{"id":"vidhyamitra:city-day:perth:2180-11-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2180-11-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-11-18","date_display":"November 18, 2180 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":2180,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517610.770833,"kali_year":5282,"ahargana":1929145.2708,"sun":{"sidereal_longitude":208.937,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.3743,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.4372,"elapsed_within_tithi_degrees":7.4372},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.3743,"elapsed_within_degrees":3.0409},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.3113},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2180,"month":11,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517610.770833,"ahargana":1929145.2708,"kali_year":5282,"ayanamsa_lahiri":26.3798,"grahas":{"sun":{"sidereal_longitude":209.97841199999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":218.48791200000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":0.9174},"mars":{"sidereal_longitude":62.122311999999965,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":214.30711199999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":113.12981200000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":188.46781199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":82.02431200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":204.5999,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":24.5999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2180,"month":11,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517610.770833,"kali_year":5282,"ahargana":1929145.2708,"sun":{"sidereal_longitude":208.937,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":216.3743,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":7.4372,"elapsed_within_tithi_degrees":7.4372},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":216.3743,"elapsed_within_degrees":3.0409},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.3113},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.917,"elongation":7.437},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.917,"opposition_distance":172.563}},"eclipse_window_40days":[{"offset_days":14,"type":"lunar","occurs":true,"moon_latitude":-1.399,"opposition_distance":1.186}]},"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":13.828038201304103,"dayLengthDisplay":"13 Hours 49 Mins 41 Secs","nightLengthDisplay":"10 Hours 10 Mins 19 Secs","moonriseLocal":"05:38","moonsetLocal":"19:35","rahuKala":{"name":"Rāhu Kāla","start":"08:35","end":"10:19","startHours":8.58216010436014,"endHours":10.310664879523152,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:46","end":"15:30","startHours":13.76767442984918,"endHours":15.496179205012192,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:08","end":"06:51","startHours":5.125150554034114,"endHours":6.853655329197127,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:49","startHours":8.351692801005072,"endHours":8.812627407715208,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:04","startHours":5.7013188124217855,"endHours":6.070066497789895,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:30","startHours":11.57823504797603,"endHours":12.500104261396302,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:17","end":"04:12","startHours":3.2814121271935672,"endHours":4.203281340613841,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:08","startHours":3.972814037258772,"endHours":5.125150554034114,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:16","startHours":14.343842688236851,"endHours":15.265711901657125,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:45","end":"19:09","startHours":18.75318875533822,"endHours":19.153188755338217,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:57","end":"19:32","startHours":18.953188755338218,"endHours":19.52935701372589,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:42","end":"20:27","startHours":18.703188755338218,"endHours":20.453188755338218,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:30","startHours":23.57823504797603,"endHours":24.500104261396302,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:08","end":"06:51","startHours":5.125150554034114,"endHours":6.853655329197127,"quality":"inauspicious"},{"name":"Śubha","start":"06:51","end":"08:35","startHours":6.853655329197127,"endHours":8.58216010436014,"quality":"auspicious"},{"name":"Roga","start":"08:35","end":"10:19","startHours":8.58216010436014,"endHours":10.310664879523152,"quality":"inauspicious"},{"name":"Udveg","start":"10:19","end":"12:02","startHours":10.310664879523152,"endHours":12.039169654686166,"quality":"inauspicious"},{"name":"Chala","start":"12:02","end":"13:46","startHours":12.039169654686166,"endHours":13.76767442984918,"quality":"neutral"},{"name":"Labha","start":"13:46","end":"15:30","startHours":13.76767442984918,"endHours":15.496179205012192,"quality":"auspicious"},{"name":"Amṛta","start":"15:30","end":"17:13","startHours":15.496179205012192,"endHours":17.224683980175204,"quality":"auspicious"},{"name":"Kāla","start":"17:13","end":"18:57","startHours":17.224683980175204,"endHours":18.953188755338218,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:57","end":"20:13","startHours":18.953188755338218,"endHours":20.224683980175204,"quality":"auspicious"},{"name":"Amṛta","start":"20:13","end":"21:30","startHours":20.224683980175204,"endHours":21.49617920501219,"quality":"auspicious"},{"name":"Kāla","start":"21:30","end":"22:46","startHours":21.49617920501219,"endHours":22.76767442984918,"quality":"inauspicious"},{"name":"Śubha","start":"22:46","end":"00:02","startHours":22.76767442984918,"endHours":24.039169654686166,"quality":"auspicious"},{"name":"Roga","start":"00:02","end":"01:19","startHours":24.039169654686166,"endHours":25.310664879523152,"quality":"inauspicious"},{"name":"Udveg","start":"01:19","end":"02:35","startHours":25.310664879523152,"endHours":26.582160104360142,"quality":"inauspicious"},{"name":"Chala","start":"02:35","end":"03:51","startHours":26.582160104360142,"endHours":27.853655329197128,"quality":"neutral"},{"name":"Labha","start":"03:51","end":"05:08","startHours":27.853655329197128,"endHours":29.125150554034114,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:08","end":"06:08","startHours":5.125150554034114,"endHours":6.125150554034114,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:08","end":"07:08","startHours":6.125150554034114,"endHours":7.125150554034114,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:08","end":"08:08","startHours":7.125150554034114,"endHours":8.125150554034114,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:08","end":"09:08","startHours":8.125150554034114,"endHours":9.125150554034114,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:08","end":"10:08","startHours":9.125150554034114,"endHours":10.125150554034114,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:08","end":"11:08","startHours":10.125150554034114,"endHours":11.125150554034114,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:08","end":"12:08","startHours":11.125150554034114,"endHours":12.125150554034114,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:08","end":"13:08","startHours":12.125150554034114,"endHours":13.125150554034114,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:08","end":"14:08","startHours":13.125150554034114,"endHours":14.125150554034114,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:08","end":"15:08","startHours":14.125150554034114,"endHours":15.125150554034114,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:08","end":"16:08","startHours":15.125150554034114,"endHours":16.125150554034114,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:08","end":"17:08","startHours":16.125150554034114,"endHours":17.125150554034114,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:08","end":"18:08","startHours":17.125150554034114,"endHours":18.125150554034114,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:08","end":"19:08","startHours":18.125150554034114,"endHours":19.125150554034114,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:08","end":"20:08","startHours":19.125150554034114,"endHours":20.125150554034114,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:08","end":"21:08","startHours":20.125150554034114,"endHours":21.125150554034114,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:08","end":"22:08","startHours":21.125150554034114,"endHours":22.125150554034114,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:08","end":"23:08","startHours":22.125150554034114,"endHours":23.125150554034114,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:08","end":"00:08","startHours":23.125150554034114,"endHours":24.125150554034114,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:08","end":"01:08","startHours":24.125150554034114,"endHours":25.125150554034114,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:08","end":"02:08","startHours":25.125150554034114,"endHours":26.125150554034114,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:08","end":"03:08","startHours":26.125150554034114,"endHours":27.125150554034114,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:08","end":"04:08","startHours":27.125150554034114,"endHours":28.125150554034114,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:08","end":"05:08","startHours":28.125150554034114,"endHours":29.125150554034114,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.336720347320185,"eotMinutes":14.207820718830007,"ayanamsa":26.3798}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Pratipada · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"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"]}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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, 2180 CE · Perth, Australia · Vidhyamitra","description":"November 18, 2180 CE for Perth, Australia: Śukla Pratipada, sūryodaya 05:08, sūryāsta 18:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2180-11-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2180-11-18","sa":"https://sa.vidhyamitra.com/city/perth/2180-11-18","hi":"https://hi.vidhyamitra.com/city/perth/2180-11-18","x-default":"https://vidhyamitra.com/city/perth/2180-11-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:17:49.937Z","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":"2026-06-01T19:17:49.937Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:17:49.937Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}