{"id":"vidhyamitra:city-day:perth:1990-04-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-04-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-04-08","date_display":"April 8, 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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447989.770833,"kali_year":5091,"ahargana":1859524.2708,"sun":{"sidereal_longitude":354.4078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":151.0107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.6028,"elapsed_within_tithi_degrees":0.6028},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.0107,"elapsed_within_degrees":4.344},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.4185},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447989.770833,"ahargana":1859524.2708,"kali_year":5091,"ayanamsa_lahiri":23.717,"grahas":{"sun":{"sidereal_longitude":354.233646,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":150.810946,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":-2.7411},"mars":{"sidereal_longitude":296.77474600000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":12.452045999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":69.962246,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":308.129946,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":270.8033459999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":293.4555,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":113.4555,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":4,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447989.770833,"kali_year":5091,"ahargana":1859524.2708,"sun":{"sidereal_longitude":354.4078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":151.0107,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.6028,"elapsed_within_tithi_degrees":0.6028},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.0107,"elapsed_within_degrees":4.344},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":145.4185},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.741,"elongation":156.603},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.741,"opposition_distance":23.397}},"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":"18:05","solarNoonLocal":"12:19","dayLengthHours":11.543145941855546,"dayLengthDisplay":"11 Hours 32 Mins 35 Secs","nightLengthDisplay":"12 Hours 27 Mins 25 Secs","moonriseLocal":"16:48","moonsetLocal":"04:42","rahuKala":{"name":"Rāhu Kāla","start":"16:38","end":"18:05","startHours":16.641147237806997,"endHours":18.08404048053894,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:45","startHours":12.312467509611167,"endHours":13.755360752343108,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:12","end":"16:38","startHours":15.198253995075053,"endHours":16.641147237806997,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.234295258449688,"endHours":9.619066789844872,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:20","startHours":7.021858952927374,"endHours":7.329676178043522,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:42","startHours":11.927695978215981,"endHours":12.69723904100635,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:00","end":"05:46","startHours":5.001808413102655,"endHours":5.771351475893024,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:32","startHours":5.5789657101954315,"endHours":6.540894538683394,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:00","startHours":14.23632516658709,"endHours":15.005868229377459,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.88404048053894,"endHours":18.284040480538938,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:34","startHours":18.08404048053894,"endHours":18.56500489478292,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.83404048053894,"endHours":19.58404048053894,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:42","startHours":23.927695978215983,"endHours":24.697239041006352,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:32","end":"07:59","startHours":6.540894538683394,"endHours":7.983787781415337,"quality":"inauspicious"},{"name":"Chala","start":"07:59","end":"09:26","startHours":7.983787781415337,"endHours":9.42668102414728,"quality":"neutral"},{"name":"Labha","start":"09:26","end":"10:52","startHours":9.42668102414728,"endHours":10.869574266879223,"quality":"auspicious"},{"name":"Amṛta","start":"10:52","end":"12:19","startHours":10.869574266879223,"endHours":12.312467509611167,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:45","startHours":12.312467509611167,"endHours":13.755360752343108,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"15:12","startHours":13.755360752343108,"endHours":15.198253995075053,"quality":"auspicious"},{"name":"Roga","start":"15:12","end":"16:38","startHours":15.198253995075053,"endHours":16.641147237806997,"quality":"inauspicious"},{"name":"Udveg","start":"16:38","end":"18:05","startHours":16.641147237806997,"endHours":18.08404048053894,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:05","end":"19:38","startHours":18.08404048053894,"endHours":19.641147237806994,"quality":"auspicious"},{"name":"Roga","start":"19:38","end":"21:12","startHours":19.641147237806994,"endHours":21.198253995075053,"quality":"inauspicious"},{"name":"Udveg","start":"21:12","end":"22:45","startHours":21.198253995075053,"endHours":22.75536075234311,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:19","startHours":22.75536075234311,"endHours":24.312467509611167,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"01:52","startHours":24.312467509611167,"endHours":25.869574266879223,"quality":"auspicious"},{"name":"Amṛta","start":"01:52","end":"03:26","startHours":25.869574266879223,"endHours":27.42668102414728,"quality":"auspicious"},{"name":"Kāla","start":"03:26","end":"04:59","startHours":27.42668102414728,"endHours":28.983787781415337,"quality":"inauspicious"},{"name":"Śubha","start":"04:59","end":"06:32","startHours":28.983787781415337,"endHours":30.540894538683393,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:32","end":"07:32","startHours":6.540894538683394,"endHours":7.540894538683394,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:32","end":"08:32","startHours":7.540894538683394,"endHours":8.540894538683393,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:32","end":"09:32","startHours":8.540894538683393,"endHours":9.540894538683393,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:32","end":"10:32","startHours":9.540894538683393,"endHours":10.540894538683393,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:32","end":"11:32","startHours":10.540894538683393,"endHours":11.540894538683393,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:32","end":"12:32","startHours":11.540894538683393,"endHours":12.540894538683393,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:32","end":"13:32","startHours":12.540894538683393,"endHours":13.540894538683393,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:32","end":"14:32","startHours":13.540894538683393,"endHours":14.540894538683393,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:32","end":"15:32","startHours":14.540894538683393,"endHours":15.540894538683393,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:32","end":"16:32","startHours":15.540894538683393,"endHours":16.540894538683393,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:32","end":"17:32","startHours":16.540894538683393,"endHours":17.540894538683393,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:32","end":"18:32","startHours":17.540894538683393,"endHours":18.540894538683393,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:32","end":"19:32","startHours":18.540894538683393,"endHours":19.540894538683393,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:32","end":"20:32","startHours":19.540894538683393,"endHours":20.540894538683393,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:32","end":"21:32","startHours":20.540894538683393,"endHours":21.540894538683393,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:32","end":"22:32","startHours":21.540894538683393,"endHours":22.540894538683393,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:32","end":"23:32","startHours":22.540894538683393,"endHours":23.540894538683393,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:32","end":"00:32","startHours":23.540894538683393,"endHours":24.540894538683393,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:32","end":"01:32","startHours":24.540894538683393,"endHours":25.540894538683393,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:32","end":"02:32","startHours":25.540894538683393,"endHours":26.540894538683393,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:32","end":"03:32","startHours":26.540894538683393,"endHours":27.540894538683393,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:32","end":"04:32","startHours":27.540894538683393,"endHours":28.540894538683393,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:32","end":"05:32","startHours":28.540894538683393,"endHours":29.540894538683393,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:32","end":"06:32","startHours":29.540894538683393,"endHours":30.540894538683393,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","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":7.041037315584761,"eotMinutes":-2.1900505766699547,"ayanamsa":23.717}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"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":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Caturdaśī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 8, 1990 CE · Perth, Australia · Vidhyamitra","description":"April 8, 1990 CE for Perth, Australia: Śukla Caturdaśī, sūryodaya 06:32, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-04-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-04-08","sa":"https://sa.vidhyamitra.com/city/perth/1990-04-08","hi":"https://hi.vidhyamitra.com/city/perth/1990-04-08","x-default":"https://vidhyamitra.com/city/perth/1990-04-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:07:25.946Z","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":"2026-05-31T06:07:25.946Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:07:25.946Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}