{"id":"vidhyamitra:city-day:perth:1844-10-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1844-10-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1844-10-15","date_display":"October 15, 1844 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":1844,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2394854.770833,"kali_year":4946,"ahargana":1806389.2708,"sun":{"sidereal_longitude":179.749,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":219.3605,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.6115,"elapsed_within_tithi_degrees":3.6115},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.3605,"elapsed_within_degrees":6.0271},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.1094},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1844,"month":10,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2394854.770833,"ahargana":1806389.2708,"kali_year":4946,"ayanamsa_lahiri":21.6848,"grahas":{"sun":{"sidereal_longitude":180.104194,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":222.32239400000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-0.7376},"mars":{"sidereal_longitude":158.21909400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":164.27639399999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":336.394994,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":136.471094,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":281.119694,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":228.8035,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":48.8035,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1844,"month":10,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2394854.770833,"kali_year":4946,"ahargana":1806389.2708,"sun":{"sidereal_longitude":179.749,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":219.3605,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.6115,"elapsed_within_tithi_degrees":3.6115},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.3605,"elapsed_within_degrees":6.0271},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":39.1094},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.738,"elongation":39.611},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.738,"opposition_distance":140.389}},"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":"05:36","sunsetLocal":"18:27","solarNoonLocal":"12:02","dayLengthHours":12.845258630599371,"dayLengthDisplay":"12 Hours 50 Mins 43 Secs","nightLengthDisplay":"11 Hours 09 Mins 17 Secs","moonriseLocal":"07:52","moonsetLocal":"21:49","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:51","startHours":15.239667484794708,"endHours":16.84532481361963,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:49","end":"10:25","startHours":8.817038169495024,"endHours":10.422695498319946,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:02","end":"13:38","startHours":12.028352827144868,"endHours":13.63401015596979,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.602950525651702,"endHours":9.031125813338347,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:29","startHours":6.140942621453489,"endHours":6.483482851602805,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.60017753945822,"endHours":12.456528114831512,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:54","end":"04:45","startHours":3.893022361098599,"endHours":4.74937293647189,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:36","startHours":4.535285292628568,"endHours":5.605723511845182,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:02","startHours":14.169229265578096,"endHours":15.025579840951387,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:15","end":"18:39","startHours":18.250982142444553,"endHours":18.65098214244455,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:27","end":"18:59","startHours":18.450982142444552,"endHours":18.986201252052858,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:12","end":"19:57","startHours":18.200982142444552,"endHours":19.950982142444552,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.60017753945822,"endHours":24.45652811483151,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:36","end":"07:13","startHours":5.605723511845182,"endHours":7.2113808406701025,"quality":"inauspicious"},{"name":"Udveg","start":"07:13","end":"08:49","startHours":7.2113808406701025,"endHours":8.817038169495024,"quality":"inauspicious"},{"name":"Chala","start":"08:49","end":"10:25","startHours":8.817038169495024,"endHours":10.422695498319946,"quality":"neutral"},{"name":"Labha","start":"10:25","end":"12:02","startHours":10.422695498319946,"endHours":12.028352827144868,"quality":"auspicious"},{"name":"Amṛta","start":"12:02","end":"13:38","startHours":12.028352827144868,"endHours":13.63401015596979,"quality":"auspicious"},{"name":"Kāla","start":"13:38","end":"15:14","startHours":13.63401015596979,"endHours":15.239667484794708,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:51","startHours":15.239667484794708,"endHours":16.84532481361963,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:27","startHours":16.84532481361963,"endHours":18.450982142444552,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:27","end":"19:51","startHours":18.450982142444552,"endHours":19.84532481361963,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:14","startHours":19.84532481361963,"endHours":21.23966748479471,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:38","startHours":21.23966748479471,"endHours":22.63401015596979,"quality":"inauspicious"},{"name":"Udveg","start":"22:38","end":"00:02","startHours":22.63401015596979,"endHours":24.028352827144865,"quality":"inauspicious"},{"name":"Chala","start":"00:02","end":"01:25","startHours":24.028352827144865,"endHours":25.422695498319946,"quality":"neutral"},{"name":"Labha","start":"01:25","end":"02:49","startHours":25.422695498319946,"endHours":26.817038169495024,"quality":"auspicious"},{"name":"Amṛta","start":"02:49","end":"04:13","startHours":26.817038169495024,"endHours":28.211380840670103,"quality":"auspicious"},{"name":"Kāla","start":"04:13","end":"05:36","startHours":28.211380840670103,"endHours":29.60572351184518,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:36","end":"06:36","startHours":5.605723511845182,"endHours":6.605723511845182,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:36","end":"07:36","startHours":6.605723511845182,"endHours":7.605723511845182,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:36","end":"08:36","startHours":7.605723511845182,"endHours":8.60572351184518,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:36","end":"09:36","startHours":8.60572351184518,"endHours":9.60572351184518,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:36","end":"10:36","startHours":9.60572351184518,"endHours":10.60572351184518,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:36","end":"11:36","startHours":10.60572351184518,"endHours":11.60572351184518,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:36","end":"12:36","startHours":11.60572351184518,"endHours":12.60572351184518,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:36","end":"13:36","startHours":12.60572351184518,"endHours":13.60572351184518,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:36","end":"14:36","startHours":13.60572351184518,"endHours":14.60572351184518,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:36","end":"15:36","startHours":14.60572351184518,"endHours":15.60572351184518,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:36","end":"16:36","startHours":15.60572351184518,"endHours":16.60572351184518,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:36","end":"17:36","startHours":16.60572351184518,"endHours":17.60572351184518,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:36","end":"18:36","startHours":17.60572351184518,"endHours":18.60572351184518,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:36","end":"19:36","startHours":18.60572351184518,"endHours":19.60572351184518,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:36","end":"20:36","startHours":19.60572351184518,"endHours":20.60572351184518,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:36","end":"21:36","startHours":20.60572351184518,"endHours":21.60572351184518,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:36","end":"22:36","startHours":21.60572351184518,"endHours":22.60572351184518,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:36","end":"23:36","startHours":22.60572351184518,"endHours":23.60572351184518,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:36","end":"00:36","startHours":23.60572351184518,"endHours":24.60572351184518,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:36","end":"01:36","startHours":24.60572351184518,"endHours":25.60572351184518,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:36","end":"02:36","startHours":25.60572351184518,"endHours":26.60572351184518,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:36","end":"03:36","startHours":26.60572351184518,"endHours":27.60572351184518,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:36","end":"04:36","startHours":27.60572351184518,"endHours":28.60572351184518,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:36","end":"05:36","startHours":28.60572351184518,"endHours":29.60572351184518,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.489844189772988,"eotMinutes":14.85683037130801,"ayanamsa":21.6848}},"calendars":{"vikram_samvat":1901,"vikram_samvatsara":"Piṅgala","saka_samvat":1766,"saka_samvatsara":"Krodhi","bengali_samvat":1251,"malayalam_era":1020,"nanakshahi_year":375,"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 Caturthī · Vikram 1901 Piṅgala · Śaka 1766 Krodhi"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"Tulā"},"precedence":5},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 15, 1844 CE · Perth, Australia · Vidhyamitra","description":"October 15, 1844 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:36, sūryāsta 18:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1844-10-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1844-10-15","sa":"https://sa.vidhyamitra.com/city/perth/1844-10-15","hi":"https://hi.vidhyamitra.com/city/perth/1844-10-15","x-default":"https://vidhyamitra.com/city/perth/1844-10-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T01:54:19.673Z","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":"2026-06-03T01:54:19.673Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T01:54:19.673Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}