{"id":"vidhyamitra:city-day:perth:2126-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2126-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2126-10-20","date_display":"October 20, 2126 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":2126,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497857.770833,"kali_year":5228,"ahargana":1909392.2708,"sun":{"sidereal_longitude":179.7795,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":228.2427,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.4632,"elapsed_within_tithi_degrees":0.4632},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.2427,"elapsed_within_degrees":1.576},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.0222},"karana":{"half_tithi_index":8,"name":"Bava"},"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":2126,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2497857.770833,"ahargana":1909392.2708,"kali_year":5228,"ayanamsa_lahiri":25.6243,"grahas":{"sun":{"sidereal_longitude":180.81522199999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":231.651122,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":3.7743},"mars":{"sidereal_longitude":142.13442199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":168.87232199999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":242.331822,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":186.13602200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":144.78412200000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":171.2089,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":351.2089,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2126,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2497857.770833,"kali_year":5228,"ahargana":1909392.2708,"sun":{"sidereal_longitude":179.7795,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":228.2427,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":48.4632,"elapsed_within_tithi_degrees":0.4632},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.2427,"elapsed_within_degrees":1.576},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":48.0222},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.774,"elongation":48.463},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.774,"opposition_distance":131.537}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-1.416,"opposition_distance":1.778}]},"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":"05:31","sunsetLocal":"18:31","solarNoonLocal":"12:01","dayLengthHours":12.993087771965564,"dayLengthDisplay":"12 Hours 59 Mins 35 Secs","nightLengthDisplay":"11 Hours 00 Mins 25 Secs","moonriseLocal":"08:20","moonsetLocal":"22:28","rahuKala":{"name":"Rāhu Kāla","start":"16:53","end":"18:31","startHours":16.886760060416563,"endHours":18.51089603191226,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:01","end":"13:38","startHours":12.014352145929479,"endHours":13.638488117425174,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:16","end":"16:53","startHours":15.26262408892087,"endHours":16.886760060416563,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.549528740071995,"endHours":8.98263166580418,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:24","startHours":6.059186917111928,"endHours":6.405669257697676,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.581249220197293,"endHours":12.447455071661665,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:47","end":"04:39","startHours":3.785396557017954,"endHours":4.651602408482325,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:31","startHours":4.435050945616232,"endHours":5.517808259946696,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:03","startHours":14.179866774590407,"endHours":15.046072626054778,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31089603191226,"endHours":18.71089603191226,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:03","startHours":18.51089603191226,"endHours":19.052274689077493,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26089603191226,"endHours":20.01089603191226,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.581249220197293,"endHours":24.447455071661665,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:31","end":"07:09","startHours":5.517808259946696,"endHours":7.141944231442391,"quality":"inauspicious"},{"name":"Chala","start":"07:09","end":"08:46","startHours":7.141944231442391,"endHours":8.766080202938086,"quality":"neutral"},{"name":"Labha","start":"08:46","end":"10:23","startHours":8.766080202938086,"endHours":10.390216174433782,"quality":"auspicious"},{"name":"Amṛta","start":"10:23","end":"12:01","startHours":10.390216174433782,"endHours":12.014352145929479,"quality":"auspicious"},{"name":"Kāla","start":"12:01","end":"13:38","startHours":12.014352145929479,"endHours":13.638488117425174,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:16","startHours":13.638488117425174,"endHours":15.26262408892087,"quality":"auspicious"},{"name":"Roga","start":"15:16","end":"16:53","startHours":15.26262408892087,"endHours":16.886760060416563,"quality":"inauspicious"},{"name":"Udveg","start":"16:53","end":"18:31","startHours":16.886760060416563,"endHours":18.51089603191226,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:31","end":"19:53","startHours":18.51089603191226,"endHours":19.886760060416563,"quality":"auspicious"},{"name":"Roga","start":"19:53","end":"21:16","startHours":19.886760060416563,"endHours":21.26262408892087,"quality":"inauspicious"},{"name":"Udveg","start":"21:16","end":"22:38","startHours":21.26262408892087,"endHours":22.638488117425172,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:01","startHours":22.638488117425172,"endHours":24.01435214592948,"quality":"neutral"},{"name":"Labha","start":"00:01","end":"01:23","startHours":24.01435214592948,"endHours":25.39021617443378,"quality":"auspicious"},{"name":"Amṛta","start":"01:23","end":"02:46","startHours":25.39021617443378,"endHours":26.766080202938085,"quality":"auspicious"},{"name":"Kāla","start":"02:46","end":"04:09","startHours":26.766080202938085,"endHours":28.14194423144239,"quality":"inauspicious"},{"name":"Śubha","start":"04:09","end":"05:31","startHours":28.14194423144239,"endHours":29.517808259946698,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.517808259946696,"endHours":6.517808259946696,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.517808259946696,"endHours":7.517808259946696,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.517808259946696,"endHours":8.517808259946696,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.517808259946696,"endHours":9.517808259946696,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.517808259946696,"endHours":10.517808259946696,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.517808259946696,"endHours":11.517808259946696,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.517808259946696,"endHours":12.517808259946696,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.517808259946696,"endHours":13.517808259946696,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.517808259946696,"endHours":14.517808259946696,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.517808259946696,"endHours":15.517808259946696,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.517808259946696,"endHours":16.517808259946698,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.517808259946698,"endHours":17.517808259946698,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.517808259946698,"endHours":18.517808259946698,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.517808259946698,"endHours":19.517808259946698,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.517808259946698,"endHours":20.517808259946698,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.517808259946698,"endHours":21.517808259946698,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.517808259946698,"endHours":22.517808259946698,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.517808259946698,"endHours":23.517808259946698,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.517808259946698,"endHours":24.517808259946698,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.517808259946698,"endHours":25.517808259946698,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.517808259946698,"endHours":26.517808259946698,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.517808259946698,"endHours":27.517808259946698,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.517808259946698,"endHours":28.517808259946698,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.517808259946698,"endHours":29.517808259946698,"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"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-10.200395960016541,"eotMinutes":15.696871244231174,"ayanamsa":25.6243}},"calendars":{"vikram_samvat":2183,"vikram_samvatsara":"Vikāri","saka_samvat":2048,"saka_samvatsara":"Vyaya","bengali_samvat":1533,"malayalam_era":1302,"nanakshahi_year":657,"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":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Pañcamī · Vikram 2183 Vikāri · Śaka 2048 Vyaya"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"Tulā"},"precedence":5}],"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 20, 2126 CE · Perth, Australia · Vidhyamitra","description":"October 20, 2126 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:31, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2126-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2126-10-20","sa":"https://sa.vidhyamitra.com/city/perth/2126-10-20","hi":"https://hi.vidhyamitra.com/city/perth/2126-10-20","x-default":"https://vidhyamitra.com/city/perth/2126-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:09:25.834Z","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":"2026-06-01T12:09:25.834Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:09:25.834Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}