{"id":"vidhyamitra:city-day:perth:2101-10-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-10-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-10-26","date_display":"October 26, 2101 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":2101,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488732.770833,"kali_year":5203,"ahargana":1900267.2708,"sun":{"sidereal_longitude":186.2288,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":228.3244,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.0957,"elapsed_within_tithi_degrees":6.0957},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3244,"elapsed_within_degrees":1.6578},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.5532},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2101,"month":10,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488732.770833,"ahargana":1900267.2708,"kali_year":5203,"ayanamsa_lahiri":25.2753,"grahas":{"sun":{"sidereal_longitude":187.186864,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":232.06026399999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":-4.122},"mars":{"sidereal_longitude":61.80566399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":177.18156399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":211.09596399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":230.66406400000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":193.84006399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":294.6953,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":114.6953,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3},"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":2101,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488732.770833,"kali_year":5203,"ahargana":1900267.2708,"sun":{"sidereal_longitude":186.2288,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":228.3244,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":42.0957,"elapsed_within_tithi_degrees":6.0957},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":228.3244,"elapsed_within_degrees":1.6578},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.5532},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.122,"elongation":42.096},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.122,"opposition_distance":137.904}},"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":"05:25","sunsetLocal":"18:36","solarNoonLocal":"12:00","dayLengthHours":13.1797857634163,"dayLengthDisplay":"13 Hours 10 Mins 47 Secs","nightLengthDisplay":"10 Hours 49 Mins 13 Secs","moonriseLocal":"07:56","moonsetLocal":"22:04","rahuKala":{"name":"Rāhu Kāla","start":"12:00","end":"13:39","startHours":12.004229670160772,"endHours":13.651702890587808,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:04","end":"08:43","startHours":7.061810008879658,"endHours":8.709283229306696,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:21","end":"12:00","startHours":10.356756449733734,"endHours":12.004229670160772,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:56","startHours":8.489620133249758,"endHours":8.928946325363635,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:58","end":"06:19","startHours":5.963494528594967,"endHours":6.314955482286068,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.564903478046896,"endHours":12.443555862274648,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:39","end":"04:32","startHours":3.6570320199971142,"endHours":4.535684404224868,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:19","end":"05:25","startHours":4.3160213081679295,"endHours":5.414336788452621,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.200860630730153,"endHours":15.079513014957906,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.39412255186892,"endHours":18.79412255186892,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:09","startHours":18.59412255186892,"endHours":19.143280292011266,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.34412255186892,"endHours":20.09412255186892,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.564903478046894,"endHours":24.44355586227465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:25","end":"07:04","startHours":5.414336788452621,"endHours":7.061810008879658,"quality":"auspicious"},{"name":"Amṛta","start":"07:04","end":"08:43","startHours":7.061810008879658,"endHours":8.709283229306696,"quality":"auspicious"},{"name":"Kāla","start":"08:43","end":"10:21","startHours":8.709283229306696,"endHours":10.356756449733734,"quality":"inauspicious"},{"name":"Śubha","start":"10:21","end":"12:00","startHours":10.356756449733734,"endHours":12.004229670160772,"quality":"auspicious"},{"name":"Roga","start":"12:00","end":"13:39","startHours":12.004229670160772,"endHours":13.651702890587808,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:18","startHours":13.651702890587808,"endHours":15.299176111014846,"quality":"inauspicious"},{"name":"Chala","start":"15:18","end":"16:57","startHours":15.299176111014846,"endHours":16.946649331441883,"quality":"neutral"},{"name":"Labha","start":"16:57","end":"18:36","startHours":16.946649331441883,"endHours":18.59412255186892,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:36","end":"19:57","startHours":18.59412255186892,"endHours":19.946649331441883,"quality":"inauspicious"},{"name":"Chala","start":"19:57","end":"21:18","startHours":19.946649331441883,"endHours":21.299176111014845,"quality":"neutral"},{"name":"Labha","start":"21:18","end":"22:39","startHours":21.299176111014845,"endHours":22.651702890587806,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"00:00","startHours":22.651702890587806,"endHours":24.004229670160772,"quality":"auspicious"},{"name":"Kāla","start":"00:00","end":"01:21","startHours":24.004229670160772,"endHours":25.356756449733734,"quality":"inauspicious"},{"name":"Śubha","start":"01:21","end":"02:43","startHours":25.356756449733734,"endHours":26.709283229306696,"quality":"auspicious"},{"name":"Roga","start":"02:43","end":"04:04","startHours":26.709283229306696,"endHours":28.06181000887966,"quality":"inauspicious"},{"name":"Udveg","start":"04:04","end":"05:25","startHours":28.06181000887966,"endHours":29.414336788452623,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:25","end":"06:25","startHours":5.414336788452621,"endHours":6.414336788452621,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:25","end":"07:25","startHours":6.414336788452621,"endHours":7.414336788452621,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:25","end":"08:25","startHours":7.414336788452621,"endHours":8.414336788452621,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:25","end":"09:25","startHours":8.414336788452621,"endHours":9.414336788452621,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:25","end":"10:25","startHours":9.414336788452621,"endHours":10.414336788452621,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:25","end":"11:25","startHours":10.414336788452621,"endHours":11.414336788452621,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:25","end":"12:25","startHours":11.414336788452621,"endHours":12.414336788452621,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:25","end":"13:25","startHours":12.414336788452621,"endHours":13.414336788452621,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:25","end":"14:25","startHours":13.414336788452621,"endHours":14.414336788452621,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:25","end":"15:25","startHours":14.414336788452621,"endHours":15.414336788452621,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:25","end":"16:25","startHours":15.414336788452621,"endHours":16.414336788452623,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:25","end":"17:25","startHours":16.414336788452623,"endHours":17.414336788452623,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:25","end":"18:25","startHours":17.414336788452623,"endHours":18.414336788452623,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:25","end":"19:25","startHours":18.414336788452623,"endHours":19.414336788452623,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:25","end":"20:25","startHours":19.414336788452623,"endHours":20.414336788452623,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:25","end":"21:25","startHours":20.414336788452623,"endHours":21.414336788452623,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:25","end":"22:25","startHours":21.414336788452623,"endHours":22.414336788452623,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:25","end":"23:25","startHours":22.414336788452623,"endHours":23.414336788452623,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:25","end":"00:25","startHours":23.414336788452623,"endHours":24.414336788452623,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:25","end":"01:25","startHours":24.414336788452623,"endHours":25.414336788452623,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:25","end":"02:25","startHours":25.414336788452623,"endHours":26.414336788452623,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:25","end":"03:25","startHours":26.414336788452623,"endHours":27.414336788452623,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:25","end":"04:25","startHours":27.414336788452623,"endHours":28.414336788452623,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:25","end":"05:25","startHours":28.414336788452623,"endHours":29.414336788452623,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"South-West","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.326363654281186,"eotMinutes":16.304219790353635,"ayanamsa":25.2753}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","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":"Kārtika Śukla Caturthī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 26, 2101 CE · Perth, Australia · Vidhyamitra","description":"October 26, 2101 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:25, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-10-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-10-26","sa":"https://sa.vidhyamitra.com/city/perth/2101-10-26","hi":"https://hi.vidhyamitra.com/city/perth/2101-10-26","x-default":"https://vidhyamitra.com/city/perth/2101-10-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:05:59.153Z","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":"2026-06-02T17:05:59.153Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:05:59.153Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}