{"id":"vidhyamitra:city-day:perth:2184-04-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2184-04-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2184-04-20","date_display":"April 20, 2184 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":2184,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518859.770833,"kali_year":5286,"ahargana":1930394.2708,"sun":{"sidereal_longitude":3.9844,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.9389,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.9545,"elapsed_within_tithi_degrees":5.9545},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9389,"elapsed_within_degrees":11.2722},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.9233},"karana":{"half_tithi_index":18,"name":"Taitila"},"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":2184,"month":4,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2518859.770833,"ahargana":1930394.2708,"kali_year":5286,"ayanamsa_lahiri":26.4275,"grahas":{"sun":{"sidereal_longitude":4.29609099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":120.887991,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-1.5733},"mars":{"sidereal_longitude":341.41279099999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":340.033091,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":202.642791,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":1.6684910000000173,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":117.04959099999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":138.4218,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":318.4218,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2184,"month":4,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2518859.770833,"kali_year":5286,"ahargana":1930394.2708,"sun":{"sidereal_longitude":3.9844,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":117.9389,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":113.9545,"elapsed_within_tithi_degrees":5.9545},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4,"moon_longitude":117.9389,"elapsed_within_degrees":11.2722},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":121.9233},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.573,"elongation":113.955},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.573,"opposition_distance":66.045}},"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":"06:41","sunsetLocal":"17:50","solarNoonLocal":"12:16","dayLengthHours":11.143113627714499,"dayLengthDisplay":"11 Hours 08 Mins 35 Secs","nightLengthDisplay":"12 Hours 51 Mins 25 Secs","moonriseLocal":"14:31","moonsetLocal":"01:33","rahuKala":{"name":"Rāhu Kāla","start":"15:03","end":"16:26","startHours":15.045615682501275,"endHours":16.43850488596559,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:28","end":"10:52","startHours":9.474058868644025,"endHours":10.86694807210834,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:16","end":"13:39","startHours":12.25983727557265,"endHours":13.652726479036964,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:40","startHours":9.288340308182118,"endHours":9.659777429105935,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.1525768628701725,"endHours":7.449726559609226,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:38","startHours":11.888400154648833,"endHours":12.631274396496467,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:12","end":"05:57","startHours":5.202531978020135,"endHours":5.945406219867769,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:46","end":"06:41","startHours":5.75968765940586,"endHours":6.688280461715402,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:52","startHours":14.117022880191733,"endHours":14.859897122039367,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.6313940894299,"endHours":18.0313940894299,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:18","startHours":17.8313940894299,"endHours":18.29569049058467,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.5813940894299,"endHours":19.3313940894299,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:38","startHours":23.888400154648835,"endHours":24.631274396496465,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:41","end":"08:05","startHours":6.688280461715402,"endHours":8.081169665179715,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:28","startHours":8.081169665179715,"endHours":9.474058868644025,"quality":"inauspicious"},{"name":"Chala","start":"09:28","end":"10:52","startHours":9.474058868644025,"endHours":10.86694807210834,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:16","startHours":10.86694807210834,"endHours":12.25983727557265,"quality":"auspicious"},{"name":"Amṛta","start":"12:16","end":"13:39","startHours":12.25983727557265,"endHours":13.652726479036964,"quality":"auspicious"},{"name":"Kāla","start":"13:39","end":"15:03","startHours":13.652726479036964,"endHours":15.045615682501275,"quality":"inauspicious"},{"name":"Śubha","start":"15:03","end":"16:26","startHours":15.045615682501275,"endHours":16.43850488596559,"quality":"auspicious"},{"name":"Roga","start":"16:26","end":"17:50","startHours":16.43850488596559,"endHours":17.8313940894299,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:50","end":"19:26","startHours":17.8313940894299,"endHours":19.438504885965585,"quality":"inauspicious"},{"name":"Śubha","start":"19:26","end":"21:03","startHours":19.438504885965585,"endHours":21.045615682501275,"quality":"auspicious"},{"name":"Roga","start":"21:03","end":"22:39","startHours":21.045615682501275,"endHours":22.652726479036964,"quality":"inauspicious"},{"name":"Udveg","start":"22:39","end":"00:16","startHours":22.652726479036964,"endHours":24.25983727557265,"quality":"inauspicious"},{"name":"Chala","start":"00:16","end":"01:52","startHours":24.25983727557265,"endHours":25.866948072108336,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:28","startHours":25.866948072108336,"endHours":27.474058868644025,"quality":"auspicious"},{"name":"Amṛta","start":"03:28","end":"05:05","startHours":27.474058868644025,"endHours":29.081169665179715,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:41","startHours":29.081169665179715,"endHours":30.6882804617154,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.688280461715402,"endHours":7.688280461715402,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.688280461715402,"endHours":8.6882804617154,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.6882804617154,"endHours":9.6882804617154,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.6882804617154,"endHours":10.6882804617154,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.6882804617154,"endHours":11.6882804617154,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.6882804617154,"endHours":12.6882804617154,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.6882804617154,"endHours":13.6882804617154,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.6882804617154,"endHours":14.6882804617154,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.6882804617154,"endHours":15.6882804617154,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.6882804617154,"endHours":16.6882804617154,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.6882804617154,"endHours":17.6882804617154,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.6882804617154,"endHours":18.6882804617154,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.6882804617154,"endHours":19.6882804617154,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.6882804617154,"endHours":20.6882804617154,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.6882804617154,"endHours":21.6882804617154,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.6882804617154,"endHours":22.6882804617154,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.6882804617154,"endHours":23.6882804617154,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.6882804617154,"endHours":24.6882804617154,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.6882804617154,"endHours":25.6882804617154,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.6882804617154,"endHours":26.6882804617154,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.6882804617154,"endHours":27.6882804617154,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.6882804617154,"endHours":28.6882804617154,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.6882804617154,"endHours":29.6882804617154,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.6882804617154,"endHours":30.6882804617154,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.724165734392129,"eotMinutes":0.9677634656409275,"ayanamsa":26.4275}},"calendars":{"vikram_samvat":2241,"vikram_samvatsara":"Hemalambī","saka_samvat":2106,"saka_samvatsara":"Tāraṇa","bengali_samvat":1591,"malayalam_era":1360,"nanakshahi_year":715,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Daśamī · Vikram 2241 Hemalambī · Śaka 2106 Tāraṇa"},"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":[]},"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 20, 2184 CE · Perth, Australia · Vidhyamitra","description":"April 20, 2184 CE for Perth, Australia: Śukla Daśamī, sūryodaya 06:41, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2184-04-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2184-04-20","sa":"https://sa.vidhyamitra.com/city/perth/2184-04-20","hi":"https://hi.vidhyamitra.com/city/perth/2184-04-20","x-default":"https://vidhyamitra.com/city/perth/2184-04-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T07:53:42.415Z","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":"2026-06-01T07:53:42.415Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T07:53:42.415Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}