{"id":"vidhyamitra:city-day:perth:1884-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1884-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1884-01-31","date_display":"January 31, 1884 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":1884,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2409206.770833,"kali_year":4985,"ahargana":1820741.2708,"sun":{"sidereal_longitude":288.6743,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":323.3258,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.6515,"elapsed_within_tithi_degrees":10.6515},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.3258,"elapsed_within_degrees":3.3258},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.0001},"karana":{"half_tithi_index":5,"name":"Gara"},"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":1884,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2409206.770833,"ahargana":1820741.2708,"kali_year":4985,"ayanamsa_lahiri":22.2337,"grahas":{"sun":{"sidereal_longitude":288.385542,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":323.813442,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":3.1825},"mars":{"sidereal_longitude":112.11204199999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":270.662642,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":97.060742,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":321.64754200000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":41.82544200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":188.3655,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":8.3655,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":1884,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2409206.770833,"kali_year":4985,"ahargana":1820741.2708,"sun":{"sidereal_longitude":288.6743,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":323.3258,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":34.6515,"elapsed_within_tithi_degrees":10.6515},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1,"moon_longitude":323.3258,"elapsed_within_degrees":3.3258},"yoga":{"number":19,"name":"Parigha","sum_longitude":252.0001},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.183,"elongation":34.652},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.183,"opposition_distance":145.348}},"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":"05:40","sunsetLocal":"19:20","solarNoonLocal":"12:30","dayLengthHours":13.659106490858978,"dayLengthDisplay":"13 Hours 39 Mins 33 Secs","nightLengthDisplay":"10 Hours 20 Mins 27 Secs","moonriseLocal":"08:35","moonsetLocal":"21:08","rahuKala":{"name":"Rāhu Kāla","start":"14:13","end":"15:55","startHours":14.208848120388073,"endHours":15.916236431745446,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:40","end":"07:23","startHours":5.671906563601213,"endHours":7.379294874958585,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:05","end":"10:48","startHours":9.086683186315957,"endHours":10.794071497673329,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:19","startHours":8.859031411468308,"endHours":9.314334961163606,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:36","startHours":6.241036000720337,"endHours":6.6052788404765765,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:57","startHours":12.046156259335401,"endHours":12.956763358726,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:46","startHours":3.8506923648200155,"endHours":4.761299464210614,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:40","startHours":4.533647689362965,"endHours":5.671906563601213,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.777977557507196,"endHours":15.688584656897794,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:08","end":"19:32","startHours":19.13101305446019,"endHours":19.53101305446019,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:20","end":"19:54","startHours":19.33101305446019,"endHours":19.900142491579313,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:05","end":"20:50","startHours":19.08101305446019,"endHours":20.83101305446019,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:57","startHours":24.0461562593354,"endHours":24.956763358725997,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:40","end":"07:23","startHours":5.671906563601213,"endHours":7.379294874958585,"quality":"auspicious"},{"name":"Roga","start":"07:23","end":"09:05","startHours":7.379294874958585,"endHours":9.086683186315957,"quality":"inauspicious"},{"name":"Udveg","start":"09:05","end":"10:48","startHours":9.086683186315957,"endHours":10.794071497673329,"quality":"inauspicious"},{"name":"Chala","start":"10:48","end":"12:30","startHours":10.794071497673329,"endHours":12.501459809030703,"quality":"neutral"},{"name":"Labha","start":"12:30","end":"14:13","startHours":12.501459809030703,"endHours":14.208848120388073,"quality":"auspicious"},{"name":"Amṛta","start":"14:13","end":"15:55","startHours":14.208848120388073,"endHours":15.916236431745446,"quality":"auspicious"},{"name":"Kāla","start":"15:55","end":"17:37","startHours":15.916236431745446,"endHours":17.62362474310282,"quality":"inauspicious"},{"name":"Śubha","start":"17:37","end":"19:20","startHours":17.62362474310282,"endHours":19.33101305446019,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:20","end":"20:37","startHours":19.33101305446019,"endHours":20.623624743102816,"quality":"auspicious"},{"name":"Kāla","start":"20:37","end":"21:55","startHours":20.623624743102816,"endHours":21.916236431745446,"quality":"inauspicious"},{"name":"Śubha","start":"21:55","end":"23:13","startHours":21.916236431745446,"endHours":23.208848120388073,"quality":"auspicious"},{"name":"Roga","start":"23:13","end":"00:30","startHours":23.208848120388073,"endHours":24.5014598090307,"quality":"inauspicious"},{"name":"Udveg","start":"00:30","end":"01:48","startHours":24.5014598090307,"endHours":25.79407149767333,"quality":"inauspicious"},{"name":"Chala","start":"01:48","end":"03:05","startHours":25.79407149767333,"endHours":27.086683186315955,"quality":"neutral"},{"name":"Labha","start":"03:05","end":"04:23","startHours":27.086683186315955,"endHours":28.379294874958582,"quality":"auspicious"},{"name":"Amṛta","start":"04:23","end":"05:40","startHours":28.379294874958582,"endHours":29.671906563601212,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:40","end":"06:40","startHours":5.671906563601213,"endHours":6.671906563601213,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:40","end":"07:40","startHours":6.671906563601213,"endHours":7.671906563601213,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:40","end":"08:40","startHours":7.671906563601213,"endHours":8.671906563601212,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:40","end":"09:40","startHours":8.671906563601212,"endHours":9.671906563601212,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:40","end":"10:40","startHours":9.671906563601212,"endHours":10.671906563601212,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:40","end":"11:40","startHours":10.671906563601212,"endHours":11.671906563601212,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:40","end":"12:40","startHours":11.671906563601212,"endHours":12.671906563601212,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:40","end":"13:40","startHours":12.671906563601212,"endHours":13.671906563601212,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:40","end":"14:40","startHours":13.671906563601212,"endHours":14.671906563601212,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:40","end":"15:40","startHours":14.671906563601212,"endHours":15.671906563601212,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:40","end":"16:40","startHours":15.671906563601212,"endHours":16.671906563601212,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:40","end":"17:40","startHours":16.671906563601212,"endHours":17.671906563601212,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:40","end":"18:40","startHours":17.671906563601212,"endHours":18.671906563601212,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:40","end":"19:40","startHours":18.671906563601212,"endHours":19.671906563601212,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:40","end":"20:40","startHours":19.671906563601212,"endHours":20.671906563601212,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:40","end":"21:40","startHours":20.671906563601212,"endHours":21.671906563601212,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:40","end":"22:40","startHours":21.671906563601212,"endHours":22.671906563601212,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:40","end":"23:40","startHours":22.671906563601212,"endHours":23.671906563601212,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:40","end":"00:40","startHours":23.671906563601212,"endHours":24.671906563601212,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:40","end":"01:40","startHours":24.671906563601212,"endHours":25.671906563601212,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:40","end":"02:40","startHours":25.671906563601212,"endHours":26.671906563601212,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:40","end":"03:40","startHours":26.671906563601212,"endHours":27.671906563601212,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:40","end":"04:40","startHours":27.671906563601212,"endHours":28.671906563601212,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:40","end":"05:40","startHours":28.671906563601212,"endHours":29.671906563601212,"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.571751489164406,"eotMinutes":-13.52958854184206,"ayanamsa":22.2337}},"calendars":{"vikram_samvat":1941,"vikram_samvatsara":"Hemalambī","saka_samvat":1806,"saka_samvatsara":"Tāraṇa","bengali_samvat":1291,"malayalam_era":1060,"nanakshahi_year":415,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Tṛtīyā · Vikram 1941 Hemalambī · Śaka 1806 Tāraṇa"},"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":[]},"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 31, 1884 CE · Perth, Australia · Vidhyamitra","description":"January 31, 1884 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:40, sūryāsta 19:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1884-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1884-01-31","sa":"https://sa.vidhyamitra.com/city/perth/1884-01-31","hi":"https://hi.vidhyamitra.com/city/perth/1884-01-31","x-default":"https://vidhyamitra.com/city/perth/1884-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:40:24.225Z","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":"2026-06-01T15:40:24.225Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:40:24.225Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}