{"id":"vidhyamitra:city-day:perth:2026-11-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2026-11-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-11-13","date_display":"November 13, 2026 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":2026,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461357.770833,"kali_year":5128,"ahargana":1872892.2708,"sun":{"sidereal_longitude":205.7454,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":250.7197,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.9743,"elapsed_within_tithi_degrees":8.9743},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.7197,"elapsed_within_degrees":10.7197},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.4652},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2026,"month":11,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461357.770833,"ahargana":1872892.2708,"kali_year":5128,"ayanamsa_lahiri":24.2283,"grahas":{"sun":{"sidereal_longitude":206.43619,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":248.05569000000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false,"latitude":-3.6593},"mars":{"sidereal_longitude":119.84258999999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":190.46819000000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":121.16209000000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":178.28249000000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":344.43699,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":305.1545,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":125.1545,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461357.770833,"kali_year":5128,"ahargana":1872892.2708,"sun":{"sidereal_longitude":205.7454,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":250.7197,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.9743,"elapsed_within_tithi_degrees":8.9743},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":250.7197,"elapsed_within_degrees":10.7197},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.4652},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.659,"elongation":44.974},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.659,"opposition_distance":135.026}},"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":"05:11","sunsetLocal":"18:52","solarNoonLocal":"12:01","dayLengthHours":13.691725331453192,"dayLengthDisplay":"13 Hours 41 Mins 30 Secs","nightLengthDisplay":"10 Hours 18 Mins 30 Secs","moonriseLocal":"07:42","moonsetLocal":"21:54","rahuKala":{"name":"Rāhu Kāla","start":"10:19","end":"12:01","startHours":10.310170986660719,"endHours":12.021636653092369,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:27","end":"17:09","startHours":15.444567985955665,"endHours":17.156033652387315,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:36","startHours":6.887239653797421,"endHours":8.598705320229069,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:50","startHours":8.370509898038183,"endHours":8.826900742419957,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.746262542842988,"endHours":6.111375218348407,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:29","startHours":11.565245808710596,"endHours":12.478027497474141,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:16","startHours":3.3502106098386797,"endHours":4.262992298602225,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:11","startHours":4.034796876411339,"endHours":5.175773987365772,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:13","startHours":14.303590875001234,"endHours":15.21637256376478,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.667499318818965,"endHours":19.067499318818964,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:26","startHours":18.867499318818965,"endHours":19.43798787429618,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.617499318818965,"endHours":20.367499318818965,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:29","startHours":23.565245808710596,"endHours":24.47802749747414,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:11","end":"06:53","startHours":5.175773987365772,"endHours":6.887239653797421,"quality":"neutral"},{"name":"Labha","start":"06:53","end":"08:36","startHours":6.887239653797421,"endHours":8.598705320229069,"quality":"auspicious"},{"name":"Amṛta","start":"08:36","end":"10:19","startHours":8.598705320229069,"endHours":10.310170986660719,"quality":"auspicious"},{"name":"Kāla","start":"10:19","end":"12:01","startHours":10.310170986660719,"endHours":12.021636653092369,"quality":"inauspicious"},{"name":"Śubha","start":"12:01","end":"13:44","startHours":12.021636653092369,"endHours":13.733102319524018,"quality":"auspicious"},{"name":"Roga","start":"13:44","end":"15:27","startHours":13.733102319524018,"endHours":15.444567985955665,"quality":"inauspicious"},{"name":"Udveg","start":"15:27","end":"17:09","startHours":15.444567985955665,"endHours":17.156033652387315,"quality":"inauspicious"},{"name":"Chala","start":"17:09","end":"18:52","startHours":17.156033652387315,"endHours":18.867499318818965,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:52","end":"20:09","startHours":18.867499318818965,"endHours":20.156033652387315,"quality":"inauspicious"},{"name":"Udveg","start":"20:09","end":"21:27","startHours":20.156033652387315,"endHours":21.444567985955665,"quality":"inauspicious"},{"name":"Chala","start":"21:27","end":"22:44","startHours":21.444567985955665,"endHours":22.73310231952402,"quality":"neutral"},{"name":"Labha","start":"22:44","end":"00:01","startHours":22.73310231952402,"endHours":24.02163665309237,"quality":"auspicious"},{"name":"Amṛta","start":"00:01","end":"01:19","startHours":24.02163665309237,"endHours":25.31017098666072,"quality":"auspicious"},{"name":"Kāla","start":"01:19","end":"02:36","startHours":25.31017098666072,"endHours":26.598705320229072,"quality":"inauspicious"},{"name":"Śubha","start":"02:36","end":"03:53","startHours":26.598705320229072,"endHours":27.887239653797423,"quality":"auspicious"},{"name":"Roga","start":"03:53","end":"05:11","startHours":27.887239653797423,"endHours":29.175773987365773,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.175773987365772,"endHours":6.175773987365772,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.175773987365772,"endHours":7.175773987365772,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.175773987365772,"endHours":8.175773987365773,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.175773987365773,"endHours":9.175773987365773,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.175773987365773,"endHours":10.175773987365773,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.175773987365773,"endHours":11.175773987365773,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.175773987365773,"endHours":12.175773987365773,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.175773987365773,"endHours":13.175773987365773,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.175773987365773,"endHours":14.175773987365773,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.175773987365773,"endHours":15.175773987365773,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.175773987365773,"endHours":16.175773987365773,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.175773987365773,"endHours":17.175773987365773,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.175773987365773,"endHours":18.175773987365773,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.175773987365773,"endHours":19.175773987365773,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.175773987365773,"endHours":20.175773987365773,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.175773987365773,"endHours":21.175773987365773,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.175773987365773,"endHours":22.175773987365773,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.175773987365773,"endHours":23.175773987365773,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.175773987365773,"endHours":24.175773987365773,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.175773987365773,"endHours":25.175773987365773,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.175773987365773,"endHours":26.175773987365773,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.175773987365773,"endHours":27.175773987365773,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.175773987365773,"endHours":28.175773987365773,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.175773987365773,"endHours":29.175773987365773,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","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":-17.91617112136138,"eotMinutes":15.25980081445791,"ayanamsa":24.2283}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Caturthī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"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":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 13, 2026 CE · Perth, Australia · Vidhyamitra","description":"November 13, 2026 CE for Perth, Australia: Śukla Caturthī, sūryodaya 05:11, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2026-11-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2026-11-13","sa":"https://sa.vidhyamitra.com/city/perth/2026-11-13","hi":"https://hi.vidhyamitra.com/city/perth/2026-11-13","x-default":"https://vidhyamitra.com/city/perth/2026-11-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:57:23.950Z","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":"2026-05-14T23:57:23.950Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:57:23.950Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}