{"id":"vidhyamitra:city-day:perth:2176-10-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2176-10-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2176-10-31","date_display":"October 31, 2176 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":2176,"month":10,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516131.770833,"kali_year":5278,"ahargana":1927666.2708,"sun":{"sidereal_longitude":190.8257,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":174.1979,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.3722,"elapsed_within_tithi_degrees":7.3722},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.1979,"elapsed_within_degrees":0.8645},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.0235},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2176,"month":10,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2516131.770833,"ahargana":1927666.2708,"kali_year":5278,"ayanamsa_lahiri":26.3232,"grahas":{"sun":{"sidereal_longitude":191.94892100000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":174.663321,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false,"latitude":-4.2603},"mars":{"sidereal_longitude":296.607521,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":212.59152100000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":324.882021,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":234.85632099999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":23.428921000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":282.9644,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.9644,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2176,"month":10,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2516131.770833,"kali_year":5278,"ahargana":1927666.2708,"sun":{"sidereal_longitude":190.8257,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":174.1979,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.3722,"elapsed_within_tithi_degrees":7.3722},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":174.1979,"elapsed_within_degrees":0.8645},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":5.0235},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.26,"elongation":16.628},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.26,"opposition_distance":163.372}},"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":"05:20","sunsetLocal":"18:41","solarNoonLocal":"12:00","dayLengthHours":13.353195200031823,"dayLengthDisplay":"13 Hours 21 Mins 12 Secs","nightLengthDisplay":"10 Hours 38 Mins 48 Secs","moonriseLocal":"04:28","moonsetLocal":"17:14","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:20","startHours":13.670903074161838,"endHours":15.34005247416582,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:20","end":"07:00","startHours":5.32515607414195,"endHours":6.9943054741459285,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:40","end":"10:20","startHours":8.663454874149906,"endHours":10.332604274153883,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:53","startHours":8.440901620816042,"endHours":8.88600812748377,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:14","startHours":5.881539207476609,"endHours":6.237624412810791,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:33","end":"12:27","startHours":11.556647167490135,"endHours":12.44686018082559,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:26","startHours":3.5447300474710404,"endHours":4.4349430608064955,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:20","startHours":4.212389807472632,"endHours":5.32515607414195,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:07","startHours":14.227286207496498,"endHours":15.117499220831952,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.478351274173775,"endHours":18.878351274173774,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:14","startHours":18.678351274173774,"endHours":19.234734407508434,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.428351274173774,"endHours":20.178351274173774,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:33","end":"00:27","startHours":23.556647167490134,"endHours":24.44686018082559,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:20","end":"07:00","startHours":5.32515607414195,"endHours":6.9943054741459285,"quality":"auspicious"},{"name":"Roga","start":"07:00","end":"08:40","startHours":6.9943054741459285,"endHours":8.663454874149906,"quality":"inauspicious"},{"name":"Udveg","start":"08:40","end":"10:20","startHours":8.663454874149906,"endHours":10.332604274153883,"quality":"inauspicious"},{"name":"Chala","start":"10:20","end":"12:00","startHours":10.332604274153883,"endHours":12.001753674157861,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:40","startHours":12.001753674157861,"endHours":13.670903074161838,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:20","startHours":13.670903074161838,"endHours":15.34005247416582,"quality":"auspicious"},{"name":"Kāla","start":"15:20","end":"17:01","startHours":15.34005247416582,"endHours":17.009201874169797,"quality":"inauspicious"},{"name":"Śubha","start":"17:01","end":"18:41","startHours":17.009201874169797,"endHours":18.678351274173774,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:41","end":"20:01","startHours":18.678351274173774,"endHours":20.009201874169797,"quality":"auspicious"},{"name":"Kāla","start":"20:01","end":"21:20","startHours":20.009201874169797,"endHours":21.34005247416582,"quality":"inauspicious"},{"name":"Śubha","start":"21:20","end":"22:40","startHours":21.34005247416582,"endHours":22.670903074161842,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:00","startHours":22.670903074161842,"endHours":24.00175367415786,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:20","startHours":24.00175367415786,"endHours":25.332604274153887,"quality":"inauspicious"},{"name":"Chala","start":"01:20","end":"02:40","startHours":25.332604274153887,"endHours":26.663454874149906,"quality":"neutral"},{"name":"Labha","start":"02:40","end":"04:00","startHours":26.663454874149906,"endHours":27.99430547414593,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:20","startHours":27.99430547414593,"endHours":29.32515607414195,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:20","end":"06:20","startHours":5.32515607414195,"endHours":6.32515607414195,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:20","end":"07:20","startHours":6.32515607414195,"endHours":7.32515607414195,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:20","end":"08:20","startHours":7.32515607414195,"endHours":8.325156074141951,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:20","end":"09:20","startHours":8.325156074141951,"endHours":9.325156074141951,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:20","end":"10:20","startHours":9.325156074141951,"endHours":10.325156074141951,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:20","end":"11:20","startHours":10.325156074141951,"endHours":11.325156074141951,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:20","end":"12:20","startHours":11.325156074141951,"endHours":12.325156074141951,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:20","end":"13:20","startHours":12.325156074141951,"endHours":13.325156074141951,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:20","end":"14:20","startHours":13.325156074141951,"endHours":14.325156074141951,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:20","end":"15:20","startHours":14.325156074141951,"endHours":15.325156074141951,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:20","end":"16:20","startHours":15.325156074141951,"endHours":16.32515607414195,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:20","end":"17:20","startHours":16.32515607414195,"endHours":17.32515607414195,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:20","end":"18:20","startHours":17.32515607414195,"endHours":18.32515607414195,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:20","end":"19:20","startHours":18.32515607414195,"endHours":19.32515607414195,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:20","end":"20:20","startHours":19.32515607414195,"endHours":20.32515607414195,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:20","end":"21:20","startHours":20.32515607414195,"endHours":21.32515607414195,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:20","end":"22:20","startHours":21.32515607414195,"endHours":22.32515607414195,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:20","end":"23:20","startHours":22.32515607414195,"endHours":23.32515607414195,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:20","end":"00:20","startHours":23.32515607414195,"endHours":24.32515607414195,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:20","end":"01:20","startHours":24.32515607414195,"endHours":25.32515607414195,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:20","end":"02:20","startHours":25.32515607414195,"endHours":26.32515607414195,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:20","end":"03:20","startHours":26.32515607414195,"endHours":27.32515607414195,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:20","end":"04:20","startHours":27.32515607414195,"endHours":28.32515607414195,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:20","end":"05:20","startHours":28.32515607414195,"endHours":29.32515607414195,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-West","rahuVasa":"North-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":-14.261884768566912,"eotMinutes":16.45277955052819,"ayanamsa":26.3232}},"calendars":{"vikram_samvat":2233,"vikram_samvatsara":"Virodhi","saka_samvat":2098,"saka_samvatsara":"Dhātṛ","bengali_samvat":1583,"malayalam_era":1352,"nanakshahi_year":707,"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":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Caturdaśī · Vikram 2233 Virodhi · Śaka 2098 Dhātṛ"},"festivals":[{"id":"naraka-chaturdashi","name":"Naraka Caturdaśī (Choṭī Diwālī)","name_sanskrit":"नरक चतुर्दशी","tradition":"Vaishnava","associated_deity":"Krishna (Narakāsura-vadha)","significance":"Krishna slew Narakāsura, freeing 16,000 captive princesses. Day 2 of Diwali.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 10.59"]},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 31, 2176 CE · Perth, Australia · Vidhyamitra","description":"October 31, 2176 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 05:20, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2176-10-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2176-10-31","sa":"https://sa.vidhyamitra.com/city/perth/2176-10-31","hi":"https://hi.vidhyamitra.com/city/perth/2176-10-31","x-default":"https://vidhyamitra.com/city/perth/2176-10-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T17:54:02.327Z","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":"2026-05-31T17:54:02.327Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T17:54:02.327Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}