{"id":"vidhyamitra:city-day:perth:2154-10-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2154-10-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-10-19","date_display":"October 19, 2154 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":2154,"month":10,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508083.770833,"kali_year":5256,"ahargana":1919618.2708,"sun":{"sidereal_longitude":178.5415,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":331.3609,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.8194,"elapsed_within_tithi_degrees":8.8194},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.3609,"elapsed_within_degrees":11.3609},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9023},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":2154,"month":10,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508083.770833,"ahargana":1919618.2708,"kali_year":5256,"ayanamsa_lahiri":26.0154,"grahas":{"sun":{"sidereal_longitude":179.64781399999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":332.14101400000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-1.3912},"mars":{"sidereal_longitude":117.64601400000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":168.71041400000001,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":36.70111400000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":139.68391399999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":126.94091400000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":349.3862,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":169.3862,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2154,"month":10,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508083.770833,"kali_year":5256,"ahargana":1919618.2708,"sun":{"sidereal_longitude":178.5415,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":331.3609,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.8194,"elapsed_within_tithi_degrees":8.8194},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":331.3609,"elapsed_within_degrees":11.3609},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9023},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.391,"elongation":152.819},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.391,"opposition_distance":27.181}},"eclipse_window_40days":[{"offset_days":2,"type":"lunar","occurs":true,"moon_latitude":0.683,"opposition_distance":2.512}]},"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":"05:32","sunsetLocal":"18:30","solarNoonLocal":"12:01","dayLengthHours":12.96860617647859,"dayLengthDisplay":"12 Hours 58 Mins 07 Secs","nightLengthDisplay":"11 Hours 01 Mins 53 Secs","moonriseLocal":"16:06","moonsetLocal":"04:16","rahuKala":{"name":"Rāhu Kāla","start":"08:46","end":"10:24","startHours":8.774611539686036,"endHours":10.39568731174586,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:16","startHours":13.637838855865509,"endHours":15.258914627925332,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:32","end":"07:09","startHours":5.53245999556639,"endHours":7.153535767626213,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:34","end":"08:59","startHours":8.558468103411393,"endHours":8.99075497596068,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:25","startHours":6.072818586252998,"endHours":6.418648084292427,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.5844762112564,"endHours":12.44904995635497,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:40","startHours":3.8033125053692443,"endHours":4.6678862504678165,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:32","startHours":4.451742814193174,"endHours":5.53245999556639,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:03","startHours":14.178197446552117,"endHours":15.04277119165069,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.30106617204498,"endHours":18.70106617204498,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"19:02","startHours":18.50106617204498,"endHours":19.041424762731587,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.25106617204498,"endHours":20.00106617204498,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.584476211256398,"endHours":24.449049956354973,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:32","end":"07:09","startHours":5.53245999556639,"endHours":7.153535767626213,"quality":"inauspicious"},{"name":"Śubha","start":"07:09","end":"08:46","startHours":7.153535767626213,"endHours":8.774611539686036,"quality":"auspicious"},{"name":"Roga","start":"08:46","end":"10:24","startHours":8.774611539686036,"endHours":10.39568731174586,"quality":"inauspicious"},{"name":"Udveg","start":"10:24","end":"12:01","startHours":10.39568731174586,"endHours":12.016763083805685,"quality":"inauspicious"},{"name":"Chala","start":"12:01","end":"13:38","startHours":12.016763083805685,"endHours":13.637838855865509,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:16","startHours":13.637838855865509,"endHours":15.258914627925332,"quality":"auspicious"},{"name":"Amṛta","start":"15:16","end":"16:53","startHours":15.258914627925332,"endHours":16.879990399985154,"quality":"auspicious"},{"name":"Kāla","start":"16:53","end":"18:30","startHours":16.879990399985154,"endHours":18.50106617204498,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:30","end":"19:53","startHours":18.50106617204498,"endHours":19.879990399985154,"quality":"auspicious"},{"name":"Amṛta","start":"19:53","end":"21:16","startHours":19.879990399985154,"endHours":21.258914627925332,"quality":"auspicious"},{"name":"Kāla","start":"21:16","end":"22:38","startHours":21.258914627925332,"endHours":22.637838855865507,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:01","startHours":22.637838855865507,"endHours":24.016763083805685,"quality":"auspicious"},{"name":"Roga","start":"00:01","end":"01:24","startHours":24.016763083805685,"endHours":25.39568731174586,"quality":"inauspicious"},{"name":"Udveg","start":"01:24","end":"02:46","startHours":25.39568731174586,"endHours":26.774611539686035,"quality":"inauspicious"},{"name":"Chala","start":"02:46","end":"04:09","startHours":26.774611539686035,"endHours":28.153535767626213,"quality":"neutral"},{"name":"Labha","start":"04:09","end":"05:32","startHours":28.153535767626213,"endHours":29.53245999556639,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.53245999556639,"endHours":6.53245999556639,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.53245999556639,"endHours":7.53245999556639,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.53245999556639,"endHours":8.53245999556639,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.53245999556639,"endHours":9.53245999556639,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.53245999556639,"endHours":10.53245999556639,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.53245999556639,"endHours":11.53245999556639,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.53245999556639,"endHours":12.53245999556639,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.53245999556639,"endHours":13.53245999556639,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.53245999556639,"endHours":14.53245999556639,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.53245999556639,"endHours":15.53245999556639,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.53245999556639,"endHours":16.53245999556639,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.53245999556639,"endHours":17.53245999556639,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.53245999556639,"endHours":18.53245999556639,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.53245999556639,"endHours":19.53245999556639,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.53245999556639,"endHours":20.53245999556639,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.53245999556639,"endHours":21.53245999556639,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.53245999556639,"endHours":22.53245999556639,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.53245999556639,"endHours":23.53245999556639,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.53245999556639,"endHours":24.53245999556639,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.53245999556639,"endHours":25.53245999556639,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.53245999556639,"endHours":26.53245999556639,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.53245999556639,"endHours":27.53245999556639,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.53245999556639,"endHours":28.53245999556639,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.53245999556639,"endHours":29.53245999556639,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":-9.91867404348379,"eotMinutes":15.552214971658897,"ayanamsa":26.0154}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"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 19, 2154 CE · Perth, Australia · Vidhyamitra","description":"October 19, 2154 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:32, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2154-10-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2154-10-19","sa":"https://sa.vidhyamitra.com/city/perth/2154-10-19","hi":"https://hi.vidhyamitra.com/city/perth/2154-10-19","x-default":"https://vidhyamitra.com/city/perth/2154-10-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:22:20.945Z","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":"2026-05-31T03:22:20.945Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:22:20.945Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}