{"id":"vidhyamitra:city-day:perth:1990-11-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1990-11-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-11-01","date_display":"November 1, 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":11,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448196.770833,"kali_year":5092,"ahargana":1859731.2708,"sun":{"sidereal_longitude":193.965,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":348.5192,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.5542,"elapsed_within_tithi_degrees":10.5542},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.5192,"elapsed_within_degrees":1.8526},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.4843},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":11,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448196.770833,"ahargana":1859731.2708,"kali_year":5092,"ayanamsa_lahiri":23.7249,"grahas":{"sun":{"sidereal_longitude":194.62723700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":348.728437,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":4.1113},"mars":{"sidereal_longitude":50.03263700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":200.85753699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":108.46443699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":194.61893699999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":266.027337,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":282.4876,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.4876,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":11,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448196.770833,"kali_year":5092,"ahargana":1859731.2708,"sun":{"sidereal_longitude":193.965,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":348.5192,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":154.5542,"elapsed_within_tithi_degrees":10.5542},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":348.5192,"elapsed_within_degrees":1.8526},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":182.4843},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.111,"elongation":154.554},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.111,"opposition_distance":25.446}},"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":"05:19","sunsetLocal":"18:41","solarNoonLocal":"12:00","dayLengthHours":13.355528595003356,"dayLengthDisplay":"13 Hours 21 Mins 20 Secs","nightLengthDisplay":"10 Hours 38 Mins 40 Secs","moonriseLocal":"16:26","moonsetLocal":"04:07","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"15:20","startHours":13.671370525753868,"endHours":15.340811600129285,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:19","end":"07:00","startHours":5.324165153876769,"endHours":6.9936062282521885,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:40","end":"10:20","startHours":8.663047302627607,"endHours":10.332488377003028,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:26","end":"08:53","startHours":8.440455159377553,"endHours":8.885639445877665,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:53","end":"06:14","startHours":5.880645512001909,"endHours":6.2367929412019985,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:33","end":"12:27","startHours":11.556745164878336,"endHours":12.44711373787856,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:33","end":"04:26","startHours":3.5434280078763214,"endHours":4.433796580876545,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:13","end":"05:19","startHours":4.211204437626489,"endHours":5.324165153876769,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:07","startHours":14.227850883879007,"endHours":15.118219456879231,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.479693748880127,"endHours":18.879693748880126,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:14","startHours":18.679693748880126,"endHours":19.236174107005265,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.429693748880126,"endHours":20.179693748880126,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:33","end":"00:27","startHours":23.556745164878336,"endHours":24.44711373787856,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:19","end":"07:00","startHours":5.324165153876769,"endHours":6.9936062282521885,"quality":"auspicious"},{"name":"Roga","start":"07:00","end":"08:40","startHours":6.9936062282521885,"endHours":8.663047302627607,"quality":"inauspicious"},{"name":"Udveg","start":"08:40","end":"10:20","startHours":8.663047302627607,"endHours":10.332488377003028,"quality":"inauspicious"},{"name":"Chala","start":"10:20","end":"12:00","startHours":10.332488377003028,"endHours":12.001929451378448,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:40","startHours":12.001929451378448,"endHours":13.671370525753868,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"15:20","startHours":13.671370525753868,"endHours":15.340811600129285,"quality":"auspicious"},{"name":"Kāla","start":"15:20","end":"17:01","startHours":15.340811600129285,"endHours":17.010252674504706,"quality":"inauspicious"},{"name":"Śubha","start":"17:01","end":"18:41","startHours":17.010252674504706,"endHours":18.679693748880126,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:41","end":"20:01","startHours":18.679693748880126,"endHours":20.010252674504706,"quality":"auspicious"},{"name":"Kāla","start":"20:01","end":"21:20","startHours":20.010252674504706,"endHours":21.340811600129285,"quality":"inauspicious"},{"name":"Śubha","start":"21:20","end":"22:40","startHours":21.340811600129285,"endHours":22.67137052575387,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:00","startHours":22.67137052575387,"endHours":24.001929451378448,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:20","startHours":24.001929451378448,"endHours":25.332488377003028,"quality":"inauspicious"},{"name":"Chala","start":"01:20","end":"02:40","startHours":25.332488377003028,"endHours":26.66304730262761,"quality":"neutral"},{"name":"Labha","start":"02:40","end":"04:00","startHours":26.66304730262761,"endHours":27.99360622825219,"quality":"auspicious"},{"name":"Amṛta","start":"04:00","end":"05:19","startHours":27.99360622825219,"endHours":29.32416515387677,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:19","end":"06:19","startHours":5.324165153876769,"endHours":6.324165153876769,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:19","end":"07:19","startHours":6.324165153876769,"endHours":7.324165153876769,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:19","end":"08:19","startHours":7.324165153876769,"endHours":8.32416515387677,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:19","end":"09:19","startHours":8.32416515387677,"endHours":9.32416515387677,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:19","end":"10:19","startHours":9.32416515387677,"endHours":10.32416515387677,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:19","end":"11:19","startHours":10.32416515387677,"endHours":11.32416515387677,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:19","end":"12:19","startHours":11.32416515387677,"endHours":12.32416515387677,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:19","end":"13:19","startHours":12.32416515387677,"endHours":13.32416515387677,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:19","end":"14:19","startHours":13.32416515387677,"endHours":14.32416515387677,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:19","end":"15:19","startHours":14.32416515387677,"endHours":15.32416515387677,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:19","end":"16:19","startHours":15.32416515387677,"endHours":16.32416515387677,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:19","end":"17:19","startHours":16.32416515387677,"endHours":17.32416515387677,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:19","end":"18:19","startHours":17.32416515387677,"endHours":18.32416515387677,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:19","end":"19:19","startHours":18.32416515387677,"endHours":19.32416515387677,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:19","end":"20:19","startHours":19.32416515387677,"endHours":20.32416515387677,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:19","end":"21:19","startHours":20.32416515387677,"endHours":21.32416515387677,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:19","end":"22:19","startHours":21.32416515387677,"endHours":22.32416515387677,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:19","end":"23:19","startHours":22.32416515387677,"endHours":23.32416515387677,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:19","end":"00:19","startHours":23.32416515387677,"endHours":24.32416515387677,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:19","end":"01:19","startHours":24.32416515387677,"endHours":25.32416515387677,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:19","end":"02:19","startHours":25.32416515387677,"endHours":26.32416515387677,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:19","end":"03:19","startHours":26.32416515387677,"endHours":27.32416515387677,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:19","end":"04:19","startHours":27.32416515387677,"endHours":28.32416515387677,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:19","end":"05:19","startHours":28.32416515387677,"endHours":29.32416515387677,"planetary_lord":"Moon"}],"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","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-14.287651634977221,"eotMinutes":16.442232917293087,"ayanamsa":23.7249}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Trayodaśī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 November 1, 1990 CE · Perth, Australia · Vidhyamitra","description":"November 1, 1990 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 05:19, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1990-11-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1990-11-01","sa":"https://sa.vidhyamitra.com/city/perth/1990-11-01","hi":"https://hi.vidhyamitra.com/city/perth/1990-11-01","x-default":"https://vidhyamitra.com/city/perth/1990-11-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T09:23:31.905Z","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":"2026-05-17T09:23:31.905Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T09:23:31.905Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}