{"id":"vidhyamitra:city-day:perth:2033-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2033-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2033-10-20","date_display":"October 20, 2033 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":2033,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463890.770833,"kali_year":5135,"ahargana":1875425.2708,"sun":{"sidereal_longitude":181.8344,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":144.986,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.1516,"elapsed_within_tithi_degrees":11.1516},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.986,"elapsed_within_degrees":11.6527},"yoga":{"number":25,"name":"Brahma","sum_longitude":326.8204},"karana":{"half_tithi_index":53,"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":2033,"month":10,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463890.770833,"ahargana":1875425.2708,"kali_year":5135,"ayanamsa_lahiri":24.3252,"grahas":{"sun":{"sidereal_longitude":182.640311,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":147.395311,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-1.9681},"mars":{"sidereal_longitude":276.54281100000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":199.10611100000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":302.66191100000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":163.55961100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":86.55411100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":170.944,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":350.944,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2033,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463890.770833,"kali_year":5135,"ahargana":1875425.2708,"sun":{"sidereal_longitude":181.8344,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":144.986,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.1516,"elapsed_within_tithi_degrees":11.1516},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":144.986,"elapsed_within_degrees":11.6527},"yoga":{"number":25,"name":"Brahma","sum_longitude":326.8204},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.968,"elongation":36.848},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.968,"opposition_distance":143.152}},"eclipse_window_40days":[{"offset_days":3,"type":"solar","occurs":true,"moon_latitude":0.921,"elongation":2.213}]},"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":"05:31","sunsetLocal":"18:31","solarNoonLocal":"12:01","dayLengthHours":13.009626366572562,"dayLengthDisplay":"13 Hours 00 Mins 35 Secs","nightLengthDisplay":"10 Hours 59 Mins 25 Secs","moonriseLocal":"03:45","moonsetLocal":"15:34","rahuKala":{"name":"Rāhu Kāla","start":"13:38","end":"15:16","startHours":13.64055544175105,"endHours":15.26675873757262,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:31","end":"07:08","startHours":5.509538962643199,"endHours":7.135742258464769,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:46","end":"10:23","startHours":8.761945554286338,"endHours":10.38814885010791,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.545118448176797,"endHours":8.978772660395883,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:03","end":"06:24","startHours":6.051606727917056,"endHours":6.3985300976923245,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:27","startHours":11.580697933710393,"endHours":12.448006358148564,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:39","startHours":3.7749221137668574,"endHours":4.642230538205029,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:26","end":"05:31","startHours":4.425403432095486,"endHours":5.509538962643199,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"15:03","startHours":14.182623207024907,"endHours":15.049931631463078,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31916532921576,"endHours":18.71916532921576,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"19:04","startHours":18.51916532921576,"endHours":19.061233094489616,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26916532921576,"endHours":20.01916532921576,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:27","startHours":23.580697933710393,"endHours":24.448006358148564,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:31","end":"07:08","startHours":5.509538962643199,"endHours":7.135742258464769,"quality":"auspicious"},{"name":"Roga","start":"07:08","end":"08:46","startHours":7.135742258464769,"endHours":8.761945554286338,"quality":"inauspicious"},{"name":"Udveg","start":"08:46","end":"10:23","startHours":8.761945554286338,"endHours":10.38814885010791,"quality":"inauspicious"},{"name":"Chala","start":"10:23","end":"12:01","startHours":10.38814885010791,"endHours":12.014352145929479,"quality":"neutral"},{"name":"Labha","start":"12:01","end":"13:38","startHours":12.014352145929479,"endHours":13.64055544175105,"quality":"auspicious"},{"name":"Amṛta","start":"13:38","end":"15:16","startHours":13.64055544175105,"endHours":15.26675873757262,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:54","startHours":15.26675873757262,"endHours":16.89296203339419,"quality":"inauspicious"},{"name":"Śubha","start":"16:54","end":"18:31","startHours":16.89296203339419,"endHours":18.51916532921576,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"19:54","startHours":18.51916532921576,"endHours":19.89296203339419,"quality":"auspicious"},{"name":"Kāla","start":"19:54","end":"21:16","startHours":19.89296203339419,"endHours":21.26675873757262,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:38","startHours":21.26675873757262,"endHours":22.640555441751047,"quality":"auspicious"},{"name":"Roga","start":"22:38","end":"00:01","startHours":22.640555441751047,"endHours":24.01435214592948,"quality":"inauspicious"},{"name":"Udveg","start":"00:01","end":"01:23","startHours":24.01435214592948,"endHours":25.38814885010791,"quality":"inauspicious"},{"name":"Chala","start":"01:23","end":"02:46","startHours":25.38814885010791,"endHours":26.76194555428634,"quality":"neutral"},{"name":"Labha","start":"02:46","end":"04:08","startHours":26.76194555428634,"endHours":28.135742258464767,"quality":"auspicious"},{"name":"Amṛta","start":"04:08","end":"05:31","startHours":28.135742258464767,"endHours":29.509538962643198,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.509538962643199,"endHours":6.509538962643199,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.509538962643199,"endHours":7.509538962643199,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.509538962643199,"endHours":8.509538962643198,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.509538962643198,"endHours":9.509538962643198,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.509538962643198,"endHours":10.509538962643198,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.509538962643198,"endHours":11.509538962643198,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.509538962643198,"endHours":12.509538962643198,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.509538962643198,"endHours":13.509538962643198,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.509538962643198,"endHours":14.509538962643198,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.509538962643198,"endHours":15.509538962643198,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.509538962643198,"endHours":16.509538962643198,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.509538962643198,"endHours":17.509538962643198,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.509538962643198,"endHours":18.509538962643198,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.509538962643198,"endHours":19.509538962643198,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.509538962643198,"endHours":20.509538962643198,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.509538962643198,"endHours":21.509538962643198,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.509538962643198,"endHours":22.509538962643198,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.509538962643198,"endHours":23.509538962643198,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.509538962643198,"endHours":24.509538962643198,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.509538962643198,"endHours":25.509538962643198,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.509538962643198,"endHours":26.509538962643198,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.509538962643198,"endHours":27.509538962643198,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.509538962643198,"endHours":28.509538962643198,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.509538962643198,"endHours":29.509538962643198,"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-10.39034543038102,"eotMinutes":15.696871244231174,"ayanamsa":24.3252}},"calendars":{"vikram_samvat":2090,"vikram_samvatsara":"Akṣaya","saka_samvat":1955,"saka_samvatsara":"Pramādī","bengali_samvat":1440,"malayalam_era":1209,"nanakshahi_year":564,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Dvādaśī · Vikram 2090 Akṣaya · Śaka 1955 Pramādī"},"festivals":[{"id":"govatsa-dwadashi","name":"Govatsa Dvādaśī (Vaccha Bāras)","name_sanskrit":"गोवत्स द्वादशी","tradition":"Vaishnava","associated_deity":"Krishna + Gomātā","significance":"Worship of cow + calf; pre-Diwali day.","vrata":true,"detection":{"tithi_number":27,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":4},{"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}],"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 October 20, 2033 CE · Perth, Australia · Vidhyamitra","description":"October 20, 2033 CE for Perth, Australia: Kṛṣṇa Dvādaśī, sūryodaya 05:31, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2033-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2033-10-20","sa":"https://sa.vidhyamitra.com/city/perth/2033-10-20","hi":"https://hi.vidhyamitra.com/city/perth/2033-10-20","x-default":"https://vidhyamitra.com/city/perth/2033-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T14:35:21.218Z","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":"2026-05-15T14:35:21.218Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T14:35:21.218Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}