{"id":"vidhyamitra:city-day:perth:2001-11-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2001-11-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-11-18","date_display":"November 18, 2001 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":2001,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452231.770833,"kali_year":5103,"ahargana":1863766.2708,"sun":{"sidereal_longitude":211.2875,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":247.0859,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.7984,"elapsed_within_tithi_degrees":11.7984},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.0859,"elapsed_within_degrees":7.0859},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.3735},"karana":{"half_tithi_index":5,"name":"Gara"},"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":2001,"month":11,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452231.770833,"ahargana":1863766.2708,"kali_year":5103,"ayanamsa_lahiri":23.8793,"grahas":{"sun":{"sidereal_longitude":211.88557100000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":246.28987099999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":0.1261},"mars":{"sidereal_longitude":291.04707099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":202.13757099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":81.31907100000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":198.007071,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":48.75267100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":68.6939,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":248.6939,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452231.770833,"kali_year":5103,"ahargana":1863766.2708,"sun":{"sidereal_longitude":211.2875,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":247.0859,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":35.7984,"elapsed_within_tithi_degrees":11.7984},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.0859,"elapsed_within_degrees":7.0859},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":98.3735},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.126,"elongation":35.798},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.126,"opposition_distance":144.202}},"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":"05:08","sunsetLocal":"18:57","solarNoonLocal":"12:02","dayLengthHours":13.814513383549304,"dayLengthDisplay":"13 Hours 48 Mins 52 Secs","nightLengthDisplay":"10 Hours 11 Mins 08 Secs","moonriseLocal":"07:14","moonsetLocal":"21:26","rahuKala":{"name":"Rāhu Kāla","start":"17:13","end":"18:57","startHours":17.219612173517156,"endHours":18.946426346460818,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:46","startHours":12.039169654686166,"endHours":13.765983827629828,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:30","end":"17:13","startHours":15.49279800057349,"endHours":17.219612173517156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:49","startHours":8.355299419073017,"endHours":8.815783198524661,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:05","startHours":5.707517687226067,"endHours":6.075904710787382,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:30","startHours":11.578685875234523,"endHours":12.499653434137809,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:17","end":"04:13","startHours":3.2899778451049393,"endHours":4.210945404008226,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:59","end":"05:08","startHours":3.9807035142824043,"endHours":5.131912962911513,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:16","startHours":14.341588551944383,"endHours":15.26255611084767,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.74642634646082,"endHours":19.146426346460817,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:31","startHours":18.946426346460818,"endHours":19.522031070775373,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.696426346460818,"endHours":20.446426346460818,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:30","startHours":23.578685875234523,"endHours":24.49965343413781,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:08","end":"06:52","startHours":5.131912962911513,"endHours":6.858727135855176,"quality":"inauspicious"},{"name":"Chala","start":"06:52","end":"08:35","startHours":6.858727135855176,"endHours":8.585541308798838,"quality":"neutral"},{"name":"Labha","start":"08:35","end":"10:19","startHours":8.585541308798838,"endHours":10.312355481742502,"quality":"auspicious"},{"name":"Amṛta","start":"10:19","end":"12:02","startHours":10.312355481742502,"endHours":12.039169654686166,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:46","startHours":12.039169654686166,"endHours":13.765983827629828,"quality":"inauspicious"},{"name":"Śubha","start":"13:46","end":"15:30","startHours":13.765983827629828,"endHours":15.49279800057349,"quality":"auspicious"},{"name":"Roga","start":"15:30","end":"17:13","startHours":15.49279800057349,"endHours":17.219612173517156,"quality":"inauspicious"},{"name":"Udveg","start":"17:13","end":"18:57","startHours":17.219612173517156,"endHours":18.946426346460818,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:57","end":"20:13","startHours":18.946426346460818,"endHours":20.219612173517156,"quality":"auspicious"},{"name":"Roga","start":"20:13","end":"21:30","startHours":20.219612173517156,"endHours":21.492798000573494,"quality":"inauspicious"},{"name":"Udveg","start":"21:30","end":"22:46","startHours":21.492798000573494,"endHours":22.765983827629828,"quality":"inauspicious"},{"name":"Chala","start":"22:46","end":"00:02","startHours":22.765983827629828,"endHours":24.039169654686166,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:19","startHours":24.039169654686166,"endHours":25.312355481742504,"quality":"auspicious"},{"name":"Amṛta","start":"01:19","end":"02:35","startHours":25.312355481742504,"endHours":26.585541308798838,"quality":"auspicious"},{"name":"Kāla","start":"02:35","end":"03:52","startHours":26.585541308798838,"endHours":27.858727135855176,"quality":"inauspicious"},{"name":"Śubha","start":"03:52","end":"05:08","startHours":27.858727135855176,"endHours":29.131912962911514,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.131912962911513,"endHours":6.131912962911513,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.131912962911513,"endHours":7.131912962911513,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.131912962911513,"endHours":8.131912962911514,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.131912962911514,"endHours":9.131912962911514,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.131912962911514,"endHours":10.131912962911514,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.131912962911514,"endHours":11.131912962911514,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.131912962911514,"endHours":12.131912962911514,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.131912962911514,"endHours":13.131912962911514,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.131912962911514,"endHours":14.131912962911514,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.131912962911514,"endHours":15.131912962911514,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.131912962911514,"endHours":16.131912962911514,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.131912962911514,"endHours":17.131912962911514,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.131912962911514,"endHours":18.131912962911514,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.131912962911514,"endHours":19.131912962911514,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.131912962911514,"endHours":20.131912962911514,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.131912962911514,"endHours":21.131912962911514,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.131912962911514,"endHours":22.131912962911514,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.131912962911514,"endHours":23.131912962911514,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.131912962911514,"endHours":24.131912962911514,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.131912962911514,"endHours":25.131912962911514,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.131912962911514,"endHours":26.131912962911514,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.131912962911514,"endHours":27.131912962911514,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.131912962911514,"endHours":28.131912962911514,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.131912962911514,"endHours":29.131912962911514,"planetary_lord":"Jupiter"}],"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":"North-East","anandadiYoga":{"name":"Siddhi","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":-19.197149493802,"eotMinutes":14.207820718830007,"ayanamsa":23.8793}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Tṛtīyā · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"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 November 18, 2001 CE · Perth, Australia · Vidhyamitra","description":"November 18, 2001 CE for Perth, Australia: Śukla Tṛtīyā, sūryodaya 05:08, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2001-11-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2001-11-18","sa":"https://sa.vidhyamitra.com/city/perth/2001-11-18","hi":"https://hi.vidhyamitra.com/city/perth/2001-11-18","x-default":"https://vidhyamitra.com/city/perth/2001-11-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T15:02:53.252Z","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":"2026-05-17T15:02:53.252Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T15:02:53.252Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}