{"id":"vidhyamitra:city-day:perth:1841-03-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1841-03-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1841-03-18","date_display":"March 18, 1841 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":1841,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393547.770833,"kali_year":4942,"ahargana":1805082.2708,"sun":{"sidereal_longitude":336.206,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":276.946,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.7401,"elapsed_within_tithi_degrees":0.7401},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.946,"elapsed_within_degrees":10.2794},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.152},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1841,"month":3,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2393547.770833,"ahargana":1805082.2708,"kali_year":4942,"ayanamsa_lahiri":21.6348,"grahas":{"sun":{"sidereal_longitude":335.65973099999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":277.601131,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-1.6192},"mars":{"sidereal_longitude":196.296831,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":343.219431,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":239.806831,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":23.505331000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":252.91173099999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":298.0546,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":118.0546,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1841,"month":3,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2393547.770833,"kali_year":4942,"ahargana":1805082.2708,"sun":{"sidereal_longitude":336.206,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":276.946,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":300.7401,"elapsed_within_tithi_degrees":0.7401},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":276.946,"elapsed_within_degrees":10.2794},"yoga":{"number":19,"name":"Parigha","sum_longitude":253.152},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.619,"elongation":59.26},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.619,"opposition_distance":120.74}},"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":"06:19","sunsetLocal":"18:32","solarNoonLocal":"12:25","dayLengthHours":12.22040842393721,"dayLengthDisplay":"12 Hours 13 Mins 13 Secs","nightLengthDisplay":"11 Hours 46 Mins 47 Secs","moonriseLocal":"01:37","moonsetLocal":"15:29","rahuKala":{"name":"Rāhu Kāla","start":"13:57","end":"15:29","startHours":13.949582620317367,"endHours":15.477133673309519,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:19","end":"07:50","startHours":6.311827355356611,"endHours":7.839378408348762,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:22","end":"10:54","startHours":9.366929461340913,"endHours":10.894480514333065,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:10","end":"09:34","startHours":9.163255987608625,"endHours":9.5706029350732,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:49","end":"07:09","startHours":6.821011039687328,"endHours":7.146888597658987,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:50","startHours":12.014684619860644,"endHours":12.82937851478979,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:41","end":"05:30","startHours":4.682439565498316,"endHours":5.497133460427463,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:19","startHours":5.293459986695177,"endHours":6.311827355356611,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:16","startHours":14.458766304648085,"endHours":15.273460199577233,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:20","end":"18:44","startHours":18.33223577929382,"endHours":18.73223577929382,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:32","end":"19:02","startHours":18.53223577929382,"endHours":19.04141946362454,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:17","end":"20:02","startHours":18.28223577929382,"endHours":20.03223577929382,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:50","startHours":24.014684619860642,"endHours":24.82937851478979,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:19","end":"07:50","startHours":6.311827355356611,"endHours":7.839378408348762,"quality":"auspicious"},{"name":"Roga","start":"07:50","end":"09:22","startHours":7.839378408348762,"endHours":9.366929461340913,"quality":"inauspicious"},{"name":"Udveg","start":"09:22","end":"10:54","startHours":9.366929461340913,"endHours":10.894480514333065,"quality":"inauspicious"},{"name":"Chala","start":"10:54","end":"12:25","startHours":10.894480514333065,"endHours":12.422031567325217,"quality":"neutral"},{"name":"Labha","start":"12:25","end":"13:57","startHours":12.422031567325217,"endHours":13.949582620317367,"quality":"auspicious"},{"name":"Amṛta","start":"13:57","end":"15:29","startHours":13.949582620317367,"endHours":15.477133673309519,"quality":"auspicious"},{"name":"Kāla","start":"15:29","end":"17:00","startHours":15.477133673309519,"endHours":17.00468472630167,"quality":"inauspicious"},{"name":"Śubha","start":"17:00","end":"18:32","startHours":17.00468472630167,"endHours":18.53223577929382,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:32","end":"20:00","startHours":18.53223577929382,"endHours":20.00468472630167,"quality":"auspicious"},{"name":"Kāla","start":"20:00","end":"21:29","startHours":20.00468472630167,"endHours":21.477133673309517,"quality":"inauspicious"},{"name":"Śubha","start":"21:29","end":"22:57","startHours":21.477133673309517,"endHours":22.949582620317365,"quality":"auspicious"},{"name":"Roga","start":"22:57","end":"00:25","startHours":22.949582620317365,"endHours":24.422031567325217,"quality":"inauspicious"},{"name":"Udveg","start":"00:25","end":"01:54","startHours":24.422031567325217,"endHours":25.894480514333065,"quality":"inauspicious"},{"name":"Chala","start":"01:54","end":"03:22","startHours":25.894480514333065,"endHours":27.366929461340913,"quality":"neutral"},{"name":"Labha","start":"03:22","end":"04:50","startHours":27.366929461340913,"endHours":28.839378408348765,"quality":"auspicious"},{"name":"Amṛta","start":"04:50","end":"06:19","startHours":28.839378408348765,"endHours":30.311827355356613,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.311827355356611,"endHours":7.311827355356611,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.311827355356611,"endHours":8.31182735535661,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.31182735535661,"endHours":9.31182735535661,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.31182735535661,"endHours":10.31182735535661,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.31182735535661,"endHours":11.31182735535661,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.31182735535661,"endHours":12.31182735535661,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.31182735535661,"endHours":13.31182735535661,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.31182735535661,"endHours":14.31182735535661,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.31182735535661,"endHours":15.31182735535661,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.31182735535661,"endHours":16.311827355356613,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.311827355356613,"endHours":17.311827355356613,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.311827355356613,"endHours":18.311827355356613,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.311827355356613,"endHours":19.311827355356613,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.311827355356613,"endHours":20.311827355356613,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.311827355356613,"endHours":21.311827355356613,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.311827355356613,"endHours":22.311827355356613,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.311827355356613,"endHours":23.311827355356613,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.311827355356613,"endHours":24.311827355356613,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.311827355356613,"endHours":25.311827355356613,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.311827355356613,"endHours":26.311827355356613,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.311827355356613,"endHours":27.311827355356613,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.311827355356613,"endHours":28.311827355356613,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.311827355356613,"endHours":29.311827355356613,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.311827355356613,"endHours":30.311827355356613,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-1.0757162113492202,"eotMinutes":-8.763894039513033,"ayanamsa":21.6348}},"calendars":{"vikram_samvat":1898,"vikram_samvatsara":"Ānanda","saka_samvat":1763,"saka_samvatsara":"Plava","bengali_samvat":1248,"malayalam_era":1017,"nanakshahi_year":372,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Ekādaśī · Vikram 1898 Ānanda · Śaka 1763 Plava"},"festivals":[{"id":"papamochani-ekadashi","name":"Pāpamocanī Ekādaśī","name_sanskrit":"पापमोचनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes mahā-pātakas (great sins).","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Caitra"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[]},"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 March 18, 1841 CE · Perth, Australia · Vidhyamitra","description":"March 18, 1841 CE for Perth, Australia: Kṛṣṇa Ekādaśī, sūryodaya 06:19, sūryāsta 18:32.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1841-03-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1841-03-18","sa":"https://sa.vidhyamitra.com/city/perth/1841-03-18","hi":"https://hi.vidhyamitra.com/city/perth/1841-03-18","x-default":"https://vidhyamitra.com/city/perth/1841-03-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T08:44:07.539Z","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":"2026-06-03T08:44:07.539Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T08:44:07.539Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}