{"id":"vidhyamitra:city-day:perth:2104-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2104-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2104-01-11","date_display":"January 11, 2104 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":2104,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489539.770833,"kali_year":5205,"ahargana":1901074.2708,"sun":{"sidereal_longitude":264.1426,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":69.923,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":165.7804,"elapsed_within_tithi_degrees":9.7804},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.923,"elapsed_within_degrees":3.2564},"yoga":{"number":26,"name":"Indra","sum_longitude":334.0656},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2104,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489539.770833,"ahargana":1901074.2708,"kali_year":5205,"ayanamsa_lahiri":25.3062,"grahas":{"sun":{"sidereal_longitude":264.553631,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":69.07313099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":0.1579},"mars":{"sidereal_longitude":95.93753099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":245.73313099999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":278.747531,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":232.895531,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":223.15813100000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":251.9365,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":71.9365,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","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":2104,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489539.770833,"kali_year":5205,"ahargana":1901074.2708,"sun":{"sidereal_longitude":264.1426,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":69.923,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":165.7804,"elapsed_within_tithi_degrees":9.7804},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.923,"elapsed_within_degrees":3.2564},"yoga":{"number":26,"name":"Indra","sum_longitude":334.0656},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.158,"elongation":165.78},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.158,"opposition_distance":14.22}},"eclipse_window_40days":[{"offset_days":1,"type":"lunar","occurs":true,"moon_latitude":-0.89,"opposition_distance":1.868}]},"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":"05:22","sunsetLocal":"19:27","solarNoonLocal":"12:24","dayLengthHours":14.08888709378437,"dayLengthDisplay":"14 Hours 05 Mins 20 Secs","nightLengthDisplay":"9 Hours 54 Mins 40 Secs","moonriseLocal":"18:22","moonsetLocal":"04:23","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:24","startHours":10.64629748385973,"endHours":12.407408370582775,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:56","end":"17:41","startHours":15.929630144028868,"endHours":17.690741030751916,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:07","end":"08:53","startHours":7.124075710413638,"endHours":8.885186597136684,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:07","startHours":8.650371812240277,"endHours":9.12000138203309,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:20","startHours":5.950001785931606,"endHours":6.325705441765856,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:53","startHours":11.937778800789964,"endHours":12.877037940375587,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:29","end":"04:25","startHours":3.4844465445193418,"endHours":4.4237056841049665,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:11","end":"05:22","startHours":4.188890899208561,"endHours":5.362964823690591,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:42","startHours":14.755556219546838,"endHours":15.694815359132463,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:15","end":"19:39","startHours":19.251851917474962,"endHours":19.65185191747496,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:27","end":"20:02","startHours":19.45185191747496,"endHours":20.038888879715977,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:12","end":"20:57","startHours":19.20185191747496,"endHours":20.95185191747496,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:53","startHours":23.937778800789964,"endHours":24.877037940375587,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:22","end":"07:07","startHours":5.362964823690591,"endHours":7.124075710413638,"quality":"neutral"},{"name":"Labha","start":"07:07","end":"08:53","startHours":7.124075710413638,"endHours":8.885186597136684,"quality":"auspicious"},{"name":"Amṛta","start":"08:53","end":"10:39","startHours":8.885186597136684,"endHours":10.64629748385973,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:24","startHours":10.64629748385973,"endHours":12.407408370582775,"quality":"inauspicious"},{"name":"Śubha","start":"12:24","end":"14:10","startHours":12.407408370582775,"endHours":14.168519257305823,"quality":"auspicious"},{"name":"Roga","start":"14:10","end":"15:56","startHours":14.168519257305823,"endHours":15.929630144028868,"quality":"inauspicious"},{"name":"Udveg","start":"15:56","end":"17:41","startHours":15.929630144028868,"endHours":17.690741030751916,"quality":"inauspicious"},{"name":"Chala","start":"17:41","end":"19:27","startHours":17.690741030751916,"endHours":19.45185191747496,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:27","end":"20:41","startHours":19.45185191747496,"endHours":20.690741030751916,"quality":"inauspicious"},{"name":"Udveg","start":"20:41","end":"21:56","startHours":20.690741030751916,"endHours":21.92963014402887,"quality":"inauspicious"},{"name":"Chala","start":"21:56","end":"23:10","startHours":21.92963014402887,"endHours":23.168519257305825,"quality":"neutral"},{"name":"Labha","start":"23:10","end":"00:24","startHours":23.168519257305825,"endHours":24.407408370582775,"quality":"auspicious"},{"name":"Amṛta","start":"00:24","end":"01:39","startHours":24.407408370582775,"endHours":25.64629748385973,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"02:53","startHours":25.64629748385973,"endHours":26.885186597136684,"quality":"inauspicious"},{"name":"Śubha","start":"02:53","end":"04:07","startHours":26.885186597136684,"endHours":28.124075710413635,"quality":"auspicious"},{"name":"Roga","start":"04:07","end":"05:22","startHours":28.124075710413635,"endHours":29.36296482369059,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.362964823690591,"endHours":6.362964823690591,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.362964823690591,"endHours":7.362964823690591,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.362964823690591,"endHours":8.362964823690591,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.362964823690591,"endHours":9.362964823690591,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.362964823690591,"endHours":10.362964823690591,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.362964823690591,"endHours":11.362964823690591,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.362964823690591,"endHours":12.362964823690591,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.362964823690591,"endHours":13.362964823690591,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.362964823690591,"endHours":14.362964823690591,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.362964823690591,"endHours":15.362964823690591,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.362964823690591,"endHours":16.36296482369059,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.36296482369059,"endHours":17.36296482369059,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.36296482369059,"endHours":18.36296482369059,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.36296482369059,"endHours":19.36296482369059,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.36296482369059,"endHours":20.36296482369059,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.36296482369059,"endHours":21.36296482369059,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.36296482369059,"endHours":22.36296482369059,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.36296482369059,"endHours":23.36296482369059,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.36296482369059,"endHours":24.36296482369059,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.36296482369059,"endHours":25.36296482369059,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.36296482369059,"endHours":26.36296482369059,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.36296482369059,"endHours":27.36296482369059,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.36296482369059,"endHours":28.36296482369059,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.36296482369059,"endHours":29.36296482369059,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"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":-21.967334834424502,"eotMinutes":-7.886502234966622,"ayanamsa":25.3062}},"calendars":{"vikram_samvat":2161,"vikram_samvatsara":"Īśvara","saka_samvat":2026,"saka_samvatsara":"Raktākṣī","bengali_samvat":1511,"malayalam_era":1280,"nanakshahi_year":635,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Caturdaśī · Vikram 2161 Īśvara · Śaka 2026 Raktākṣī"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 11, 2104 CE · Perth, Australia · Vidhyamitra","description":"January 11, 2104 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 05:22, sūryāsta 19:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2104-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2104-01-11","sa":"https://sa.vidhyamitra.com/city/perth/2104-01-11","hi":"https://hi.vidhyamitra.com/city/perth/2104-01-11","x-default":"https://vidhyamitra.com/city/perth/2104-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:15:05.295Z","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":"2026-05-31T10:15:05.295Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:15:05.296Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}