{"id":"vidhyamitra:city-day:perth:2030-10-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2030-10-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-10-27","date_display":"October 27, 2030 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":2030,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462801.770833,"kali_year":5132,"ahargana":1874336.2708,"sun":{"sidereal_longitude":188.6006,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":189.7458,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.1452,"elapsed_within_tithi_degrees":1.1452},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.7458,"elapsed_within_degrees":3.0791},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.3464},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":2030,"month":10,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462801.770833,"ahargana":1874336.2708,"kali_year":5132,"ayanamsa_lahiri":24.2835,"grahas":{"sun":{"sidereal_longitude":189.37911899999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":192.03001900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":-2.824},"mars":{"sidereal_longitude":140.30111899999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":198.52841899999999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":216.65351899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":190.662819,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":43.380818999999974,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":228.6444,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":48.6444,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2030,"month":10,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462801.770833,"kali_year":5132,"ahargana":1874336.2708,"sun":{"sidereal_longitude":188.6006,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":189.7458,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":1.1452,"elapsed_within_tithi_degrees":1.1452},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.7458,"elapsed_within_degrees":3.0791},"yoga":{"number":2,"name":"Prīti","sum_longitude":18.3464},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.824,"elongation":1.145},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.824,"opposition_distance":178.855}},"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":"05:24","sunsetLocal":"18:37","solarNoonLocal":"12:00","dayLengthHours":13.216216317038665,"dayLengthDisplay":"13 Hours 12 Mins 58 Secs","nightLengthDisplay":"10 Hours 47 Mins 02 Secs","moonriseLocal":"05:33","moonsetLocal":"18:48","rahuKala":{"name":"Rāhu Kāla","start":"16:58","end":"18:37","startHours":16.959372724524247,"endHours":18.61139976415408,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:00","end":"13:39","startHours":12.003291605634747,"endHours":13.655318645264579,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:18","end":"16:58","startHours":15.307345684894413,"endHours":16.959372724524247,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:29","end":"08:55","startHours":8.478967254424436,"endHours":8.919507798325725,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:57","end":"06:18","startHours":5.945859126992025,"endHours":6.298291562113056,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.562751061733458,"endHours":12.443832149536036,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:31","startHours":3.633021271510259,"endHours":4.514102359312837,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:18","end":"05:24","startHours":4.293832087362192,"endHours":5.395183447115414,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"15:05","startHours":14.20599432514119,"endHours":15.087075412943769,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:25","end":"18:49","startHours":18.41139976415408,"endHours":18.81139976415408,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:37","end":"19:10","startHours":18.61139976415408,"endHours":19.16207544403069,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:22","end":"20:07","startHours":18.36139976415408,"endHours":20.11139976415408,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.562751061733458,"endHours":24.443832149536036,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:24","end":"07:03","startHours":5.395183447115414,"endHours":7.047210486745247,"quality":"inauspicious"},{"name":"Chala","start":"07:03","end":"08:42","startHours":7.047210486745247,"endHours":8.69923752637508,"quality":"neutral"},{"name":"Labha","start":"08:42","end":"10:21","startHours":8.69923752637508,"endHours":10.351264566004915,"quality":"auspicious"},{"name":"Amṛta","start":"10:21","end":"12:00","startHours":10.351264566004915,"endHours":12.003291605634747,"quality":"auspicious"},{"name":"Kāla","start":"12:00","end":"13:39","startHours":12.003291605634747,"endHours":13.655318645264579,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:18","startHours":13.655318645264579,"endHours":15.307345684894413,"quality":"auspicious"},{"name":"Roga","start":"15:18","end":"16:58","startHours":15.307345684894413,"endHours":16.959372724524247,"quality":"inauspicious"},{"name":"Udveg","start":"16:58","end":"18:37","startHours":16.959372724524247,"endHours":18.61139976415408,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:37","end":"19:58","startHours":18.61139976415408,"endHours":19.959372724524247,"quality":"auspicious"},{"name":"Roga","start":"19:58","end":"21:18","startHours":19.959372724524247,"endHours":21.307345684894415,"quality":"inauspicious"},{"name":"Udveg","start":"21:18","end":"22:39","startHours":21.307345684894415,"endHours":22.65531864526458,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"00:00","startHours":22.65531864526458,"endHours":24.003291605634747,"quality":"neutral"},{"name":"Labha","start":"00:00","end":"01:21","startHours":24.003291605634747,"endHours":25.351264566004915,"quality":"auspicious"},{"name":"Amṛta","start":"01:21","end":"02:42","startHours":25.351264566004915,"endHours":26.69923752637508,"quality":"auspicious"},{"name":"Kāla","start":"02:42","end":"04:03","startHours":26.69923752637508,"endHours":28.047210486745247,"quality":"inauspicious"},{"name":"Śubha","start":"04:03","end":"05:24","startHours":28.047210486745247,"endHours":29.395183447115414,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.395183447115414,"endHours":6.395183447115414,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.395183447115414,"endHours":7.395183447115414,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.395183447115414,"endHours":8.395183447115414,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.395183447115414,"endHours":9.395183447115414,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.395183447115414,"endHours":10.395183447115414,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.395183447115414,"endHours":11.395183447115414,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.395183447115414,"endHours":12.395183447115414,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.395183447115414,"endHours":13.395183447115414,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.395183447115414,"endHours":14.395183447115414,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.395183447115414,"endHours":15.395183447115414,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.395183447115414,"endHours":16.395183447115414,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.395183447115414,"endHours":17.395183447115414,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.395183447115414,"endHours":18.395183447115414,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.395183447115414,"endHours":19.395183447115414,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.395183447115414,"endHours":20.395183447115414,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.395183447115414,"endHours":21.395183447115414,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.395183447115414,"endHours":22.395183447115414,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.395183447115414,"endHours":23.395183447115414,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.395183447115414,"endHours":24.395183447115414,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.395183447115414,"endHours":25.395183447115414,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.395183447115414,"endHours":26.395183447115414,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.395183447115414,"endHours":27.395183447115414,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.395183447115414,"endHours":28.395183447115414,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.395183447115414,"endHours":29.395183447115414,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","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":-12.736270342118846,"eotMinutes":16.360503661915228,"ayanamsa":24.2835}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Pratipada · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"govardhana-puja","name":"Govardhana Pūjā (Annakūṭa)","name_sanskrit":"गोवर्धन पूजा","tradition":"Vaishnava","associated_deity":"Krishna (Govardhana-dhārī)","significance":"Krishna lifted Govardhana to protect Vraja from Indra's wrath. Day 4 of Diwali.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 10.24-27"]},{"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":"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 October 27, 2030 CE · Perth, Australia · Vidhyamitra","description":"October 27, 2030 CE for Perth, Australia: Śukla Pratipada, sūryodaya 05:24, sūryāsta 18:37.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2030-10-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2030-10-27","sa":"https://sa.vidhyamitra.com/city/perth/2030-10-27","hi":"https://hi.vidhyamitra.com/city/perth/2030-10-27","x-default":"https://vidhyamitra.com/city/perth/2030-10-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T07:21:36.179Z","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":"2026-05-15T07:21:36.179Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T07:21:36.179Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}