{"id":"vidhyamitra:city-day:perth:1845-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1845-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1845-01-13","date_display":"January 13, 1845 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":1845,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2394944.770833,"kali_year":4946,"ahargana":1806479.2708,"sun":{"sidereal_longitude":271.3523,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":332.352,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.9997,"elapsed_within_tithi_degrees":0.9997},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.352,"elapsed_within_degrees":12.352},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.7042},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1845,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2394944.770833,"ahargana":1806479.2708,"kali_year":4946,"ayanamsa_lahiri":21.6883,"grahas":{"sun":{"sidereal_longitude":271.099155,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":333.905855,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":4.2716},"mars":{"sidereal_longitude":215.70995500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":272.02455499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":339.301655,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":243.028055,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":288.0166549999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":224.0348,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":44.0348,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":1845,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2394944.770833,"kali_year":4946,"ahargana":1806479.2708,"sun":{"sidereal_longitude":271.3523,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":332.352,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.9997,"elapsed_within_tithi_degrees":0.9997},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.352,"elapsed_within_degrees":12.352},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.7042},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.272,"elongation":61},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.272,"opposition_distance":119}},"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":"05:24","sunsetLocal":"19:26","solarNoonLocal":"12:25","dayLengthHours":14.042837979618302,"dayLengthDisplay":"14 Hours 02 Mins 34 Secs","nightLengthDisplay":"9 Hours 57 Mins 26 Secs","moonriseLocal":"10:29","moonsetLocal":"22:44","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:55","startHours":7.153834615832698,"endHours":8.909189363284986,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"12:25","startHours":10.664544110737275,"endHours":12.419898858189562,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:11","end":"15:56","startHours":14.17525360564185,"endHours":15.930608353094136,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:09","startHours":8.67514206362468,"endHours":9.143236662945291,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:59","end":"06:21","startHours":5.983598117531173,"endHours":6.358073796987661,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:53","startHours":11.95180425886895,"endHours":12.88799345751017,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:32","end":"04:28","startHours":3.52610147109797,"endHours":4.46229066973919,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:14","end":"05:24","startHours":4.228243370078886,"endHours":5.39847986838041,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:46","end":"15:42","startHours":14.76037185479261,"endHours":15.696561053433829,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.24131784799871,"endHours":19.64131784799871,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:02","startHours":19.44131784799871,"endHours":20.026436097149475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.19131784799871,"endHours":20.94131784799871,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:53","startHours":23.95180425886895,"endHours":24.887993457510174,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:24","end":"07:09","startHours":5.39847986838041,"endHours":7.153834615832698,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:55","startHours":7.153834615832698,"endHours":8.909189363284986,"quality":"inauspicious"},{"name":"Śubha","start":"08:55","end":"10:40","startHours":8.909189363284986,"endHours":10.664544110737275,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"12:25","startHours":10.664544110737275,"endHours":12.419898858189562,"quality":"inauspicious"},{"name":"Udveg","start":"12:25","end":"14:11","startHours":12.419898858189562,"endHours":14.17525360564185,"quality":"inauspicious"},{"name":"Chala","start":"14:11","end":"15:56","startHours":14.17525360564185,"endHours":15.930608353094136,"quality":"neutral"},{"name":"Labha","start":"15:56","end":"17:41","startHours":15.930608353094136,"endHours":17.685963100546424,"quality":"auspicious"},{"name":"Amṛta","start":"17:41","end":"19:26","startHours":17.685963100546424,"endHours":19.44131784799871,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:26","end":"20:41","startHours":19.44131784799871,"endHours":20.685963100546424,"quality":"neutral"},{"name":"Labha","start":"20:41","end":"21:56","startHours":20.685963100546424,"endHours":21.930608353094136,"quality":"auspicious"},{"name":"Amṛta","start":"21:56","end":"23:11","startHours":21.930608353094136,"endHours":23.17525360564185,"quality":"auspicious"},{"name":"Kāla","start":"23:11","end":"00:25","startHours":23.17525360564185,"endHours":24.419898858189562,"quality":"inauspicious"},{"name":"Śubha","start":"00:25","end":"01:40","startHours":24.419898858189562,"endHours":25.664544110737275,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"02:55","startHours":25.664544110737275,"endHours":26.909189363284984,"quality":"inauspicious"},{"name":"Udveg","start":"02:55","end":"04:09","startHours":26.909189363284984,"endHours":28.153834615832697,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:24","startHours":28.153834615832697,"endHours":29.39847986838041,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.39847986838041,"endHours":6.39847986838041,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.39847986838041,"endHours":7.39847986838041,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.39847986838041,"endHours":8.39847986838041,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.39847986838041,"endHours":9.39847986838041,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.39847986838041,"endHours":10.39847986838041,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.39847986838041,"endHours":11.39847986838041,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.39847986838041,"endHours":12.39847986838041,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.39847986838041,"endHours":13.39847986838041,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.39847986838041,"endHours":14.39847986838041,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.39847986838041,"endHours":15.39847986838041,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.39847986838041,"endHours":16.39847986838041,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.39847986838041,"endHours":17.39847986838041,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.39847986838041,"endHours":18.39847986838041,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.39847986838041,"endHours":19.39847986838041,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.39847986838041,"endHours":20.39847986838041,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.39847986838041,"endHours":21.39847986838041,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.39847986838041,"endHours":22.39847986838041,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.39847986838041,"endHours":23.39847986838041,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.39847986838041,"endHours":24.39847986838041,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.39847986838041,"endHours":25.39847986838041,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.39847986838041,"endHours":26.39847986838041,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.39847986838041,"endHours":27.39847986838041,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.39847986838041,"endHours":28.39847986838041,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.39847986838041,"endHours":29.39847986838041,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.511541366893866,"eotMinutes":-8.635931491373626,"ayanamsa":21.6883}},"calendars":{"vikram_samvat":1902,"vikram_samvatsara":"Kālayukta","saka_samvat":1767,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1252,"malayalam_era":1021,"nanakshahi_year":376,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 1902 Kālayukta · Śaka 1767 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 January 13, 1845 CE · Perth, Australia · Vidhyamitra","description":"January 13, 1845 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:24, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1845-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1845-01-13","sa":"https://sa.vidhyamitra.com/city/perth/1845-01-13","hi":"https://hi.vidhyamitra.com/city/perth/1845-01-13","x-default":"https://vidhyamitra.com/city/perth/1845-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:48:57.745Z","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":"2026-06-03T00:48:57.745Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:48:57.745Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}