{"id":"vidhyamitra:city-day:perth:2012-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2012-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-04-07","date_display":"April 7, 2012 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":2012,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456024.770833,"kali_year":5113,"ahargana":1867559.2708,"sun":{"sidereal_longitude":353.7286,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":175.6685,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.9399,"elapsed_within_tithi_degrees":1.9399},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.6685,"elapsed_within_degrees":2.3352},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.3971},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2012,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456024.770833,"ahargana":1867559.2708,"kali_year":5113,"ayanamsa_lahiri":24.0243,"grahas":{"sun":{"sidereal_longitude":353.60375,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":176.93394999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.5473},"mars":{"sidereal_longitude":129.76874999999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":330.03715,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":20.42874999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":38.96564999999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":182.57885,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":227.7225,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":47.7225,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2012,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456024.770833,"kali_year":5113,"ahargana":1867559.2708,"sun":{"sidereal_longitude":353.7286,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":175.6685,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.9399,"elapsed_within_tithi_degrees":1.9399},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":175.6685,"elapsed_within_degrees":2.3352},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":169.3971},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.547,"elongation":178.06},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.547,"opposition_distance":1.94}},"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":"06:32","sunsetLocal":"18:06","solarNoonLocal":"12:19","dayLengthHours":11.553517936671057,"dayLengthDisplay":"11 Hours 33 Mins 13 Secs","nightLengthDisplay":"12 Hours 26 Mins 47 Secs","moonriseLocal":"18:09","moonsetLocal":"06:56","rahuKala":{"name":"Rāhu Kāla","start":"09:26","end":"10:52","startHours":9.429054058246116,"endHours":10.873243800329998,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:46","end":"15:12","startHours":13.761623284497762,"endHours":15.205813026581644,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:32","end":"07:59","startHours":6.540674574078353,"endHours":7.984864316162235,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.236495425968267,"endHours":9.621612690523968,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.022071154772981,"endHours":7.330164966417542,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:42","startHours":11.93231627785818,"endHours":12.702550806969581,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:46","startHours":5.000205515855545,"endHours":5.770440044966949,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:32","startHours":5.5778814126890985,"endHours":6.540674574078353,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"15:01","startHours":14.243019865192391,"endHours":15.013254394303795,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.89419251074941,"endHours":18.294192510749408,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.09419251074941,"endHours":18.575589091444037,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.84419251074941,"endHours":19.59419251074941,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:42","startHours":23.932316277858178,"endHours":24.702550806969583,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:32","end":"07:59","startHours":6.540674574078353,"endHours":7.984864316162235,"quality":"inauspicious"},{"name":"Śubha","start":"07:59","end":"09:26","startHours":7.984864316162235,"endHours":9.429054058246116,"quality":"auspicious"},{"name":"Roga","start":"09:26","end":"10:52","startHours":9.429054058246116,"endHours":10.873243800329998,"quality":"inauspicious"},{"name":"Udveg","start":"10:52","end":"12:19","startHours":10.873243800329998,"endHours":12.31743354241388,"quality":"inauspicious"},{"name":"Chala","start":"12:19","end":"13:46","startHours":12.31743354241388,"endHours":13.761623284497762,"quality":"neutral"},{"name":"Labha","start":"13:46","end":"15:12","startHours":13.761623284497762,"endHours":15.205813026581644,"quality":"auspicious"},{"name":"Amṛta","start":"15:12","end":"16:39","startHours":15.205813026581644,"endHours":16.650002768665527,"quality":"auspicious"},{"name":"Kāla","start":"16:39","end":"18:06","startHours":16.650002768665527,"endHours":18.09419251074941,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:06","end":"19:39","startHours":18.09419251074941,"endHours":19.650002768665527,"quality":"auspicious"},{"name":"Amṛta","start":"19:39","end":"21:12","startHours":19.650002768665527,"endHours":21.205813026581644,"quality":"auspicious"},{"name":"Kāla","start":"21:12","end":"22:46","startHours":21.205813026581644,"endHours":22.761623284497762,"quality":"inauspicious"},{"name":"Śubha","start":"22:46","end":"00:19","startHours":22.761623284497762,"endHours":24.31743354241388,"quality":"auspicious"},{"name":"Roga","start":"00:19","end":"01:52","startHours":24.31743354241388,"endHours":25.87324380033,"quality":"inauspicious"},{"name":"Udveg","start":"01:52","end":"03:26","startHours":25.87324380033,"endHours":27.429054058246116,"quality":"inauspicious"},{"name":"Chala","start":"03:26","end":"04:59","startHours":27.429054058246116,"endHours":28.984864316162234,"quality":"neutral"},{"name":"Labha","start":"04:59","end":"06:32","startHours":28.984864316162234,"endHours":30.540674574078352,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:32","end":"07:32","startHours":6.540674574078353,"endHours":7.540674574078353,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:32","end":"08:32","startHours":7.540674574078353,"endHours":8.540674574078352,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:32","end":"09:32","startHours":8.540674574078352,"endHours":9.540674574078352,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:32","end":"10:32","startHours":9.540674574078352,"endHours":10.540674574078352,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:32","end":"11:32","startHours":10.540674574078352,"endHours":11.540674574078352,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:32","end":"12:32","startHours":11.540674574078352,"endHours":12.540674574078352,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:32","end":"13:32","startHours":12.540674574078352,"endHours":13.540674574078352,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:32","end":"14:32","startHours":13.540674574078352,"endHours":14.540674574078352,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:32","end":"15:32","startHours":14.540674574078352,"endHours":15.540674574078352,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:32","end":"16:32","startHours":15.540674574078352,"endHours":16.540674574078352,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:32","end":"17:32","startHours":16.540674574078352,"endHours":17.540674574078352,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:32","end":"18:32","startHours":17.540674574078352,"endHours":18.540674574078352,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:32","end":"19:32","startHours":18.540674574078352,"endHours":19.540674574078352,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:32","end":"20:32","startHours":19.540674574078352,"endHours":20.540674574078352,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:32","end":"21:32","startHours":20.540674574078352,"endHours":21.540674574078352,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:32","end":"22:32","startHours":21.540674574078352,"endHours":22.540674574078352,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:32","end":"23:32","startHours":22.540674574078352,"endHours":23.540674574078352,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:32","end":"00:32","startHours":23.540674574078352,"endHours":24.540674574078352,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:32","end":"01:32","startHours":24.540674574078352,"endHours":25.540674574078352,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:32","end":"02:32","startHours":25.540674574078352,"endHours":26.540674574078352,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:32","end":"03:32","startHours":26.540674574078352,"endHours":27.540674574078352,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:32","end":"04:32","startHours":27.540674574078352,"endHours":28.540674574078352,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:32","end":"05:32","startHours":28.540674574078352,"endHours":29.540674574078352,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:32","end":"06:32","startHours":29.540674574078352,"endHours":30.540674574078352,"planetary_lord":"Mercury"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":6.917953302576794,"eotMinutes":-2.4880125448329173,"ayanamsa":24.0243}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Pratipada · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 April 7, 2012 CE · Perth, Australia · Vidhyamitra","description":"April 7, 2012 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 06:32, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2012-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2012-04-07","sa":"https://sa.vidhyamitra.com/city/perth/2012-04-07","hi":"https://hi.vidhyamitra.com/city/perth/2012-04-07","x-default":"https://vidhyamitra.com/city/perth/2012-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T06:20:15.326Z","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":"2026-05-16T06:20:15.326Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T06:20:15.326Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}