{"id":"vidhyamitra:city-day:perth:2011-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2011-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-12-29","date_display":"December 29, 2011 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":2011,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455924.770833,"kali_year":5113,"ahargana":1867459.2708,"sun":{"sidereal_longitude":252.6343,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":306.7096,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.0754,"elapsed_within_tithi_degrees":6.0754},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":306.7096,"elapsed_within_degrees":0.043},"yoga":{"number":15,"name":"Vajra","sum_longitude":199.3439},"karana":{"half_tithi_index":9,"name":"Bālava"},"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":2011,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455924.770833,"ahargana":1867459.2708,"kali_year":5113,"ayanamsa_lahiri":24.0205,"grahas":{"sun":{"sidereal_longitude":252.92907100000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":306.68897100000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":4.3185},"mars":{"sidereal_longitude":145.144471,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":231.67627100000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":6.205970999999977,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":286.009671,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":183.81087100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":233.021,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":53.021,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2011,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455924.770833,"kali_year":5113,"ahargana":1867459.2708,"sun":{"sidereal_longitude":252.6343,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":306.7096,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":54.0754,"elapsed_within_tithi_degrees":6.0754},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":306.7096,"elapsed_within_degrees":0.043},"yoga":{"number":15,"name":"Vajra","sum_longitude":199.3439},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.319,"elongation":54.075},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.319,"opposition_distance":125.925}},"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":14.221011522789123,"dayLengthDisplay":"14 Hours 13 Mins 16 Secs","nightLengthDisplay":"9 Hours 46 Mins 44 Secs","moonriseLocal":"09:23","moonsetLocal":"22:25","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:52","startHours":14.092706047758135,"endHours":15.870332488106772,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:12","end":"06:59","startHours":5.204573846014932,"endHours":6.982200286363572,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:46","end":"10:32","startHours":8.759826726712213,"endHours":10.537453167060853,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"09:00","startHours":8.522809867999062,"endHours":8.996843585425365,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:11","startHours":5.797115992797812,"endHours":6.176342966738855,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:47","startHours":11.841045889983189,"endHours":12.789113324835796,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:15","startHours":3.3084389763097155,"endHours":4.256506411162324,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:12","startHours":4.019489552449171,"endHours":5.204573846014932,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:38","startHours":14.685248194541014,"endHours":15.633315629393623,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:14","end":"19:38","startHours":19.225585368804055,"endHours":19.625585368804053,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:26","end":"20:01","startHours":19.425585368804054,"endHours":20.018127515586933,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:11","end":"20:56","startHours":19.175585368804054,"endHours":20.925585368804054,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:47","startHours":23.84104588998319,"endHours":24.7891133248358,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:12","end":"06:59","startHours":5.204573846014932,"endHours":6.982200286363572,"quality":"auspicious"},{"name":"Roga","start":"06:59","end":"08:46","startHours":6.982200286363572,"endHours":8.759826726712213,"quality":"inauspicious"},{"name":"Udveg","start":"08:46","end":"10:32","startHours":8.759826726712213,"endHours":10.537453167060853,"quality":"inauspicious"},{"name":"Chala","start":"10:32","end":"12:19","startHours":10.537453167060853,"endHours":12.315079607409494,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"14:06","startHours":12.315079607409494,"endHours":14.092706047758135,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:52","startHours":14.092706047758135,"endHours":15.870332488106772,"quality":"auspicious"},{"name":"Kāla","start":"15:52","end":"17:39","startHours":15.870332488106772,"endHours":17.647958928455413,"quality":"inauspicious"},{"name":"Śubha","start":"17:39","end":"19:26","startHours":17.647958928455413,"endHours":19.425585368804054,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:26","end":"20:39","startHours":19.425585368804054,"endHours":20.647958928455413,"quality":"auspicious"},{"name":"Kāla","start":"20:39","end":"21:52","startHours":20.647958928455413,"endHours":21.870332488106772,"quality":"inauspicious"},{"name":"Śubha","start":"21:52","end":"23:06","startHours":21.870332488106772,"endHours":23.09270604775813,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:19","startHours":23.09270604775813,"endHours":24.315079607409494,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:32","startHours":24.315079607409494,"endHours":25.537453167060853,"quality":"inauspicious"},{"name":"Chala","start":"01:32","end":"02:46","startHours":25.537453167060853,"endHours":26.759826726712213,"quality":"neutral"},{"name":"Labha","start":"02:46","end":"03:59","startHours":26.759826726712213,"endHours":27.98220028636357,"quality":"auspicious"},{"name":"Amṛta","start":"03:59","end":"05:12","startHours":27.98220028636357,"endHours":29.20457384601493,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.204573846014932,"endHours":6.204573846014932,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.204573846014932,"endHours":7.204573846014932,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.204573846014932,"endHours":8.204573846014931,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.204573846014931,"endHours":9.204573846014931,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.204573846014931,"endHours":10.204573846014931,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.204573846014931,"endHours":11.204573846014931,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.204573846014931,"endHours":12.204573846014931,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.204573846014931,"endHours":13.204573846014931,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.204573846014931,"endHours":14.204573846014931,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.204573846014931,"endHours":15.204573846014931,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.204573846014931,"endHours":16.20457384601493,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.20457384601493,"endHours":17.20457384601493,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.20457384601493,"endHours":18.20457384601493,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.20457384601493,"endHours":19.20457384601493,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.20457384601493,"endHours":20.20457384601493,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.20457384601493,"endHours":21.20457384601493,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.20457384601493,"endHours":22.20457384601493,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.20457384601493,"endHours":23.20457384601493,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.20457384601493,"endHours":24.20457384601493,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.20457384601493,"endHours":25.20457384601493,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.20457384601493,"endHours":26.20457384601493,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.20457384601493,"endHours":27.20457384601493,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.20457384601493,"endHours":28.20457384601493,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.20457384601493,"endHours":29.20457384601493,"planetary_lord":"Moon"}],"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","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.254145543265988,"eotMinutes":-2.3467764445695645,"ayanamsa":24.0205}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pañcamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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 December 29, 2011 CE · Perth, Australia · Vidhyamitra","description":"December 29, 2011 CE for Perth, Australia: Śukla Pañcamī, sūryodaya 05:12, sūryāsta 19:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2011-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2011-12-29","sa":"https://sa.vidhyamitra.com/city/perth/2011-12-29","hi":"https://hi.vidhyamitra.com/city/perth/2011-12-29","x-default":"https://vidhyamitra.com/city/perth/2011-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:18:10.863Z","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":"2026-05-15T20:18:10.863Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:18:10.863Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}