{"id":"vidhyamitra:city-day:perth:2018-11-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2018-11-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-11-13","date_display":"November 13, 2018 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":2018,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458435.770833,"kali_year":5120,"ahargana":1869970.2708,"sun":{"sidereal_longitude":205.8163,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":270.096,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.2797,"elapsed_within_tithi_degrees":4.2797},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.096,"elapsed_within_degrees":3.4293},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.9123},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2018,"month":11,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458435.770833,"ahargana":1869970.2708,"kali_year":5120,"ayanamsa_lahiri":24.1165,"grahas":{"sun":{"sidereal_longitude":206.487432,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":268.62043199999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.7714},"mars":{"sidereal_longitude":303.834432,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":228.24303199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":216.82283200000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":181.134632,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":251.77443199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":99.9761,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.9761,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"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":2018,"month":11,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458435.770833,"kali_year":5120,"ahargana":1869970.2708,"sun":{"sidereal_longitude":205.8163,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":270.096,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.2797,"elapsed_within_tithi_degrees":4.2797},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.096,"elapsed_within_degrees":3.4293},"yoga":{"number":9,"name":"Śūla","sum_longitude":115.9123},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.771,"elongation":64.28},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.771,"opposition_distance":115.72}},"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":13.69020123216147,"dayLengthDisplay":"13 Hours 41 Mins 25 Secs","nightLengthDisplay":"10 Hours 18 Mins 35 Secs","moonriseLocal":"09:10","moonsetLocal":"23:10","rahuKala":{"name":"Rāhu Kāla","start":"15:27","end":"17:09","startHours":15.444186961132736,"endHours":17.15546211515292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:36","end":"10:19","startHours":8.599086345052001,"endHours":10.310361499072183,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:01","end":"13:44","startHours":12.021636653092369,"endHours":13.73291180711255,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:22","end":"08:50","startHours":8.370916324515976,"endHours":8.827256365588024,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.746961088351694,"endHours":6.112033121209333,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:29","startHours":11.565296612020319,"endHours":12.477976694164418,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:21","end":"04:16","startHours":3.351175872723436,"endHours":4.263855954867535,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:02","end":"05:11","startHours":4.03568593433151,"endHours":5.1765360370116325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:18","end":"15:13","startHours":14.303336858452614,"endHours":15.216016940596711,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:40","end":"19:04","startHours":18.666737269173105,"endHours":19.066737269173103,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:52","end":"19:26","startHours":18.866737269173104,"endHours":19.437162320513167,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:37","end":"20:22","startHours":18.616737269173104,"endHours":20.366737269173104,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:29","startHours":23.56529661202032,"endHours":24.47797669416442,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:11","end":"06:53","startHours":5.1765360370116325,"endHours":6.887811191031816,"quality":"inauspicious"},{"name":"Udveg","start":"06:53","end":"08:36","startHours":6.887811191031816,"endHours":8.599086345052001,"quality":"inauspicious"},{"name":"Chala","start":"08:36","end":"10:19","startHours":8.599086345052001,"endHours":10.310361499072183,"quality":"neutral"},{"name":"Labha","start":"10:19","end":"12:01","startHours":10.310361499072183,"endHours":12.021636653092369,"quality":"auspicious"},{"name":"Amṛta","start":"12:01","end":"13:44","startHours":12.021636653092369,"endHours":13.73291180711255,"quality":"auspicious"},{"name":"Kāla","start":"13:44","end":"15:27","startHours":13.73291180711255,"endHours":15.444186961132736,"quality":"inauspicious"},{"name":"Śubha","start":"15:27","end":"17:09","startHours":15.444186961132736,"endHours":17.15546211515292,"quality":"auspicious"},{"name":"Roga","start":"17:09","end":"18:52","startHours":17.15546211515292,"endHours":18.866737269173104,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:52","end":"20:09","startHours":18.866737269173104,"endHours":20.155462115152922,"quality":"inauspicious"},{"name":"Śubha","start":"20:09","end":"21:27","startHours":20.155462115152922,"endHours":21.444186961132736,"quality":"auspicious"},{"name":"Roga","start":"21:27","end":"22:44","startHours":21.444186961132736,"endHours":22.73291180711255,"quality":"inauspicious"},{"name":"Udveg","start":"22:44","end":"00:01","startHours":22.73291180711255,"endHours":24.02163665309237,"quality":"inauspicious"},{"name":"Chala","start":"00:01","end":"01:19","startHours":24.02163665309237,"endHours":25.310361499072187,"quality":"neutral"},{"name":"Labha","start":"01:19","end":"02:36","startHours":25.310361499072187,"endHours":26.599086345052,"quality":"auspicious"},{"name":"Amṛta","start":"02:36","end":"03:53","startHours":26.599086345052,"endHours":27.887811191031815,"quality":"auspicious"},{"name":"Kāla","start":"03:53","end":"05:11","startHours":27.887811191031815,"endHours":29.176536037011633,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.1765360370116325,"endHours":6.1765360370116325,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.1765360370116325,"endHours":7.1765360370116325,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.1765360370116325,"endHours":8.176536037011633,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.176536037011633,"endHours":9.176536037011633,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.176536037011633,"endHours":10.176536037011633,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.176536037011633,"endHours":11.176536037011633,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.176536037011633,"endHours":12.176536037011633,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.176536037011633,"endHours":13.176536037011633,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.176536037011633,"endHours":14.176536037011633,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.176536037011633,"endHours":15.176536037011633,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.176536037011633,"endHours":16.176536037011633,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.176536037011633,"endHours":17.176536037011633,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.176536037011633,"endHours":18.176536037011633,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.176536037011633,"endHours":19.176536037011633,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.176536037011633,"endHours":20.176536037011633,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.176536037011633,"endHours":21.176536037011633,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.176536037011633,"endHours":22.176536037011633,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.176536037011633,"endHours":23.176536037011633,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.176536037011633,"endHours":24.176536037011633,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.176536037011633,"endHours":25.176536037011633,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.176536037011633,"endHours":26.176536037011633,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.176536037011633,"endHours":27.176536037011633,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.176536037011633,"endHours":28.176536037011633,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.176536037011633,"endHours":29.176536037011633,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","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":-17.900116351118182,"eotMinutes":15.25980081445791,"ayanamsa":24.1165}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Ṣaṣṭhī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"festivals":[{"id":"chhath-puja","name":"Chhaṭh Pūjā","name_sanskrit":"छठ पूजा","tradition":"Regional","associated_deity":"Sūrya + Chhaṭhī Mātā","significance":"Bihar/UP festival worshiping Sūrya. 6th day of Kārtika Śukla.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 2018 CE · Perth, Australia · Vidhyamitra","description":"November 13, 2018 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 05:11, sūryāsta 18:52.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2018-11-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2018-11-13","sa":"https://sa.vidhyamitra.com/city/perth/2018-11-13","hi":"https://hi.vidhyamitra.com/city/perth/2018-11-13","x-default":"https://vidhyamitra.com/city/perth/2018-11-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:38:02.414Z","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":"2026-05-15T12:38:02.414Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:38:02.414Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}