{"id":"vidhyamitra:city-day:perth:2160-10-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2160-10-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2160-10-28","date_display":"October 28, 2160 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":2160,"month":10,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510284.770833,"kali_year":5262,"ahargana":1921819.2708,"sun":{"sidereal_longitude":187.9618,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":171.7013,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.7395,"elapsed_within_tithi_degrees":7.7395},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.7013,"elapsed_within_degrees":11.7013},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.6631},"karana":{"half_tithi_index":57,"name":"Śakuni"},"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":2160,"month":10,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2510284.770833,"ahargana":1921819.2708,"kali_year":5262,"ayanamsa_lahiri":26.0996,"grahas":{"sun":{"sidereal_longitude":189.05651899999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":171.05311900000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-3.9373},"mars":{"sidereal_longitude":162.02121899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":177.284219,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":203.09191899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":231.15131900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":194.676919,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":232.7666,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":52.7666,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2160,"month":10,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510284.770833,"kali_year":5262,"ahargana":1921819.2708,"sun":{"sidereal_longitude":187.9618,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":171.7013,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":343.7395,"elapsed_within_tithi_degrees":7.7395},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.7013,"elapsed_within_degrees":11.7013},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":359.6631},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.937,"elongation":16.261},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.937,"opposition_distance":163.739}},"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":"05:22","sunsetLocal":"18:38","solarNoonLocal":"12:00","dayLengthHours":13.26112372685406,"dayLengthDisplay":"13 Hours 15 Mins 40 Secs","nightLengthDisplay":"10 Hours 44 Mins 20 Secs","moonriseLocal":"04:28","moonsetLocal":"17:08","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:59","startHours":15.317854336055326,"endHours":16.97549480191208,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:41","end":"10:21","startHours":8.687292472628297,"endHours":10.344932938485053,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:40","startHours":12.00257340434181,"endHours":13.660213870198568,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:28","end":"08:54","startHours":8.466273743847395,"endHours":8.908311201409196,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:55","end":"06:17","startHours":5.9245583628670335,"endHours":6.2781883289164755,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:27","startHours":11.560535946780007,"endHours":12.444610861903612,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:36","end":"04:29","startHours":3.603861710667573,"endHours":4.4879366257911775,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:16","end":"05:22","startHours":4.266917897010276,"endHours":5.372011540914781,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:06","startHours":14.21276069215082,"endHours":15.096835607274423,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:26","end":"18:50","startHours":18.43313526776884,"endHours":18.83313526776884,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:38","end":"19:11","startHours":18.63313526776884,"endHours":19.18568208972109,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:23","end":"20:08","startHours":18.38313526776884,"endHours":20.13313526776884,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:27","startHours":23.560535946780007,"endHours":24.444610861903612,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:22","end":"07:02","startHours":5.372011540914781,"endHours":7.0296520067715385,"quality":"inauspicious"},{"name":"Udveg","start":"07:02","end":"08:41","startHours":7.0296520067715385,"endHours":8.687292472628297,"quality":"inauspicious"},{"name":"Chala","start":"08:41","end":"10:21","startHours":8.687292472628297,"endHours":10.344932938485053,"quality":"neutral"},{"name":"Labha","start":"10:21","end":"12:00","startHours":10.344932938485053,"endHours":12.00257340434181,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:40","startHours":12.00257340434181,"endHours":13.660213870198568,"quality":"auspicious"},{"name":"Kāla","start":"13:40","end":"15:19","startHours":13.660213870198568,"endHours":15.317854336055326,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:59","startHours":15.317854336055326,"endHours":16.97549480191208,"quality":"auspicious"},{"name":"Roga","start":"16:59","end":"18:38","startHours":16.97549480191208,"endHours":18.63313526776884,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:38","end":"19:59","startHours":18.63313526776884,"endHours":19.97549480191208,"quality":"inauspicious"},{"name":"Śubha","start":"19:59","end":"21:19","startHours":19.97549480191208,"endHours":21.317854336055326,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:40","startHours":21.317854336055326,"endHours":22.660213870198568,"quality":"inauspicious"},{"name":"Udveg","start":"22:40","end":"00:00","startHours":22.660213870198568,"endHours":24.00257340434181,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:21","startHours":24.00257340434181,"endHours":25.34493293848505,"quality":"neutral"},{"name":"Labha","start":"01:21","end":"02:41","startHours":25.34493293848505,"endHours":26.687292472628293,"quality":"auspicious"},{"name":"Amṛta","start":"02:41","end":"04:02","startHours":26.687292472628293,"endHours":28.02965200677154,"quality":"auspicious"},{"name":"Kāla","start":"04:02","end":"05:22","startHours":28.02965200677154,"endHours":29.37201154091478,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:22","end":"06:22","startHours":5.372011540914781,"endHours":6.372011540914781,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:22","end":"07:22","startHours":6.372011540914781,"endHours":7.372011540914781,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:22","end":"08:22","startHours":7.372011540914781,"endHours":8.37201154091478,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:22","end":"09:22","startHours":8.37201154091478,"endHours":9.37201154091478,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:22","end":"10:22","startHours":9.37201154091478,"endHours":10.37201154091478,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:22","end":"11:22","startHours":10.37201154091478,"endHours":11.37201154091478,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:22","end":"12:22","startHours":11.37201154091478,"endHours":12.37201154091478,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:22","end":"13:22","startHours":12.37201154091478,"endHours":13.37201154091478,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:22","end":"14:22","startHours":13.37201154091478,"endHours":14.37201154091478,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:22","end":"15:22","startHours":14.37201154091478,"endHours":15.37201154091478,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:22","end":"16:22","startHours":15.37201154091478,"endHours":16.37201154091478,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:22","end":"17:22","startHours":16.37201154091478,"endHours":17.37201154091478,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:22","end":"18:22","startHours":17.37201154091478,"endHours":18.37201154091478,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:22","end":"19:22","startHours":18.37201154091478,"endHours":19.37201154091478,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:22","end":"20:22","startHours":19.37201154091478,"endHours":20.37201154091478,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:22","end":"21:22","startHours":20.37201154091478,"endHours":21.37201154091478,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:22","end":"22:22","startHours":21.37201154091478,"endHours":22.37201154091478,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:22","end":"23:22","startHours":22.37201154091478,"endHours":23.37201154091478,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:22","end":"00:22","startHours":23.37201154091478,"endHours":24.37201154091478,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:22","end":"01:22","startHours":24.37201154091478,"endHours":25.37201154091478,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:22","end":"02:22","startHours":25.37201154091478,"endHours":26.37201154091478,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:22","end":"03:22","startHours":26.37201154091478,"endHours":27.37201154091478,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:22","end":"04:22","startHours":27.37201154091478,"endHours":28.37201154091478,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:22","end":"05:22","startHours":28.37201154091478,"endHours":29.37201154091478,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","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":-13.23919743736783,"eotMinutes":16.40359573949132,"ayanamsa":26.0996}},"calendars":{"vikram_samvat":2217,"vikram_samvatsara":"Śrīmukha","saka_samvat":2082,"saka_samvatsara":"Raudra","bengali_samvat":1567,"malayalam_era":1336,"nanakshahi_year":691,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Kārtika","lunar_month_amanta":"Āśvina","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 Kṛṣṇa Caturdaśī · Vikram 2217 Śrīmukha · Śaka 2082 Raudra"},"festivals":[{"id":"naraka-chaturdashi","name":"Naraka Caturdaśī (Choṭī Diwālī)","name_sanskrit":"नरक चतुर्दशी","tradition":"Vaishnava","associated_deity":"Krishna (Narakāsura-vadha)","significance":"Krishna slew Narakāsura, freeing 16,000 captive princesses. Day 2 of Diwali.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa","lunar_month":"Kārtika"},"precedence":2,"sources":["Bhāgavata 10.59"]},{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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 October 28, 2160 CE · Perth, Australia · Vidhyamitra","description":"October 28, 2160 CE for Perth, Australia: Kṛṣṇa Caturdaśī, sūryodaya 05:22, sūryāsta 18:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2160-10-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2160-10-28","sa":"https://sa.vidhyamitra.com/city/perth/2160-10-28","hi":"https://hi.vidhyamitra.com/city/perth/2160-10-28","x-default":"https://vidhyamitra.com/city/perth/2160-10-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:37:24.108Z","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":"2026-05-31T09:37:24.108Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:37:24.108Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}