{"id":"vidhyamitra:city-day:perth:1990-05-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-05-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-05-16","date_display":"May 16, 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":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448027.770833,"kali_year":5092,"ahargana":1859562.2708,"sun":{"sidereal_longitude":31.2093,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":284.0885,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.8791,"elapsed_within_tithi_degrees":0.8791},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.0885,"elapsed_within_degrees":4.0885},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.2978},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":5,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448027.770833,"ahargana":1859562.2708,"kali_year":5092,"ayanamsa_lahiri":23.7185,"grahas":{"sun":{"sidereal_longitude":31.20879400000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":280.270894,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-0.5754},"mars":{"sidereal_longitude":325.11209400000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":14.35109399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":76.01009399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":349.871394,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":271.29919399999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":291.4421,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.4421,"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":5,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448027.770833,"kali_year":5092,"ahargana":1859562.2708,"sun":{"sidereal_longitude":31.2093,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":284.0885,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":252.8791,"elapsed_within_tithi_degrees":0.8791},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2,"moon_longitude":284.0885,"elapsed_within_degrees":4.0885},"yoga":{"number":24,"name":"Śukla","sum_longitude":315.2978},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.575,"elongation":107.121},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.575,"opposition_distance":72.879}},"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":"06:58","sunsetLocal":"17:27","solarNoonLocal":"12:13","dayLengthHours":10.488352324256871,"dayLengthDisplay":"10 Hours 29 Mins 18 Secs","nightLengthDisplay":"13 Hours 30 Mins 42 Secs","moonriseLocal":"21:56","moonsetLocal":"11:42","rahuKala":{"name":"Rāhu Kāla","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.524623124552317,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:17","end":"09:35","startHours":8.28044696242388,"endHours":9.59149100295599,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:54","end":"12:13","startHours":10.902535043488099,"endHours":12.213579084020207,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.416685130885043,"endHours":9.766296875026939,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.406417602069142,"endHours":7.686106997382659,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.863967339878311,"endHours":12.563190828162103,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:16","startHours":5.570955945324189,"endHours":6.270179433607981,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.095373561537033,"endHours":6.969402921891772,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.961637804729687,"endHours":14.660861293013479,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.257755246148644,"endHours":17.657755246148643,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:54","startHours":17.457755246148643,"endHours":17.894769926326013,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.207755246148643,"endHours":18.957755246148643,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86396733987831,"endHours":24.563190828162103,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:58","end":"08:17","startHours":6.969402921891772,"endHours":8.28044696242388,"quality":"auspicious"},{"name":"Amṛta","start":"08:17","end":"09:35","startHours":8.28044696242388,"endHours":9.59149100295599,"quality":"auspicious"},{"name":"Kāla","start":"09:35","end":"10:54","startHours":9.59149100295599,"endHours":10.902535043488099,"quality":"inauspicious"},{"name":"Śubha","start":"10:54","end":"12:13","startHours":10.902535043488099,"endHours":12.213579084020207,"quality":"auspicious"},{"name":"Roga","start":"12:13","end":"13:31","startHours":12.213579084020207,"endHours":13.524623124552317,"quality":"inauspicious"},{"name":"Udveg","start":"13:31","end":"14:50","startHours":13.524623124552317,"endHours":14.835667165084425,"quality":"inauspicious"},{"name":"Chala","start":"14:50","end":"16:09","startHours":14.835667165084425,"endHours":16.146711205616533,"quality":"neutral"},{"name":"Labha","start":"16:09","end":"17:27","startHours":16.146711205616533,"endHours":17.457755246148643,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:27","end":"19:09","startHours":17.457755246148643,"endHours":19.146711205616533,"quality":"inauspicious"},{"name":"Chala","start":"19:09","end":"20:50","startHours":19.146711205616533,"endHours":20.835667165084427,"quality":"neutral"},{"name":"Labha","start":"20:50","end":"22:31","startHours":20.835667165084427,"endHours":22.524623124552317,"quality":"auspicious"},{"name":"Amṛta","start":"22:31","end":"00:13","startHours":22.524623124552317,"endHours":24.213579084020207,"quality":"auspicious"},{"name":"Kāla","start":"00:13","end":"01:54","startHours":24.213579084020207,"endHours":25.9025350434881,"quality":"inauspicious"},{"name":"Śubha","start":"01:54","end":"03:35","startHours":25.9025350434881,"endHours":27.59149100295599,"quality":"auspicious"},{"name":"Roga","start":"03:35","end":"05:17","startHours":27.59149100295599,"endHours":29.28044696242388,"quality":"inauspicious"},{"name":"Udveg","start":"05:17","end":"06:58","startHours":29.28044696242388,"endHours":30.96940292189177,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.969402921891772,"endHours":7.969402921891772,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.969402921891772,"endHours":8.969402921891772,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.969402921891772,"endHours":9.969402921891772,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.969402921891772,"endHours":10.969402921891772,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.969402921891772,"endHours":11.969402921891772,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.969402921891772,"endHours":12.969402921891772,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.969402921891772,"endHours":13.969402921891772,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.969402921891772,"endHours":14.969402921891772,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.969402921891772,"endHours":15.969402921891772,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.969402921891772,"endHours":16.96940292189177,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.96940292189177,"endHours":17.96940292189177,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.96940292189177,"endHours":18.96940292189177,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.96940292189177,"endHours":19.96940292189177,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.96940292189177,"endHours":20.96940292189177,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.96940292189177,"endHours":21.96940292189177,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.96940292189177,"endHours":22.96940292189177,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.96940292189177,"endHours":23.96940292189177,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.96940292189177,"endHours":24.96940292189177,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.96940292189177,"endHours":25.96940292189177,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.96940292189177,"endHours":26.96940292189177,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.96940292189177,"endHours":27.96940292189177,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.96940292189177,"endHours":28.96940292189177,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.96940292189177,"endHours":29.96940292189177,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.96940292189177,"endHours":30.96940292189177,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.996694719477006,"eotMinutes":3.743254958787478,"ayanamsa":23.7185}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Saptamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 May 16, 1990 CE · Perth, Australia · Vidhyamitra","description":"May 16, 1990 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:58, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-05-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-05-16","sa":"https://sa.vidhyamitra.com/city/perth/1990-05-16","hi":"https://hi.vidhyamitra.com/city/perth/1990-05-16","x-default":"https://vidhyamitra.com/city/perth/1990-05-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:47:17.043Z","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":"2026-05-31T12:47:17.043Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:47:17.043Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}