{"id":"vidhyamitra:city-day:perth:2170-11-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2170-11-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2170-11-20","date_display":"November 20, 2170 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":2170,"month":11,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513959.770833,"kali_year":5272,"ahargana":1925494.2708,"sun":{"sidereal_longitude":210.5469,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":349.0957,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.5488,"elapsed_within_tithi_degrees":6.5488},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.0957,"elapsed_within_degrees":2.429},"yoga":{"number":15,"name":"Vajra","sum_longitude":199.6426},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2170,"month":11,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513959.770833,"ahargana":1925494.2708,"kali_year":5272,"ayanamsa_lahiri":26.2401,"grahas":{"sun":{"sidereal_longitude":211.55390699999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":351.604807,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-3.3922},"mars":{"sidereal_longitude":245.41190699999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":202.28580699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":162.917007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":162.49940700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":302.0333069999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":38.0474,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":218.0474,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2170,"month":11,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513959.770833,"kali_year":5272,"ahargana":1925494.2708,"sun":{"sidereal_longitude":210.5469,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":349.0957,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":138.5488,"elapsed_within_tithi_degrees":6.5488},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.0957,"elapsed_within_degrees":2.429},"yoga":{"number":15,"name":"Vajra","sum_longitude":199.6426},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.392,"elongation":138.549},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.392,"opposition_distance":41.451}},"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":"05:07","sunsetLocal":"18:59","solarNoonLocal":"12:03","dayLengthHours":13.860063996921719,"dayLengthDisplay":"13 Hours 51 Mins 36 Secs","nightLengthDisplay":"10 Hours 08 Mins 24 Secs","moonriseLocal":"15:38","moonsetLocal":"03:08","rahuKala":{"name":"Rāhu Kāla","start":"15:31","end":"17:15","startHours":15.512635810900614,"endHours":17.245143810515827,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:35","end":"10:19","startHours":8.582603812439753,"endHours":10.315111812054969,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:47","startHours":12.047619811670184,"endHours":13.780127811285398,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:49","startHours":8.351602745824392,"endHours":8.813604879055116,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:42","end":"06:04","startHours":5.695090479747729,"endHours":6.064692186332309,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:31","startHours":11.58561767843946,"endHours":12.509621944900909,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:16","end":"04:12","startHours":3.269579280286428,"endHours":4.193583546747877,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"03:58","end":"05:07","startHours":3.9625824801325145,"endHours":5.117587813209324,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:17","startHours":14.357630477823804,"endHours":15.281634744285252,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:47","end":"19:11","startHours":18.777651810131044,"endHours":19.177651810131042,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:59","end":"19:33","startHours":18.977651810131043,"endHours":19.555154476669447,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:44","end":"20:29","startHours":18.727651810131043,"endHours":20.477651810131043,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:31","startHours":23.585617678439462,"endHours":24.509621944900907,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:07","end":"06:51","startHours":5.117587813209324,"endHours":6.850095812824539,"quality":"inauspicious"},{"name":"Udveg","start":"06:51","end":"08:35","startHours":6.850095812824539,"endHours":8.582603812439753,"quality":"inauspicious"},{"name":"Chala","start":"08:35","end":"10:19","startHours":8.582603812439753,"endHours":10.315111812054969,"quality":"neutral"},{"name":"Labha","start":"10:19","end":"12:03","startHours":10.315111812054969,"endHours":12.047619811670184,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:47","startHours":12.047619811670184,"endHours":13.780127811285398,"quality":"auspicious"},{"name":"Kāla","start":"13:47","end":"15:31","startHours":13.780127811285398,"endHours":15.512635810900614,"quality":"inauspicious"},{"name":"Śubha","start":"15:31","end":"17:15","startHours":15.512635810900614,"endHours":17.245143810515827,"quality":"auspicious"},{"name":"Roga","start":"17:15","end":"18:59","startHours":17.245143810515827,"endHours":18.977651810131043,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:59","end":"20:15","startHours":18.977651810131043,"endHours":20.245143810515827,"quality":"inauspicious"},{"name":"Śubha","start":"20:15","end":"21:31","startHours":20.245143810515827,"endHours":21.512635810900612,"quality":"auspicious"},{"name":"Roga","start":"21:31","end":"22:47","startHours":21.512635810900612,"endHours":22.780127811285396,"quality":"inauspicious"},{"name":"Udveg","start":"22:47","end":"00:03","startHours":22.780127811285396,"endHours":24.047619811670184,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:19","startHours":24.047619811670184,"endHours":25.31511181205497,"quality":"neutral"},{"name":"Labha","start":"01:19","end":"02:35","startHours":25.31511181205497,"endHours":26.582603812439753,"quality":"auspicious"},{"name":"Amṛta","start":"02:35","end":"03:51","startHours":26.582603812439753,"endHours":27.85009581282454,"quality":"auspicious"},{"name":"Kāla","start":"03:51","end":"05:07","startHours":27.85009581282454,"endHours":29.117587813209326,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:07","end":"06:07","startHours":5.117587813209324,"endHours":6.117587813209324,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:07","end":"07:07","startHours":6.117587813209324,"endHours":7.117587813209324,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:07","end":"08:07","startHours":7.117587813209324,"endHours":8.117587813209324,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:07","end":"09:07","startHours":8.117587813209324,"endHours":9.117587813209324,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:07","end":"10:07","startHours":9.117587813209324,"endHours":10.117587813209324,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:07","end":"11:07","startHours":10.117587813209324,"endHours":11.117587813209324,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:07","end":"12:07","startHours":11.117587813209324,"endHours":12.117587813209324,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:07","end":"13:07","startHours":12.117587813209324,"endHours":13.117587813209324,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:07","end":"14:07","startHours":13.117587813209324,"endHours":14.117587813209324,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:07","end":"15:07","startHours":14.117587813209324,"endHours":15.117587813209324,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:07","end":"16:07","startHours":15.117587813209324,"endHours":16.117587813209326,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:07","end":"17:07","startHours":16.117587813209326,"endHours":17.117587813209326,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:07","end":"18:07","startHours":17.117587813209326,"endHours":18.117587813209326,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:07","end":"19:07","startHours":18.117587813209326,"endHours":19.117587813209326,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:07","end":"20:07","startHours":19.117587813209326,"endHours":20.117587813209326,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:07","end":"21:07","startHours":20.117587813209326,"endHours":21.117587813209326,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:07","end":"22:07","startHours":21.117587813209326,"endHours":22.117587813209326,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:07","end":"23:07","startHours":22.117587813209326,"endHours":23.117587813209326,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:07","end":"00:07","startHours":23.117587813209326,"endHours":24.117587813209326,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:07","end":"01:07","startHours":24.117587813209326,"endHours":25.117587813209326,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:07","end":"02:07","startHours":25.117587813209326,"endHours":26.117587813209326,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:07","end":"03:07","startHours":26.117587813209326,"endHours":27.117587813209326,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:07","end":"04:07","startHours":27.117587813209326,"endHours":28.117587813209326,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:07","end":"05:07","startHours":28.117587813209326,"endHours":29.117587813209326,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.665987883861003,"eotMinutes":13.700811299788931,"ayanamsa":26.2401}},"calendars":{"vikram_samvat":2227,"vikram_samvatsara":"Subhānu","saka_samvat":2092,"saka_samvatsara":"Pramoda","bengali_samvat":1577,"malayalam_era":1346,"nanakshahi_year":701,"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":"Vṛścika (Kārttikai)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Dvādaśī · Vikram 2227 Subhānu · Śaka 2092 Pramoda"},"festivals":[{"id":"tulasi-vivaha","name":"Tulasī Vivāha","name_sanskrit":"तुलसी विवाह","tradition":"Vaishnava","associated_deity":"Tulasī Devī + Bhagavān Viṣṇu","significance":"Marriage of Tulasī (Vṛndā) with Śālagrāma. Marks end of Cāturmāsya.","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2,"sources":["Padma Purāṇa Uttara-khaṇḍa"]}],"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 20, 2170 CE · Perth, Australia · Vidhyamitra","description":"November 20, 2170 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 05:07, sūryāsta 18:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2170-11-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2170-11-20","sa":"https://sa.vidhyamitra.com/city/perth/2170-11-20","hi":"https://hi.vidhyamitra.com/city/perth/2170-11-20","x-default":"https://vidhyamitra.com/city/perth/2170-11-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:41:10.739Z","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":"2026-05-31T11:41:10.739Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:41:10.739Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}