{"id":"vidhyamitra:city-day:perth:1973-11-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1973-11-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-11-20","date_display":"November 20, 1973 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":1973,"month":11,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442006.770833,"kali_year":5075,"ahargana":1853541.2708,"sun":{"sidereal_longitude":213.5676,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":156.576,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.0085,"elapsed_within_tithi_degrees":3.0085},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.576,"elapsed_within_degrees":9.9093},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1436},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1973,"month":11,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2442006.770833,"ahargana":1853541.2708,"kali_year":5075,"ayanamsa_lahiri":23.4882,"grahas":{"sun":{"sidereal_longitude":214.08364099999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":158.58604100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-4.4896},"mars":{"sidereal_longitude":2.4116410000000315,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":197.41514099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":283.33864100000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"venus":{"sidereal_longitude":261.42244099999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":70.484441,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":250.4636,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":70.4636,"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":1973,"month":11,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2442006.770833,"kali_year":5075,"ahargana":1853541.2708,"sun":{"sidereal_longitude":213.5676,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":156.576,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":303.0085,"elapsed_within_tithi_degrees":3.0085},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.576,"elapsed_within_degrees":9.9093},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.1436},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.49,"elongation":56.992},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.49,"opposition_distance":123.008}},"eclipse_window_40days":[{"offset_days":20,"type":"lunar","occurs":true,"moon_latitude":1.303,"opposition_distance":1.423}]},"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":"05:07","sunsetLocal":"18:59","solarNoonLocal":"12:03","dayLengthHours":13.855174627001267,"dayLengthDisplay":"13 Hours 51 Mins 19 Secs","nightLengthDisplay":"10 Hours 08 Mins 41 Secs","moonriseLocal":"02:16","moonsetLocal":"14:26","rahuKala":{"name":"Rāhu Kāla","start":"15:31","end":"17:15","startHours":15.511413468420502,"endHours":17.243310296795663,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:35","end":"10:19","startHours":8.583826154919869,"endHours":10.315722983295027,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:47","startHours":12.047619811670184,"endHours":13.779516640045344,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:49","startHours":8.35290657780318,"endHours":8.814745732036556,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:04","startHours":5.697331440961271,"endHours":6.066802764347972,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:31","startHours":11.585780657436809,"endHours":12.50945896590356,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:16","end":"04:12","startHours":3.27267588123605,"endHours":4.1963541897028005,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:07","startHours":3.965434612586113,"endHours":5.120032498169552,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:17","startHours":14.356815582837063,"endHours":15.280493891303815,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.77520712517082,"endHours":19.175207125170818,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.97520712517082,"endHours":19.55250606796254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.72520712517082,"endHours":20.47520712517082,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:31","startHours":23.58578065743681,"endHours":24.50945896590356,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:07","end":"06:51","startHours":5.120032498169552,"endHours":6.8519293265447105,"quality":"inauspicious"},{"name":"Udveg","start":"06:51","end":"08:35","startHours":6.8519293265447105,"endHours":8.583826154919869,"quality":"inauspicious"},{"name":"Chala","start":"08:35","end":"10:19","startHours":8.583826154919869,"endHours":10.315722983295027,"quality":"neutral"},{"name":"Labha","start":"10:19","end":"12:03","startHours":10.315722983295027,"endHours":12.047619811670184,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:47","startHours":12.047619811670184,"endHours":13.779516640045344,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:31","startHours":13.779516640045344,"endHours":15.511413468420502,"quality":"inauspicious"},{"name":"Śubha","start":"15:31","end":"17:15","startHours":15.511413468420502,"endHours":17.243310296795663,"quality":"auspicious"},{"name":"Roga","start":"17:15","end":"18:59","startHours":17.243310296795663,"endHours":18.97520712517082,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:59","end":"20:15","startHours":18.97520712517082,"endHours":20.24331029679566,"quality":"inauspicious"},{"name":"Śubha","start":"20:15","end":"21:31","startHours":20.24331029679566,"endHours":21.511413468420503,"quality":"auspicious"},{"name":"Roga","start":"21:31","end":"22:47","startHours":21.511413468420503,"endHours":22.779516640045344,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:03","startHours":22.779516640045344,"endHours":24.047619811670184,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:19","startHours":24.047619811670184,"endHours":25.315722983295025,"quality":"neutral"},{"name":"Labha","start":"01:19","end":"02:35","startHours":25.315722983295025,"endHours":26.58382615491987,"quality":"auspicious"},{"name":"Amṛta","start":"02:35","end":"03:51","startHours":26.58382615491987,"endHours":27.85192932654471,"quality":"auspicious"},{"name":"Kāla","start":"03:51","end":"05:07","startHours":27.85192932654471,"endHours":29.12003249816955,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.120032498169552,"endHours":6.120032498169552,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.120032498169552,"endHours":7.120032498169552,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.120032498169552,"endHours":8.120032498169552,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.120032498169552,"endHours":9.120032498169552,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.120032498169552,"endHours":10.120032498169552,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.120032498169552,"endHours":11.120032498169552,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.120032498169552,"endHours":12.120032498169552,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.120032498169552,"endHours":13.120032498169552,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.120032498169552,"endHours":14.120032498169552,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.120032498169552,"endHours":15.120032498169552,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.120032498169552,"endHours":16.12003249816955,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.12003249816955,"endHours":17.12003249816955,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.12003249816955,"endHours":18.12003249816955,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.12003249816955,"endHours":19.12003249816955,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.12003249816955,"endHours":20.12003249816955,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.12003249816955,"endHours":21.12003249816955,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.12003249816955,"endHours":22.12003249816955,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.12003249816955,"endHours":23.12003249816955,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.12003249816955,"endHours":24.12003249816955,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.12003249816955,"endHours":25.12003249816955,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.12003249816955,"endHours":26.12003249816955,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.12003249816955,"endHours":27.12003249816955,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.12003249816955,"endHours":28.12003249816955,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.12003249816955,"endHours":29.12003249816955,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.615830609630905,"eotMinutes":13.700811299788931,"ayanamsa":23.4882}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Ekādaśī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[{"id":"saphala-ekadashi","name":"Saphalā Ekādaśī","name_sanskrit":"सफला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Renders all undertakings fruitful (saphala).","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 November 20, 1973 CE · Perth, Australia · Vidhyamitra","description":"November 20, 1973 CE for Perth, Australia: Kṛṣṇa Ekādaśī, sūryodaya 05:07, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1973-11-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1973-11-20","sa":"https://sa.vidhyamitra.com/city/perth/1973-11-20","hi":"https://hi.vidhyamitra.com/city/perth/1973-11-20","x-default":"https://vidhyamitra.com/city/perth/1973-11-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:07:43.373Z","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":"2026-06-03T00:07:43.373Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:07:43.373Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}