":2050,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1535,"malayalam_era":1304,"nanakshahi_year":659,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","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":"Kārtika Kṛṣṇa Navamī · Vikram 2185 Plava · Śaka 2050 Sarvadhāri"},"festivals":[],"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":[]},"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 17, 2128 CE · Perth, Australia · Vidhyamitra","description":"October 17, 2128 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:34, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2128-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2128-10-17","sa":"https://sa.vidhyamitra.com/city/perth/2128-10-17","hi":"https://hi.vidhyamitra.com/city/perth/2128-10-17","x-default":"https://vidhyamitra.com/city/perth/2128-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T03:35:51.369Z","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":"2026-06-01T03:35:51.369Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T03:35:51.369Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}