{"id":"vidhyamitra:city-day:perth:1855-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1855-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1855-01-04","date_display":"January 4, 1855 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":1855,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398587.770833,"kali_year":4956,"ahargana":1810122.2708,"sun":{"sidereal_longitude":261.5013,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":90.8397,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.3385,"elapsed_within_tithi_degrees":9.3385},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.8397,"elapsed_within_degrees":10.8397},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.341},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":1855,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2398587.770833,"ahargana":1810122.2708,"kali_year":4956,"ayanamsa_lahiri":21.8276,"grahas":{"sun":{"sidereal_longitude":261.351766,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":88.88106600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false,"latitude":3.8894},"mars":{"sidereal_longitude":284.76996600000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":253.407066,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":283.508366,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":268.56356600000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":49.72876600000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":31.0112,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":211.0112,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1855,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2398587.770833,"kali_year":4956,"ahargana":1810122.2708,"sun":{"sidereal_longitude":261.5013,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":90.8397,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.3385,"elapsed_within_tithi_degrees":9.3385},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.8397,"elapsed_within_degrees":10.8397},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.341},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.889,"elongation":170.662},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.889,"opposition_distance":9.338}},"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":"05:16","sunsetLocal":"19:27","solarNoonLocal":"12:22","dayLengthHours":14.17235566403182,"dayLengthDisplay":"14 Hours 10 Mins 20 Secs","nightLengthDisplay":"9 Hours 49 Mins 40 Secs","moonriseLocal":"19:47","moonsetLocal":"05:57","rahuKala":{"name":"Rāhu Kāla","start":"14:08","end":"15:54","startHours":14.131242905759745,"endHours":15.902787363763725,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:16","end":"07:03","startHours":5.2735206157398595,"endHours":7.045065073743837,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:49","end":"10:35","startHours":8.816609531747815,"endHours":10.588153989751792,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:03","startHours":8.58040360401395,"endHours":9.052815459481678,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:52","end":"06:15","startHours":5.864035435074519,"endHours":6.241964919448701,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:50","startHours":11.88728659228804,"endHours":12.832110303223496,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:20","startHours":3.3838731938689506,"endHours":4.328696904804405,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:06","end":"05:16","startHours":4.0924909770705415,"endHours":5.2735206157398595,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:40","startHours":14.721757725094406,"endHours":15.66658143602986,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.24587627977168,"endHours":19.645876279771677,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.445876279771678,"endHours":20.036391099106336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.195876279771678,"endHours":20.945876279771678,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:50","startHours":23.887286592288042,"endHours":24.832110303223494,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:16","end":"07:03","startHours":5.2735206157398595,"endHours":7.045065073743837,"quality":"auspicious"},{"name":"Roga","start":"07:03","end":"08:49","startHours":7.045065073743837,"endHours":8.816609531747815,"quality":"inauspicious"},{"name":"Udveg","start":"08:49","end":"10:35","startHours":8.816609531747815,"endHours":10.588153989751792,"quality":"inauspicious"},{"name":"Chala","start":"10:35","end":"12:22","startHours":10.588153989751792,"endHours":12.359698447755768,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"14:08","startHours":12.359698447755768,"endHours":14.131242905759745,"quality":"auspicious"},{"name":"Amṛta","start":"14:08","end":"15:54","startHours":14.131242905759745,"endHours":15.902787363763725,"quality":"auspicious"},{"name":"Kāla","start":"15:54","end":"17:40","startHours":15.902787363763725,"endHours":17.6743318217677,"quality":"inauspicious"},{"name":"Śubha","start":"17:40","end":"19:27","startHours":17.6743318217677,"endHours":19.445876279771678,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:27","end":"20:40","startHours":19.445876279771678,"endHours":20.6743318217677,"quality":"auspicious"},{"name":"Kāla","start":"20:40","end":"21:54","startHours":20.6743318217677,"endHours":21.90278736376372,"quality":"inauspicious"},{"name":"Śubha","start":"21:54","end":"23:08","startHours":21.90278736376372,"endHours":23.131242905759745,"quality":"auspicious"},{"name":"Roga","start":"23:08","end":"00:22","startHours":23.131242905759745,"endHours":24.35969844775577,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"01:35","startHours":24.35969844775577,"endHours":25.588153989751792,"quality":"inauspicious"},{"name":"Chala","start":"01:35","end":"02:49","startHours":25.588153989751792,"endHours":26.816609531747815,"quality":"neutral"},{"name":"Labha","start":"02:49","end":"04:03","startHours":26.816609531747815,"endHours":28.045065073743835,"quality":"auspicious"},{"name":"Amṛta","start":"04:03","end":"05:16","startHours":28.045065073743835,"endHours":29.27352061573986,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:16","end":"06:16","startHours":5.2735206157398595,"endHours":6.2735206157398595,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:16","end":"07:16","startHours":6.2735206157398595,"endHours":7.2735206157398595,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:16","end":"08:16","startHours":7.2735206157398595,"endHours":8.273520615739859,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:16","end":"09:16","startHours":8.273520615739859,"endHours":9.273520615739859,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:16","end":"10:16","startHours":9.273520615739859,"endHours":10.273520615739859,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:16","end":"11:16","startHours":10.273520615739859,"endHours":11.273520615739859,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:16","end":"12:16","startHours":11.273520615739859,"endHours":12.273520615739859,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:16","end":"13:16","startHours":12.273520615739859,"endHours":13.273520615739859,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:16","end":"14:16","startHours":13.273520615739859,"endHours":14.273520615739859,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:16","end":"15:16","startHours":14.273520615739859,"endHours":15.273520615739859,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:16","end":"16:16","startHours":15.273520615739859,"endHours":16.27352061573986,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:16","end":"17:16","startHours":16.27352061573986,"endHours":17.27352061573986,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:16","end":"18:16","startHours":17.27352061573986,"endHours":18.27352061573986,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:16","end":"19:16","startHours":18.27352061573986,"endHours":19.27352061573986,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:16","end":"20:16","startHours":19.27352061573986,"endHours":20.27352061573986,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:16","end":"21:16","startHours":20.27352061573986,"endHours":21.27352061573986,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:16","end":"22:16","startHours":21.27352061573986,"endHours":22.27352061573986,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:16","end":"23:16","startHours":22.27352061573986,"endHours":23.27352061573986,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:16","end":"00:16","startHours":23.27352061573986,"endHours":24.27352061573986,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:16","end":"01:16","startHours":24.27352061573986,"endHours":25.27352061573986,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:16","end":"02:16","startHours":25.27352061573986,"endHours":26.27352061573986,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:16","end":"03:16","startHours":26.27352061573986,"endHours":27.27352061573986,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:16","end":"04:16","startHours":27.27352061573986,"endHours":28.27352061573986,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:16","end":"05:16","startHours":28.27352061573986,"endHours":29.27352061573986,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.783905385558192,"eotMinutes":-5.02390686534617,"ayanamsa":21.8276}},"calendars":{"vikram_samvat":1912,"vikram_samvatsara":"Vibhava","saka_samvat":1777,"saka_samvatsara":"Rākṣasa","bengali_samvat":1262,"malayalam_era":1031,"nanakshahi_year":386,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Pratipada · Vikram 1912 Vibhava · Śaka 1777 Rākṣasa"},"festivals":[],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 January 4, 1855 CE · Perth, Australia · Vidhyamitra","description":"January 4, 1855 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 05:16, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1855-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1855-01-04","sa":"https://sa.vidhyamitra.com/city/perth/1855-01-04","hi":"https://hi.vidhyamitra.com/city/perth/1855-01-04","x-default":"https://vidhyamitra.com/city/perth/1855-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:04:10.414Z","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":"2026-06-02T13:04:10.414Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:04:10.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}