{"id":"vidhyamitra:city-day:perth:1840-10-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1840-10-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1840-10-29","date_display":"October 29, 1840 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":1840,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393407.770833,"kali_year":4942,"ahargana":1804942.2708,"sun":{"sidereal_longitude":193.7777,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":237.9464,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.1687,"elapsed_within_tithi_degrees":8.1687},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":237.9464,"elapsed_within_degrees":11.2797},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7241},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1840,"month":10,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2393407.770833,"ahargana":1804942.2708,"kali_year":4942,"ayanamsa_lahiri":21.6295,"grahas":{"sun":{"sidereal_longitude":194.08068000000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":235.11018,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false,"latitude":-4.1576},"mars":{"sidereal_longitude":141.47358000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":215.26258000000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":214.78888000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":221.47537999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":239.1356800000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":305.4725,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":125.4725,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":1840,"month":10,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393407.770833,"kali_year":4942,"ahargana":1804942.2708,"sun":{"sidereal_longitude":193.7777,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":237.9464,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.1687,"elapsed_within_tithi_degrees":8.1687},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":237.9464,"elapsed_within_degrees":11.2797},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.7241},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.158,"elongation":44.169},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.158,"opposition_distance":135.831}},"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":"05:22","sunsetLocal":"18:38","solarNoonLocal":"12:00","dayLengthHours":13.277660257371409,"dayLengthDisplay":"13 Hours 16 Mins 40 Secs","nightLengthDisplay":"10 Hours 43 Mins 20 Secs","moonriseLocal":"07:40","moonsetLocal":"21:48","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:19","startHours":13.661784284187707,"endHours":15.321491816359131,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:22","end":"07:01","startHours":5.363246623330576,"endHours":7.022954155502002,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:41","end":"10:21","startHours":8.682661687673427,"endHours":10.342369219844855,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:54","startHours":8.46136735005057,"endHours":8.903956025296285,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:16","startHours":5.916482467387718,"endHours":6.2705534075842895,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.559488076770565,"endHours":12.444665427261993,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:29","startHours":3.5928919223477216,"endHours":4.478069272839148,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:15","end":"05:22","startHours":4.256774935216292,"endHours":5.363246623330576,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:06","startHours":14.215020128244849,"endHours":15.100197478736275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.440906880701984,"endHours":18.840906880701983,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:12","startHours":18.640906880701984,"endHours":19.194142724759125,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.390906880701984,"endHours":20.140906880701984,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.559488076770567,"endHours":24.44466542726199,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:22","end":"07:01","startHours":5.363246623330576,"endHours":7.022954155502002,"quality":"auspicious"},{"name":"Roga","start":"07:01","end":"08:41","startHours":7.022954155502002,"endHours":8.682661687673427,"quality":"inauspicious"},{"name":"Udveg","start":"08:41","end":"10:21","startHours":8.682661687673427,"endHours":10.342369219844855,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"12:00","startHours":10.342369219844855,"endHours":12.00207675201628,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:40","startHours":12.00207675201628,"endHours":13.661784284187707,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:19","startHours":13.661784284187707,"endHours":15.321491816359131,"quality":"auspicious"},{"name":"Kāla","start":"15:19","end":"16:59","startHours":15.321491816359131,"endHours":16.98119934853056,"quality":"inauspicious"},{"name":"Śubha","start":"16:59","end":"18:38","startHours":16.98119934853056,"endHours":18.640906880701984,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:38","end":"19:59","startHours":18.640906880701984,"endHours":19.98119934853056,"quality":"auspicious"},{"name":"Kāla","start":"19:59","end":"21:19","startHours":19.98119934853056,"endHours":21.32149181635913,"quality":"inauspicious"},{"name":"Śubha","start":"21:19","end":"22:40","startHours":21.32149181635913,"endHours":22.661784284187704,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:00","startHours":22.661784284187704,"endHours":24.00207675201628,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:21","startHours":24.00207675201628,"endHours":25.342369219844855,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:41","startHours":25.342369219844855,"endHours":26.682661687673427,"quality":"neutral"},{"name":"Labha","start":"02:41","end":"04:01","startHours":26.682661687673427,"endHours":28.022954155502,"quality":"auspicious"},{"name":"Amṛta","start":"04:01","end":"05:22","startHours":28.022954155502,"endHours":29.363246623330575,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.363246623330576,"endHours":6.363246623330576,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.363246623330576,"endHours":7.363246623330576,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.363246623330576,"endHours":8.363246623330575,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.363246623330575,"endHours":9.363246623330575,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.363246623330575,"endHours":10.363246623330575,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.363246623330575,"endHours":11.363246623330575,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.363246623330575,"endHours":12.363246623330575,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.363246623330575,"endHours":13.363246623330575,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.363246623330575,"endHours":14.363246623330575,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.363246623330575,"endHours":15.363246623330575,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.363246623330575,"endHours":16.363246623330575,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.363246623330575,"endHours":17.363246623330575,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.363246623330575,"endHours":18.363246623330575,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.363246623330575,"endHours":19.363246623330575,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.363246623330575,"endHours":20.363246623330575,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.363246623330575,"endHours":21.363246623330575,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.363246623330575,"endHours":22.363246623330575,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.363246623330575,"endHours":23.363246623330575,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.363246623330575,"endHours":24.363246623330575,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.363246623330575,"endHours":25.363246623330575,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.363246623330575,"endHours":26.363246623330575,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.363246623330575,"endHours":27.363246623330575,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.363246623330575,"endHours":28.363246623330575,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.363246623330575,"endHours":29.363246623330575,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","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":-13.42372358231582,"eotMinutes":16.433394879023222,"ayanamsa":21.6295}},"calendars":{"vikram_samvat":1897,"vikram_samvatsara":"Pramādī","saka_samvat":1762,"saka_samvatsara":"Śārvarī","bengali_samvat":1247,"malayalam_era":1016,"nanakshahi_year":371,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","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 Śukla Caturthī · Vikram 1897 Pramādī · Śaka 1762 Śārvarī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 29, 1840 CE · Perth, Australia · Vidhyamitra","description":"October 29, 1840 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:22, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1840-10-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1840-10-29","sa":"https://sa.vidhyamitra.com/city/perth/1840-10-29","hi":"https://hi.vidhyamitra.com/city/perth/1840-10-29","x-default":"https://vidhyamitra.com/city/perth/1840-10-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:07:03.764Z","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":"2026-06-03T09:07:03.764Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:07:03.764Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}