{"id":"vidhyamitra:city-day:perth:1815-10-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1815-10-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-10-29","date_display":"October 29, 1815 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":1815,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384275.770833,"kali_year":4917,"ahargana":1795810.2708,"sun":{"sidereal_longitude":193.2444,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":150.4771,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":317.2327,"elapsed_within_tithi_degrees":5.2327},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.4771,"elapsed_within_degrees":3.8104},"yoga":{"number":26,"name":"Indra","sum_longitude":343.7215},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1815,"month":10,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384275.770833,"ahargana":1795810.2708,"kali_year":4917,"ayanamsa_lahiri":21.2802,"grahas":{"sun":{"sidereal_longitude":193.489189,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":148.52528900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":4.4463},"mars":{"sidereal_longitude":1.375489000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":218.42098899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":184.50268900000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":173.11848899999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":286.521889,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":69.3298,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":249.3298,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1815,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384275.770833,"kali_year":4917,"ahargana":1795810.2708,"sun":{"sidereal_longitude":193.2444,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":150.4771,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":317.2327,"elapsed_within_tithi_degrees":5.2327},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.4771,"elapsed_within_degrees":3.8104},"yoga":{"number":26,"name":"Indra","sum_longitude":343.7215},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.446,"elongation":42.767},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.446,"opposition_distance":137.233}},"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":"05:23","sunsetLocal":"18:38","solarNoonLocal":"12:00","dayLengthHours":13.249541168580016,"dayLengthDisplay":"13 Hours 14 Mins 58 Secs","nightLengthDisplay":"10 Hours 45 Mins 02 Secs","moonriseLocal":"03:08","moonsetLocal":"14:53","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:38","startHours":16.970654690233786,"endHours":18.626847336306287,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:00","end":"13:39","startHours":12.00207675201628,"endHours":13.65826939808878,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:19","end":"16:58","startHours":15.314462044161285,"endHours":16.970654690233786,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:55","startHours":8.468865773728275,"endHours":8.910517146014277,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:56","end":"06:17","startHours":5.929370383083772,"endHours":6.282691480912573,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.560425379730278,"endHours":12.44372812430228,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:37","end":"04:30","startHours":3.61070067858227,"endHours":4.494003423154271,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:23","startHours":4.27317773701127,"endHours":5.377306167726272,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:06","startHours":14.210333613446284,"endHours":15.093636358018285,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.426847336306288,"endHours":18.826847336306287,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:11","startHours":18.626847336306287,"endHours":19.178911551663788,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.376847336306287,"endHours":20.126847336306287,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.56042537973028,"endHours":24.44372812430228,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:23","end":"07:02","startHours":5.377306167726272,"endHours":7.033498813798774,"quality":"inauspicious"},{"name":"Chala","start":"07:02","end":"08:41","startHours":7.033498813798774,"endHours":8.689691459871277,"quality":"neutral"},{"name":"Labha","start":"08:41","end":"10:21","startHours":8.689691459871277,"endHours":10.345884105943778,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"12:00","startHours":10.345884105943778,"endHours":12.00207675201628,"quality":"auspicious"},{"name":"Kāla","start":"12:00","end":"13:39","startHours":12.00207675201628,"endHours":13.65826939808878,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:19","startHours":13.65826939808878,"endHours":15.314462044161285,"quality":"auspicious"},{"name":"Roga","start":"15:19","end":"16:58","startHours":15.314462044161285,"endHours":16.970654690233786,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:38","startHours":16.970654690233786,"endHours":18.626847336306287,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:38","end":"19:58","startHours":18.626847336306287,"endHours":19.970654690233786,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:19","startHours":19.970654690233786,"endHours":21.31446204416128,"quality":"inauspicious"},{"name":"Udveg","start":"21:19","end":"22:39","startHours":21.31446204416128,"endHours":22.65826939808878,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"00:00","startHours":22.65826939808878,"endHours":24.00207675201628,"quality":"neutral"},{"name":"Labha","start":"00:00","end":"01:21","startHours":24.00207675201628,"endHours":25.345884105943778,"quality":"auspicious"},{"name":"Amṛta","start":"01:21","end":"02:41","startHours":25.345884105943778,"endHours":26.689691459871277,"quality":"auspicious"},{"name":"Kāla","start":"02:41","end":"04:02","startHours":26.689691459871277,"endHours":28.033498813798772,"quality":"inauspicious"},{"name":"Śubha","start":"04:02","end":"05:23","startHours":28.033498813798772,"endHours":29.37730616772627,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.377306167726272,"endHours":6.377306167726272,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.377306167726272,"endHours":7.377306167726272,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.377306167726272,"endHours":8.377306167726271,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.377306167726271,"endHours":9.377306167726271,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.377306167726271,"endHours":10.377306167726271,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.377306167726271,"endHours":11.377306167726271,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.377306167726271,"endHours":12.377306167726271,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.377306167726271,"endHours":13.377306167726271,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.377306167726271,"endHours":14.377306167726271,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.377306167726271,"endHours":15.377306167726271,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.377306167726271,"endHours":16.37730616772627,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.37730616772627,"endHours":17.37730616772627,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.37730616772627,"endHours":18.37730616772627,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.37730616772627,"endHours":19.37730616772627,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.37730616772627,"endHours":20.37730616772627,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.37730616772627,"endHours":21.37730616772627,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.37730616772627,"endHours":22.37730616772627,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.37730616772627,"endHours":23.37730616772627,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.37730616772627,"endHours":24.37730616772627,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.37730616772627,"endHours":25.37730616772627,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.37730616772627,"endHours":26.37730616772627,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.37730616772627,"endHours":27.37730616772627,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.37730616772627,"endHours":28.37730616772627,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.37730616772627,"endHours":29.37730616772627,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-13.109735014635508,"eotMinutes":16.433394879023222,"ayanamsa":21.2802}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"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 Dvādaśī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"govatsa-dwadashi","name":"Govatsa Dvādaśī (Vaccha Bāras)","name_sanskrit":"गोवत्स द्वादशी","tradition":"Vaishnava","associated_deity":"Krishna + Gomātā","significance":"Worship of cow + calf; pre-Diwali day.","vrata":true,"detection":{"tithi_number":27,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 29, 1815 CE · Perth, Australia · Vidhyamitra","description":"October 29, 1815 CE for Perth, Australia: Kṛṣṇa Dvādaśī, sūryodaya 05:23, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1815-10-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1815-10-29","sa":"https://sa.vidhyamitra.com/city/perth/1815-10-29","hi":"https://hi.vidhyamitra.com/city/perth/1815-10-29","x-default":"https://vidhyamitra.com/city/perth/1815-10-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T09:56:17.275Z","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":"2026-06-05T09:56:17.275Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T09:56:17.275Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}