{"id":"vidhyamitra:city-day:perth:2106-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2106-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2106-12-29","date_display":"December 29, 2106 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":2106,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490622.770833,"kali_year":5208,"ahargana":1902157.2708,"sun":{"sidereal_longitude":251.0082,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":294.5201,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.5119,"elapsed_within_tithi_degrees":7.5119},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.5201,"elapsed_within_degrees":1.1867},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.5282},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2106,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490622.770833,"ahargana":1902157.2708,"kali_year":5208,"ayanamsa_lahiri":25.3476,"grahas":{"sun":{"sidereal_longitude":251.540752,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":291.409352,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":4.432},"mars":{"sidereal_longitude":269.664852,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.32945199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":9.04655200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":204.075152,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":252.07405199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":194.554,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.554,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":2106,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490622.770833,"kali_year":5208,"ahargana":1902157.2708,"sun":{"sidereal_longitude":251.0082,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":294.5201,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.5119,"elapsed_within_tithi_degrees":7.5119},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1,"moon_longitude":294.5201,"elapsed_within_degrees":1.1867},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.5282},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.432,"elongation":43.512},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.432,"opposition_distance":136.488}},"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":"05:12","sunsetLocal":"19:26","solarNoonLocal":"12:19","dayLengthHours":14.221343375029864,"dayLengthDisplay":"14 Hours 13 Mins 17 Secs","nightLengthDisplay":"9 Hours 46 Mins 43 Secs","moonriseLocal":"08:15","moonsetLocal":"21:42","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"14:06","startHours":12.31507960740949,"endHours":14.092747529288225,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:59","end":"08:46","startHours":6.982075841773293,"endHours":8.759743763652025,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:32","end":"12:19","startHours":10.53741168553076,"endHours":12.31507960740949,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"09:00","startHours":8.522721374068194,"endHours":8.996766153235857,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:11","startHours":5.796963893854137,"endHours":6.1761997171882665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:47","startHours":11.84103482824183,"endHours":12.789124386577155,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:18","end":"04:15","startHours":3.308228803223911,"endHours":4.256318361559235,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:12","startHours":4.019295971975404,"endHours":5.204407919894559,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:38","startHours":14.685303503247802,"endHours":15.633393061583126,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.225751294924425,"endHours":19.625751294924424,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.425751294924424,"endHours":20.018307268884,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.175751294924424,"endHours":20.925751294924424,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:47","startHours":23.84103482824183,"endHours":24.789124386577157,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:12","end":"06:59","startHours":5.204407919894559,"endHours":6.982075841773293,"quality":"auspicious"},{"name":"Amṛta","start":"06:59","end":"08:46","startHours":6.982075841773293,"endHours":8.759743763652025,"quality":"auspicious"},{"name":"Kāla","start":"08:46","end":"10:32","startHours":8.759743763652025,"endHours":10.53741168553076,"quality":"inauspicious"},{"name":"Śubha","start":"10:32","end":"12:19","startHours":10.53741168553076,"endHours":12.31507960740949,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"14:06","startHours":12.31507960740949,"endHours":14.092747529288225,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:52","startHours":14.092747529288225,"endHours":15.87041545116696,"quality":"inauspicious"},{"name":"Chala","start":"15:52","end":"17:39","startHours":15.87041545116696,"endHours":17.64808337304569,"quality":"neutral"},{"name":"Labha","start":"17:39","end":"19:26","startHours":17.64808337304569,"endHours":19.425751294924424,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"19:26","end":"20:39","startHours":19.425751294924424,"endHours":20.64808337304569,"quality":"inauspicious"},{"name":"Chala","start":"20:39","end":"21:52","startHours":20.64808337304569,"endHours":21.87041545116696,"quality":"neutral"},{"name":"Labha","start":"21:52","end":"23:06","startHours":21.87041545116696,"endHours":23.092747529288225,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:19","startHours":23.092747529288225,"endHours":24.315079607409494,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:32","startHours":24.315079607409494,"endHours":25.53741168553076,"quality":"inauspicious"},{"name":"Śubha","start":"01:32","end":"02:46","startHours":25.53741168553076,"endHours":26.759743763652025,"quality":"auspicious"},{"name":"Roga","start":"02:46","end":"03:59","startHours":26.759743763652025,"endHours":27.982075841773295,"quality":"inauspicious"},{"name":"Udveg","start":"03:59","end":"05:12","startHours":27.982075841773295,"endHours":29.20440791989456,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.204407919894559,"endHours":6.204407919894559,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.204407919894559,"endHours":7.204407919894559,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.204407919894559,"endHours":8.20440791989456,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.20440791989456,"endHours":9.20440791989456,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.20440791989456,"endHours":10.20440791989456,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.20440791989456,"endHours":11.20440791989456,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.20440791989456,"endHours":12.20440791989456,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.20440791989456,"endHours":13.20440791989456,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.20440791989456,"endHours":14.20440791989456,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.20440791989456,"endHours":15.20440791989456,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.20440791989456,"endHours":16.20440791989456,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.20440791989456,"endHours":17.20440791989456,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.20440791989456,"endHours":18.20440791989456,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.20440791989456,"endHours":19.20440791989456,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.20440791989456,"endHours":20.20440791989456,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.20440791989456,"endHours":21.20440791989456,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.20440791989456,"endHours":22.20440791989456,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.20440791989456,"endHours":23.20440791989456,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.20440791989456,"endHours":24.20440791989456,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.20440791989456,"endHours":25.20440791989456,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.20440791989456,"endHours":26.20440791989456,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.20440791989456,"endHours":27.20440791989456,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.20440791989456,"endHours":28.20440791989456,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.20440791989456,"endHours":29.20440791989456,"planetary_lord":"Sun"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvaja","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":-23.257338120100865,"eotMinutes":-2.3467764445695645,"ayanamsa":25.3476}},"calendars":{"vikram_samvat":2163,"vikram_samvatsara":"Pramāthi","saka_samvat":2028,"saka_samvatsara":"Akṣaya","bengali_samvat":1513,"malayalam_era":1282,"nanakshahi_year":637,"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 Caturthī · Vikram 2163 Pramāthi · Śaka 2028 Akṣaya"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 December 29, 2106 CE · Perth, Australia · Vidhyamitra","description":"December 29, 2106 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:12, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2106-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2106-12-29","sa":"https://sa.vidhyamitra.com/city/perth/2106-12-29","hi":"https://hi.vidhyamitra.com/city/perth/2106-12-29","x-default":"https://vidhyamitra.com/city/perth/2106-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:30:17.123Z","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":"2026-06-02T09:30:17.123Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:30:17.123Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}