{"id":"vidhyamitra:city-day:perth:2034-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2034-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2034-01-31","date_display":"January 31, 2034 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":2034,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463993.770833,"kali_year":5135,"ahargana":1875528.2708,"sun":{"sidereal_longitude":286.8211,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":65.4455,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.6244,"elapsed_within_tithi_degrees":6.6244},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.4455,"elapsed_within_degrees":12.1121},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.2665},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2034,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463993.770833,"ahargana":1875528.2708,"kali_year":5135,"ayanamsa_lahiri":24.3291,"grahas":{"sun":{"sidereal_longitude":286.892476,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":64.690676,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":-4.4309},"mars":{"sidereal_longitude":348.316976,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":303.8196760000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":316.15627599999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":292.880676,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":81.39997599999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":165.4865,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":345.4865,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":2034,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463993.770833,"kali_year":5135,"ahargana":1875528.2708,"sun":{"sidereal_longitude":286.8211,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":65.4455,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.6244,"elapsed_within_tithi_degrees":6.6244},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.4455,"elapsed_within_degrees":12.1121},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.2665},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.431,"elongation":138.624},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.431,"opposition_distance":41.376}},"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":"05:41","sunsetLocal":"19:19","solarNoonLocal":"12:30","dayLengthHours":13.643581509644367,"dayLengthDisplay":"13 Hours 38 Mins 37 Secs","nightLengthDisplay":"10 Hours 21 Mins 23 Secs","moonriseLocal":"16:41","moonsetLocal":"02:42","rahuKala":{"name":"Rāhu Kāla","start":"15:55","end":"17:37","startHours":15.912355186441793,"endHours":17.617802875147337,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:48","startHours":9.090564431619608,"endHours":10.796012120325155,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"14:12","startHours":12.501459809030699,"endHours":14.206907497736246,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:19","startHours":8.863171406458868,"endHours":9.317957456780348,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:15","end":"06:37","startHours":6.248151617110365,"endHours":6.611980457367547,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:57","startHours":12.046673758709222,"endHours":12.95624585935218,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:46","startHours":3.860524852922601,"endHours":4.770096953565559,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:33","end":"05:41","startHours":4.542703928404819,"endHours":5.679669054208516,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:47","end":"15:41","startHours":14.775390060638095,"endHours":15.684962161281053,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:07","end":"19:31","startHours":19.123250563852885,"endHours":19.523250563852883,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:19","end":"19:54","startHours":19.323250563852884,"endHours":19.891733126754733,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:04","end":"20:49","startHours":19.073250563852884,"endHours":20.823250563852884,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:57","startHours":24.04667375870922,"endHours":24.95624585935218,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:41","end":"07:23","startHours":5.679669054208516,"endHours":7.385116742914063,"quality":"inauspicious"},{"name":"Udveg","start":"07:23","end":"09:05","startHours":7.385116742914063,"endHours":9.090564431619608,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:48","startHours":9.090564431619608,"endHours":10.796012120325155,"quality":"neutral"},{"name":"Labha","start":"10:48","end":"12:30","startHours":10.796012120325155,"endHours":12.501459809030699,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"14:12","startHours":12.501459809030699,"endHours":14.206907497736246,"quality":"auspicious"},{"name":"Kāla","start":"14:12","end":"15:55","startHours":14.206907497736246,"endHours":15.912355186441793,"quality":"inauspicious"},{"name":"Śubha","start":"15:55","end":"17:37","startHours":15.912355186441793,"endHours":17.617802875147337,"quality":"auspicious"},{"name":"Roga","start":"17:37","end":"19:19","startHours":17.617802875147337,"endHours":19.323250563852884,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:19","end":"20:37","startHours":19.323250563852884,"endHours":20.617802875147337,"quality":"inauspicious"},{"name":"Śubha","start":"20:37","end":"21:55","startHours":20.617802875147337,"endHours":21.912355186441793,"quality":"auspicious"},{"name":"Roga","start":"21:55","end":"23:12","startHours":21.912355186441793,"endHours":23.206907497736246,"quality":"inauspicious"},{"name":"Udveg","start":"23:12","end":"00:30","startHours":23.206907497736246,"endHours":24.5014598090307,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"01:48","startHours":24.5014598090307,"endHours":25.796012120325155,"quality":"neutral"},{"name":"Labha","start":"01:48","end":"03:05","startHours":25.796012120325155,"endHours":27.090564431619608,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:23","startHours":27.090564431619608,"endHours":28.385116742914065,"quality":"auspicious"},{"name":"Kāla","start":"04:23","end":"05:41","startHours":28.385116742914065,"endHours":29.679669054208517,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:41","end":"06:41","startHours":5.679669054208516,"endHours":6.679669054208516,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:41","end":"07:41","startHours":6.679669054208516,"endHours":7.679669054208516,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:41","end":"08:41","startHours":7.679669054208516,"endHours":8.679669054208517,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:41","end":"09:41","startHours":8.679669054208517,"endHours":9.679669054208517,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:41","end":"10:41","startHours":9.679669054208517,"endHours":10.679669054208517,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:41","end":"11:41","startHours":10.679669054208517,"endHours":11.679669054208517,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:41","end":"12:41","startHours":11.679669054208517,"endHours":12.679669054208517,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:41","end":"13:41","startHours":12.679669054208517,"endHours":13.679669054208517,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:41","end":"14:41","startHours":13.679669054208517,"endHours":14.679669054208517,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:41","end":"15:41","startHours":14.679669054208517,"endHours":15.679669054208517,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:41","end":"16:41","startHours":15.679669054208517,"endHours":16.679669054208517,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:41","end":"17:41","startHours":16.679669054208517,"endHours":17.679669054208517,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:41","end":"18:41","startHours":17.679669054208517,"endHours":18.679669054208517,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:41","end":"19:41","startHours":18.679669054208517,"endHours":19.679669054208517,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:41","end":"20:41","startHours":19.679669054208517,"endHours":20.679669054208517,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:41","end":"21:41","startHours":20.679669054208517,"endHours":21.679669054208517,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:41","end":"22:41","startHours":21.679669054208517,"endHours":22.679669054208517,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:41","end":"23:41","startHours":22.679669054208517,"endHours":23.679669054208517,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:41","end":"00:41","startHours":23.679669054208517,"endHours":24.679669054208517,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:41","end":"01:41","startHours":24.679669054208517,"endHours":25.679669054208517,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:41","end":"02:41","startHours":25.679669054208517,"endHours":26.679669054208517,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:41","end":"03:41","startHours":26.679669054208517,"endHours":27.679669054208517,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:41","end":"04:41","startHours":27.679669054208517,"endHours":28.679669054208517,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:41","end":"05:41","startHours":28.679669054208517,"endHours":29.679669054208517,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North (Uttara)","chandraVasa":"South","rahuVasa":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.407227250559558,"eotMinutes":-13.52958854184206,"ayanamsa":24.3291}},"calendars":{"vikram_samvat":2091,"vikram_samvatsara":"Prabhava","saka_samvat":1956,"saka_samvatsara":"Ānanda","bengali_samvat":1441,"malayalam_era":1210,"nanakshahi_year":565,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Dvādaśī · Vikram 2091 Prabhava · Śaka 1956 Ānanda"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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 January 31, 2034 CE · Perth, Australia · Vidhyamitra","description":"January 31, 2034 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 05:41, sūryāsta 19:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2034-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2034-01-31","sa":"https://sa.vidhyamitra.com/city/perth/2034-01-31","hi":"https://hi.vidhyamitra.com/city/perth/2034-01-31","x-default":"https://vidhyamitra.com/city/perth/2034-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T04:18:11.717Z","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":"2026-05-15T04:18:11.717Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T04:18:11.717Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}