{"id":"vidhyamitra:city-day:perth:1990-04-26:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-04-26","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-04-26","date_display":"April 26, 1990 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":1990,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448007.770833,"kali_year":5092,"ahargana":1859542.2708,"sun":{"sidereal_longitude":11.9473,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":22.7861,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8388,"elapsed_within_tithi_degrees":10.8388},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":22.7861,"elapsed_within_degrees":9.4528},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.7334},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1990,"month":4,"day":26,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448007.770833,"ahargana":1859542.2708,"kali_year":5092,"ayanamsa_lahiri":23.7177,"grahas":{"sun":{"sidereal_longitude":11.839359000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":24.158859000000007,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false,"latitude":4.4999},"mars":{"sidereal_longitude":310.21885900000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":23.822559000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":72.50995899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":327.4252590000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":271.32905900000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":292.5017,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.5017,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":4,"day":26,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448007.770833,"kali_year":5092,"ahargana":1859542.2708,"sun":{"sidereal_longitude":11.9473,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":22.7861,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.8388,"elapsed_within_tithi_degrees":10.8388},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3,"moon_longitude":22.7861,"elapsed_within_degrees":9.4528},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.7334},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.5,"elongation":10.839},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.5,"opposition_distance":169.161}},"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":"06:44","sunsetLocal":"17:44","solarNoonLocal":"12:14","dayLengthHours":10.999005873875099,"dayLengthDisplay":"10 Hours 59 Mins 56 Secs","nightLengthDisplay":"13 Hours 00 Mins 04 Secs","moonriseLocal":"07:45","moonsetLocal":"18:22","rahuKala":{"name":"Rāhu Kāla","start":"13:37","end":"14:59","startHours":13.614796057889532,"endHours":14.989671792123918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:44","end":"08:07","startHours":6.740417386717595,"endHours":8.115293120951982,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:29","end":"10:52","startHours":9.490168855186369,"endHours":10.865044589420757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:18","end":"09:40","startHours":9.306852090621785,"endHours":9.673485619750954,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:30","startHours":7.1987092981290575,"endHours":7.4920161214323935,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:36","startHours":11.873286794525976,"endHours":12.606553852784314,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:00","startHours":5.273883270200915,"endHours":6.007150328459255,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:44","startHours":5.82383356389467,"endHours":6.740417386717595,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.073087969300994,"endHours":14.806355027559334,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.539423260592695,"endHours":17.939423260592694,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:12","startHours":17.739423260592694,"endHours":18.197715172004155,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.489423260592694,"endHours":19.239423260592694,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:36","startHours":23.873286794525974,"endHours":24.606553852784316,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:44","end":"08:07","startHours":6.740417386717595,"endHours":8.115293120951982,"quality":"auspicious"},{"name":"Roga","start":"08:07","end":"09:29","startHours":8.115293120951982,"endHours":9.490168855186369,"quality":"inauspicious"},{"name":"Udveg","start":"09:29","end":"10:52","startHours":9.490168855186369,"endHours":10.865044589420757,"quality":"inauspicious"},{"name":"Chala","start":"10:52","end":"12:14","startHours":10.865044589420757,"endHours":12.239920323655145,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:37","startHours":12.239920323655145,"endHours":13.614796057889532,"quality":"auspicious"},{"name":"Amṛta","start":"13:37","end":"14:59","startHours":13.614796057889532,"endHours":14.989671792123918,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:22","startHours":14.989671792123918,"endHours":16.364547526358308,"quality":"inauspicious"},{"name":"Śubha","start":"16:22","end":"17:44","startHours":16.364547526358308,"endHours":17.739423260592694,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:44","end":"19:22","startHours":17.739423260592694,"endHours":19.364547526358308,"quality":"auspicious"},{"name":"Kāla","start":"19:22","end":"20:59","startHours":19.364547526358308,"endHours":20.98967179212392,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:37","startHours":20.98967179212392,"endHours":22.61479605788953,"quality":"auspicious"},{"name":"Roga","start":"22:37","end":"00:14","startHours":22.61479605788953,"endHours":24.239920323655145,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:52","startHours":24.239920323655145,"endHours":25.86504458942076,"quality":"inauspicious"},{"name":"Chala","start":"01:52","end":"03:29","startHours":25.86504458942076,"endHours":27.49016885518637,"quality":"neutral"},{"name":"Labha","start":"03:29","end":"05:07","startHours":27.49016885518637,"endHours":29.115293120951982,"quality":"auspicious"},{"name":"Amṛta","start":"05:07","end":"06:44","startHours":29.115293120951982,"endHours":30.740417386717596,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.740417386717595,"endHours":7.740417386717595,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.740417386717595,"endHours":8.740417386717596,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.740417386717596,"endHours":9.740417386717596,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.740417386717596,"endHours":10.740417386717596,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.740417386717596,"endHours":11.740417386717596,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.740417386717596,"endHours":12.740417386717596,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.740417386717596,"endHours":13.740417386717596,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.740417386717596,"endHours":14.740417386717596,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.740417386717596,"endHours":15.740417386717596,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.740417386717596,"endHours":16.740417386717596,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.740417386717596,"endHours":17.740417386717596,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.740417386717596,"endHours":18.740417386717596,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.740417386717596,"endHours":19.740417386717596,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.740417386717596,"endHours":20.740417386717596,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.740417386717596,"endHours":21.740417386717596,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.740417386717596,"endHours":22.740417386717596,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.740417386717596,"endHours":23.740417386717596,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.740417386717596,"endHours":24.740417386717596,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.740417386717596,"endHours":25.740417386717596,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.740417386717596,"endHours":26.740417386717596,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.740417386717596,"endHours":27.740417386717596,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.740417386717596,"endHours":28.740417386717596,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.740417386717596,"endHours":29.740417386717596,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.740417386717596,"endHours":30.740417386717596,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Kāṇa","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":13.372840712504411,"eotMinutes":2.162780580691212,"ayanamsa":23.7177}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","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":"Vaiśākha Śukla Pratipada · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 26, 1990 CE · Perth, Australia · Vidhyamitra","description":"April 26, 1990 CE for Perth, Australia: Śukla Pratipada, sūryodaya 06:44, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-04-26","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-04-26","sa":"https://sa.vidhyamitra.com/city/perth/1990-04-26","hi":"https://hi.vidhyamitra.com/city/perth/1990-04-26","x-default":"https://vidhyamitra.com/city/perth/1990-04-26"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:19:43.252Z","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":"2026-06-01T12:19:43.252Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T12:19:43.252Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}