{"id":"vidhyamitra:city-day:perth:1972-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1972-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1972-12-29","date_display":"December 29, 1972 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":1972,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441680.770833,"kali_year":5074,"ahargana":1853215.2708,"sun":{"sidereal_longitude":253.7564,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":179.2359,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.4795,"elapsed_within_tithi_degrees":9.4795},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.2359,"elapsed_within_degrees":5.9026},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.9922},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1972,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441680.770833,"ahargana":1853215.2708,"kali_year":5074,"ayanamsa_lahiri":23.4757,"grahas":{"sun":{"sidereal_longitude":253.949296,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":182.04369599999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-4.4985},"mars":{"sidereal_longitude":215.783596,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":237.13279599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":264.19639600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":229.70589599999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":52.339995999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":267.7367,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":87.7367,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1972,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441680.770833,"kali_year":5074,"ahargana":1853215.2708,"sun":{"sidereal_longitude":253.7564,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":179.2359,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.4795,"elapsed_within_tithi_degrees":9.4795},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.2359,"elapsed_within_degrees":5.9026},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":72.9922},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.498,"elongation":74.52},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.498,"opposition_distance":105.48}},"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":"19:25","solarNoonLocal":"12:19","dayLengthHours":14.218335991791879,"dayLengthDisplay":"14 Hours 13 Mins 06 Secs","nightLengthDisplay":"9 Hours 46 Mins 54 Secs","moonriseLocal":"01:04","moonsetLocal":"13:59","rahuKala":{"name":"Rāhu Kāla","start":"10:32","end":"12:19","startHours":10.537787608435508,"endHours":12.31507960740949,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:52","end":"17:39","startHours":15.869663605357463,"endHours":17.646955604331445,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:59","end":"08:46","startHours":6.9832036104875375,"endHours":8.760495609461522,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:31","end":"09:00","startHours":8.523523342931657,"endHours":8.997467875991386,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:11","startHours":5.798342277838214,"endHours":6.177497904285997,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:47","startHours":11.841135074349763,"endHours":12.789024140469222,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:19","end":"04:15","startHours":3.310133479274635,"endHours":4.258022545394094,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:01","end":"05:12","startHours":4.021050278864229,"endHours":5.205911611513552,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:41","end":"15:38","startHours":14.684802272708136,"endHours":15.632691338827595,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:13","end":"19:37","startHours":19.224247603305432,"endHours":19.62424760330543,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:25","end":"20:01","startHours":19.42424760330543,"endHours":20.016678269630095,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:10","end":"20:55","startHours":19.17424760330543,"endHours":20.92424760330543,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:47","startHours":23.841135074349765,"endHours":24.789024140469223,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:12","end":"06:59","startHours":5.205911611513552,"endHours":6.9832036104875375,"quality":"neutral"},{"name":"Labha","start":"06:59","end":"08:46","startHours":6.9832036104875375,"endHours":8.760495609461522,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:32","startHours":8.760495609461522,"endHours":10.537787608435508,"quality":"auspicious"},{"name":"Kāla","start":"10:32","end":"12:19","startHours":10.537787608435508,"endHours":12.31507960740949,"quality":"inauspicious"},{"name":"Śubha","start":"12:19","end":"14:06","startHours":12.31507960740949,"endHours":14.092371606383477,"quality":"auspicious"},{"name":"Roga","start":"14:06","end":"15:52","startHours":14.092371606383477,"endHours":15.869663605357463,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:39","startHours":15.869663605357463,"endHours":17.646955604331445,"quality":"inauspicious"},{"name":"Chala","start":"17:39","end":"19:25","startHours":17.646955604331445,"endHours":19.42424760330543,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"19:25","end":"20:39","startHours":19.42424760330543,"endHours":20.646955604331445,"quality":"inauspicious"},{"name":"Udveg","start":"20:39","end":"21:52","startHours":20.646955604331445,"endHours":21.869663605357463,"quality":"inauspicious"},{"name":"Chala","start":"21:52","end":"23:06","startHours":21.869663605357463,"endHours":23.092371606383477,"quality":"neutral"},{"name":"Labha","start":"23:06","end":"00:19","startHours":23.092371606383477,"endHours":24.315079607409494,"quality":"auspicious"},{"name":"Amṛta","start":"00:19","end":"01:32","startHours":24.315079607409494,"endHours":25.537787608435508,"quality":"auspicious"},{"name":"Kāla","start":"01:32","end":"02:46","startHours":25.537787608435508,"endHours":26.760495609461522,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"03:59","startHours":26.760495609461522,"endHours":27.983203610487536,"quality":"auspicious"},{"name":"Roga","start":"03:59","end":"05:12","startHours":27.983203610487536,"endHours":29.205911611513553,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:12","end":"06:12","startHours":5.205911611513552,"endHours":6.205911611513552,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:12","end":"07:12","startHours":6.205911611513552,"endHours":7.205911611513552,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:12","end":"08:12","startHours":7.205911611513552,"endHours":8.205911611513553,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:12","end":"09:12","startHours":8.205911611513553,"endHours":9.205911611513553,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:12","end":"10:12","startHours":9.205911611513553,"endHours":10.205911611513553,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:12","end":"11:12","startHours":10.205911611513553,"endHours":11.205911611513553,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:12","end":"12:12","startHours":11.205911611513553,"endHours":12.205911611513553,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:12","end":"13:12","startHours":12.205911611513553,"endHours":13.205911611513553,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:12","end":"14:12","startHours":13.205911611513553,"endHours":14.205911611513553,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:12","end":"15:12","startHours":14.205911611513553,"endHours":15.205911611513553,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:12","end":"16:12","startHours":15.205911611513553,"endHours":16.205911611513553,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:12","end":"17:12","startHours":16.205911611513553,"endHours":17.205911611513553,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:12","end":"18:12","startHours":17.205911611513553,"endHours":18.205911611513553,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:12","end":"19:12","startHours":18.205911611513553,"endHours":19.205911611513553,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:12","end":"20:12","startHours":19.205911611513553,"endHours":20.205911611513553,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:12","end":"21:12","startHours":20.205911611513553,"endHours":21.205911611513553,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:12","end":"22:12","startHours":21.205911611513553,"endHours":22.205911611513553,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:12","end":"23:12","startHours":22.205911611513553,"endHours":23.205911611513553,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:12","end":"00:12","startHours":23.205911611513553,"endHours":24.205911611513553,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:12","end":"01:12","startHours":24.205911611513553,"endHours":25.205911611513553,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:12","end":"02:12","startHours":25.205911611513553,"endHours":26.205911611513553,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:12","end":"03:12","startHours":26.205911611513553,"endHours":27.205911611513553,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:12","end":"04:12","startHours":27.205911611513553,"endHours":28.205911611513553,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:12","end":"05:12","startHours":28.205911611513553,"endHours":29.205911611513553,"planetary_lord":"Mars"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"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":-23.22839839562401,"eotMinutes":-2.3467764445695645,"ayanamsa":23.4757}},"calendars":{"vikram_samvat":2029,"vikram_samvatsara":"Krodhana","saka_samvat":1894,"saka_samvatsara":"Paridhāvi","bengali_samvat":1379,"malayalam_era":1148,"nanakshahi_year":503,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Navamī · Vikram 2029 Krodhana · Śaka 1894 Paridhāvi"},"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 December 29, 1972 CE · Perth, Australia · Vidhyamitra","description":"December 29, 1972 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 05:12, sūryāsta 19:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1972-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1972-12-29","sa":"https://sa.vidhyamitra.com/city/perth/1972-12-29","hi":"https://hi.vidhyamitra.com/city/perth/1972-12-29","x-default":"https://vidhyamitra.com/city/perth/1972-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:20:27.395Z","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":"2026-06-01T12:20:27.395Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:20:27.395Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}