{"id":"vidhyamitra:city-day:perth:2127-10-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2127-10-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2127-10-04","date_display":"October 4, 2127 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":2127,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498206.770833,"kali_year":5229,"ahargana":1909741.2708,"sun":{"sidereal_longitude":163.7,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":136.9064,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.2064,"elapsed_within_tithi_degrees":9.2064},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.9064,"elapsed_within_degrees":3.5731},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.6065},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2127,"month":10,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2498206.770833,"ahargana":1909741.2708,"kali_year":5229,"ayanamsa_lahiri":25.6376,"grahas":{"sun":{"sidereal_longitude":164.755588,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"moon":{"sidereal_longitude":138.00448800000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false,"latitude":-1.2249},"mars":{"sidereal_longitude":253.743788,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":152.73588799999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":270.4961880000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":117.17178799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":154.193988,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":152.7172,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":332.7172,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2127,"month":10,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2498206.770833,"kali_year":5229,"ahargana":1909741.2708,"sun":{"sidereal_longitude":163.7,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":136.9064,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.2064,"elapsed_within_tithi_degrees":9.2064},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2,"moon_longitude":136.9064,"elapsed_within_degrees":3.5731},"yoga":{"number":23,"name":"Śubha","sum_longitude":300.6065},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.225,"elongation":26.794},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.225,"opposition_distance":153.206}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":0.905,"elongation":1.449}]},"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":"05:50","sunsetLocal":"18:19","solarNoonLocal":"12:04","dayLengthHours":12.474278399556987,"dayLengthDisplay":"12 Hours 28 Mins 27 Secs","nightLengthDisplay":"11 Hours 31 Mins 33 Secs","moonriseLocal":"04:31","moonsetLocal":"16:04","rahuKala":{"name":"Rāhu Kāla","start":"08:57","end":"10:31","startHours":8.955779346982585,"endHours":10.515064146927207,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:12","startHours":13.633633746816454,"endHours":15.192918546761078,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:50","end":"07:24","startHours":5.837209747093337,"endHours":7.39649454703796,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:10","startHours":8.747874706989968,"endHours":9.163683986975201,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:41","startHours":6.356971347074878,"endHours":6.689618771063064,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:29","startHours":11.658539666886597,"endHours":12.490158226857062,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:00","startHours":4.173972627152406,"endHours":5.005591187122871,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:50","startHours":4.7976865471302546,"endHours":5.837209747093337,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:59","startHours":14.153395346797993,"endHours":14.985013906768458,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:07","end":"18:31","startHours":18.111488146650323,"endHours":18.511488146650322,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:19","end":"18:50","startHours":18.311488146650323,"endHours":18.831249746631865,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:04","end":"19:49","startHours":18.061488146650323,"endHours":19.811488146650323,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:29","startHours":23.658539666886597,"endHours":24.490158226857062,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:50","end":"07:24","startHours":5.837209747093337,"endHours":7.39649454703796,"quality":"inauspicious"},{"name":"Śubha","start":"07:24","end":"08:57","startHours":7.39649454703796,"endHours":8.955779346982585,"quality":"auspicious"},{"name":"Roga","start":"08:57","end":"10:31","startHours":8.955779346982585,"endHours":10.515064146927207,"quality":"inauspicious"},{"name":"Udveg","start":"10:31","end":"12:04","startHours":10.515064146927207,"endHours":12.07434894687183,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:38","startHours":12.07434894687183,"endHours":13.633633746816454,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:12","startHours":13.633633746816454,"endHours":15.192918546761078,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:45","startHours":15.192918546761078,"endHours":16.7522033467057,"quality":"auspicious"},{"name":"Kāla","start":"16:45","end":"18:19","startHours":16.7522033467057,"endHours":18.311488146650323,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:19","end":"19:45","startHours":18.311488146650323,"endHours":19.7522033467057,"quality":"auspicious"},{"name":"Amṛta","start":"19:45","end":"21:12","startHours":19.7522033467057,"endHours":21.192918546761078,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:38","startHours":21.192918546761078,"endHours":22.633633746816454,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:04","startHours":22.633633746816454,"endHours":24.07434894687183,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:31","startHours":24.07434894687183,"endHours":25.515064146927205,"quality":"inauspicious"},{"name":"Udveg","start":"01:31","end":"02:57","startHours":25.515064146927205,"endHours":26.95577934698258,"quality":"inauspicious"},{"name":"Chala","start":"02:57","end":"04:24","startHours":26.95577934698258,"endHours":28.39649454703796,"quality":"neutral"},{"name":"Labha","start":"04:24","end":"05:50","startHours":28.39649454703796,"endHours":29.837209747093336,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.837209747093337,"endHours":6.837209747093337,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.837209747093337,"endHours":7.837209747093337,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.837209747093337,"endHours":8.837209747093336,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.837209747093336,"endHours":9.837209747093336,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.837209747093336,"endHours":10.837209747093336,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.837209747093336,"endHours":11.837209747093336,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.837209747093336,"endHours":12.837209747093336,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.837209747093336,"endHours":13.837209747093336,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.837209747093336,"endHours":14.837209747093336,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.837209747093336,"endHours":15.837209747093336,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.837209747093336,"endHours":16.837209747093336,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.837209747093336,"endHours":17.837209747093336,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.837209747093336,"endHours":18.837209747093336,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.837209747093336,"endHours":19.837209747093336,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.837209747093336,"endHours":20.837209747093336,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.837209747093336,"endHours":21.837209747093336,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.837209747093336,"endHours":22.837209747093336,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.837209747093336,"endHours":23.837209747093336,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.837209747093336,"endHours":24.837209747093336,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.837209747093336,"endHours":25.837209747093336,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.837209747093336,"endHours":26.837209747093336,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.837209747093336,"endHours":27.837209747093336,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.837209747093336,"endHours":28.837209747093336,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.837209747093336,"endHours":29.837209747093336,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":-4.114611787169675,"eotMinutes":12.09706318769023,"ayanamsa":25.6376}},"calendars":{"vikram_samvat":2184,"vikram_samvatsara":"Śārvarī","saka_samvat":2049,"saka_samvatsara":"Sarvajit","bengali_samvat":1534,"malayalam_era":1303,"nanakshahi_year":658,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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":"Āśvina Kṛṣṇa Trayodaśī · Vikram 2184 Śārvarī · Śaka 2049 Sarvajit"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 4, 2127 CE · Perth, Australia · Vidhyamitra","description":"October 4, 2127 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 05:50, sūryāsta 18:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2127-10-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2127-10-04","sa":"https://sa.vidhyamitra.com/city/perth/2127-10-04","hi":"https://hi.vidhyamitra.com/city/perth/2127-10-04","x-default":"https://vidhyamitra.com/city/perth/2127-10-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:37:43.132Z","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":"2026-06-01T04:37:43.132Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:37:43.132Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}