{"id":"vidhyamitra:city-day:perth:1973-03-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1973-03-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1973-03-27","date_display":"March 27, 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":3,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441768.770833,"kali_year":5074,"ahargana":1853303.2708,"sun":{"sidereal_longitude":342.9877,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":255.097,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1094,"elapsed_within_tithi_degrees":8.1094},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.097,"elapsed_within_degrees":1.7637},"yoga":{"number":18,"name":"Varīyān","sum_longitude":238.0847},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":3,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2441768.770833,"ahargana":1853303.2708,"kali_year":5074,"ayanamsa_lahiri":23.4791,"grahas":{"sun":{"sidereal_longitude":342.751134,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":253.32293400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-0.6239},"mars":{"sidereal_longitude":277.000634,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":321.99223400000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":283.106634,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"venus":{"sidereal_longitude":339.626334,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":51.96523400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":263.074,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":83.074,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":1973,"month":3,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2441768.770833,"kali_year":5074,"ahargana":1853303.2708,"sun":{"sidereal_longitude":342.9877,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":255.097,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1094,"elapsed_within_tithi_degrees":8.1094},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":255.097,"elapsed_within_degrees":1.7637},"yoga":{"number":18,"name":"Varīyān","sum_longitude":238.0847},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.624,"elongation":87.891},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.624,"opposition_distance":92.109}},"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":"06:25","sunsetLocal":"18:20","solarNoonLocal":"12:22","dayLengthHours":11.925169736362225,"dayLengthDisplay":"11 Hours 55 Mins 31 Secs","nightLengthDisplay":"12 Hours 04 Mins 29 Secs","moonriseLocal":"23:19","moonsetLocal":"13:30","rahuKala":{"name":"Rāhu Kāla","start":"15:21","end":"16:51","startHours":15.3562659194621,"endHours":16.846912136507378,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:24","end":"10:53","startHours":9.393681051280986,"endHours":10.884327268326263,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:52","startHours":12.374973485371541,"endHours":13.865619702416819,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:12","end":"09:36","startHours":9.194928222341616,"endHours":9.592433880220355,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:14","startHours":6.909270689538856,"endHours":7.227275215841848,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:46","startHours":11.977467827492802,"endHours":12.772479143250283,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:49","end":"05:37","startHours":4.822365985675466,"endHours":5.617377301432947,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:25","startHours":5.418624472493577,"endHours":6.412388617190429,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:09","startHours":14.362501774765246,"endHours":15.157513090522727,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.137558353552656,"endHours":18.537558353552654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:50","startHours":18.337558353552655,"endHours":18.834440425901082,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.087558353552655,"endHours":19.837558353552655,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:46","startHours":23.9774678274928,"endHours":24.772479143250283,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:25","end":"07:54","startHours":6.412388617190429,"endHours":7.903034834235708,"quality":"inauspicious"},{"name":"Udveg","start":"07:54","end":"09:24","startHours":7.903034834235708,"endHours":9.393681051280986,"quality":"inauspicious"},{"name":"Chala","start":"09:24","end":"10:53","startHours":9.393681051280986,"endHours":10.884327268326263,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:22","startHours":10.884327268326263,"endHours":12.374973485371541,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:52","startHours":12.374973485371541,"endHours":13.865619702416819,"quality":"auspicious"},{"name":"Kāla","start":"13:52","end":"15:21","startHours":13.865619702416819,"endHours":15.3562659194621,"quality":"inauspicious"},{"name":"Śubha","start":"15:21","end":"16:51","startHours":15.3562659194621,"endHours":16.846912136507378,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:20","startHours":16.846912136507378,"endHours":18.337558353552655,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:20","end":"19:51","startHours":18.337558353552655,"endHours":19.846912136507378,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:21","startHours":19.846912136507378,"endHours":21.3562659194621,"quality":"auspicious"},{"name":"Roga","start":"21:21","end":"22:52","startHours":21.3562659194621,"endHours":22.865619702416822,"quality":"inauspicious"},{"name":"Udveg","start":"22:52","end":"00:22","startHours":22.865619702416822,"endHours":24.37497348537154,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"01:53","startHours":24.37497348537154,"endHours":25.884327268326267,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:24","startHours":25.884327268326267,"endHours":27.393681051280986,"quality":"auspicious"},{"name":"Amṛta","start":"03:24","end":"04:54","startHours":27.393681051280986,"endHours":28.903034834235708,"quality":"auspicious"},{"name":"Kāla","start":"04:54","end":"06:25","startHours":28.903034834235708,"endHours":30.41238861719043,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.412388617190429,"endHours":7.412388617190429,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.412388617190429,"endHours":8.41238861719043,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.41238861719043,"endHours":9.41238861719043,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.41238861719043,"endHours":10.41238861719043,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.41238861719043,"endHours":11.41238861719043,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.41238861719043,"endHours":12.41238861719043,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.41238861719043,"endHours":13.41238861719043,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.41238861719043,"endHours":14.41238861719043,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.41238861719043,"endHours":15.41238861719043,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.41238861719043,"endHours":16.41238861719043,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.41238861719043,"endHours":17.41238861719043,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.41238861719043,"endHours":18.41238861719043,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.41238861719043,"endHours":19.41238861719043,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.41238861719043,"endHours":20.41238861719043,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.41238861719043,"endHours":21.41238861719043,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.41238861719043,"endHours":22.41238861719043,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.41238861719043,"endHours":23.41238861719043,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.41238861719043,"endHours":24.41238861719043,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.41238861719043,"endHours":25.41238861719043,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.41238861719043,"endHours":26.41238861719043,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.41238861719043,"endHours":27.41238861719043,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.41238861719043,"endHours":28.41238861719043,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.41238861719043,"endHours":29.41238861719043,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.41238861719043,"endHours":30.41238861719043,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.4738545275375348,"eotMinutes":-5.940409122292583,"ayanamsa":23.4791}},"calendars":{"vikram_samvat":2030,"vikram_samvatsara":"Akṣaya","saka_samvat":1895,"saka_samvatsara":"Pramādī","bengali_samvat":1380,"malayalam_era":1149,"nanakshahi_year":504,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Phālguna","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Aṣṭamī · Vikram 2030 Akṣaya · Śaka 1895 Pramādī"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 March 27, 1973 CE · Perth, Australia · Vidhyamitra","description":"March 27, 1973 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 06:25, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1973-03-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1973-03-27","sa":"https://sa.vidhyamitra.com/city/perth/1973-03-27","hi":"https://hi.vidhyamitra.com/city/perth/1973-03-27","x-default":"https://vidhyamitra.com/city/perth/1973-03-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:45:52.750Z","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":"2026-06-01T23:45:52.750Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:45:52.750Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}