{"id":"vidhyamitra:city-day:perth:2180-10-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2180-10-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-10-26","date_display":"October 26, 2180 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":2180,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517587.770833,"kali_year":5282,"ahargana":1929122.2708,"sun":{"sidereal_longitude":185.7874,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":277.6066,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":91.8191,"elapsed_within_tithi_degrees":7.8191},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":277.6066,"elapsed_within_degrees":10.9399},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.394},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2180,"month":10,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517587.770833,"ahargana":1929122.2708,"kali_year":5282,"ayanamsa_lahiri":26.3789,"grahas":{"sun":{"sidereal_longitude":186.93819099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":281.630091,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":4.2742},"mars":{"sidereal_longitude":62.60329100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":176.95549099999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":110.92269099999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":159.84949099999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":82.30689100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":205.8185,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":25.8185,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"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":2180,"month":10,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517587.770833,"kali_year":5282,"ahargana":1929122.2708,"sun":{"sidereal_longitude":185.7874,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":277.6066,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":91.8191,"elapsed_within_tithi_degrees":7.8191},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":277.6066,"elapsed_within_degrees":10.9399},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":103.394},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.274,"elongation":91.819},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.274,"opposition_distance":88.181}},"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":"05:24","sunsetLocal":"18:36","solarNoonLocal":"12:00","dayLengthHours":13.205760182334657,"dayLengthDisplay":"13 Hours 12 Mins 21 Secs","nightLengthDisplay":"10 Hours 47 Mins 39 Secs","moonriseLocal":"11:29","moonsetLocal":"01:09","rahuKala":{"name":"Rāhu Kāla","start":"13:39","end":"15:18","startHours":13.654949692952602,"endHours":15.305669715744436,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:24","end":"07:03","startHours":5.401349578993442,"endHours":7.052069601785274,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:42","end":"10:21","startHours":8.702789624577107,"endHours":10.353509647368938,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:55","startHours":8.482693621538196,"endHours":8.922885627616017,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:18","startHours":5.951589586590719,"endHours":6.303743191452977,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.56403766408295,"endHours":12.444421676238594,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:31","startHours":3.6405815546821545,"endHours":4.520965566837798,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:24","startHours":4.300869563798887,"endHours":5.401349578993442,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.20518970054988,"endHours":15.085573712705523,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.4071097613281,"endHours":18.8071097613281,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:09","startHours":18.6071097613281,"endHours":19.15734976892538,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.3571097613281,"endHours":20.1071097613281,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.56403766408295,"endHours":24.444421676238594,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:24","end":"07:03","startHours":5.401349578993442,"endHours":7.052069601785274,"quality":"auspicious"},{"name":"Roga","start":"07:03","end":"08:42","startHours":7.052069601785274,"endHours":8.702789624577107,"quality":"inauspicious"},{"name":"Udveg","start":"08:42","end":"10:21","startHours":8.702789624577107,"endHours":10.353509647368938,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"12:00","startHours":10.353509647368938,"endHours":12.004229670160772,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:39","startHours":12.004229670160772,"endHours":13.654949692952602,"quality":"auspicious"},{"name":"Amṛta","start":"13:39","end":"15:18","startHours":13.654949692952602,"endHours":15.305669715744436,"quality":"auspicious"},{"name":"Kāla","start":"15:18","end":"16:57","startHours":15.305669715744436,"endHours":16.956389738536267,"quality":"inauspicious"},{"name":"Śubha","start":"16:57","end":"18:36","startHours":16.956389738536267,"endHours":18.6071097613281,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:36","end":"19:57","startHours":18.6071097613281,"endHours":19.956389738536267,"quality":"auspicious"},{"name":"Kāla","start":"19:57","end":"21:18","startHours":19.956389738536267,"endHours":21.305669715744436,"quality":"inauspicious"},{"name":"Śubha","start":"21:18","end":"22:39","startHours":21.305669715744436,"endHours":22.654949692952606,"quality":"auspicious"},{"name":"Roga","start":"22:39","end":"00:00","startHours":22.654949692952606,"endHours":24.004229670160772,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:21","startHours":24.004229670160772,"endHours":25.353509647368938,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:42","startHours":25.353509647368938,"endHours":26.702789624577107,"quality":"neutral"},{"name":"Labha","start":"02:42","end":"04:03","startHours":26.702789624577107,"endHours":28.052069601785277,"quality":"auspicious"},{"name":"Amṛta","start":"04:03","end":"05:24","startHours":28.052069601785277,"endHours":29.401349578993443,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.401349578993442,"endHours":6.401349578993442,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.401349578993442,"endHours":7.401349578993442,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.401349578993442,"endHours":8.401349578993443,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.401349578993443,"endHours":9.401349578993443,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.401349578993443,"endHours":10.401349578993443,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.401349578993443,"endHours":11.401349578993443,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.401349578993443,"endHours":12.401349578993443,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.401349578993443,"endHours":13.401349578993443,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.401349578993443,"endHours":14.401349578993443,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.401349578993443,"endHours":15.401349578993443,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.401349578993443,"endHours":16.401349578993443,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.401349578993443,"endHours":17.401349578993443,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.401349578993443,"endHours":18.401349578993443,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.401349578993443,"endHours":19.401349578993443,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.401349578993443,"endHours":20.401349578993443,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.401349578993443,"endHours":21.401349578993443,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.401349578993443,"endHours":22.401349578993443,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.401349578993443,"endHours":23.401349578993443,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.401349578993443,"endHours":24.401349578993443,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.401349578993443,"endHours":25.401349578993443,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.401349578993443,"endHours":26.401349578993443,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.401349578993443,"endHours":27.401349578993443,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.401349578993443,"endHours":28.401349578993443,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.401349578993443,"endHours":29.401349578993443,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","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":-12.618794062912743,"eotMinutes":16.304219790353635,"ayanamsa":26.3789}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"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 Aṣṭamī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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, 2180 CE · Perth, Australia · Vidhyamitra","description":"October 26, 2180 CE for Perth, Australia: Śukla Aṣṭamī, sūryodaya 05:24, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2180-10-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2180-10-26","sa":"https://sa.vidhyamitra.com/city/perth/2180-10-26","hi":"https://hi.vidhyamitra.com/city/perth/2180-10-26","x-default":"https://vidhyamitra.com/city/perth/2180-10-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:31:01.697Z","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":"2026-06-01T05:31:01.697Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:31:01.697Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}