{"id":"vidhyamitra:city-day:perth:2161-10-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2161-10-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2161-10-10","date_display":"October 10, 2161 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":2161,"month":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510631.770833,"kali_year":5263,"ahargana":1922166.2708,"sun":{"sidereal_longitude":169.8119,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":56.193,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.381,"elapsed_within_tithi_degrees":6.381},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.193,"elapsed_within_degrees":2.8596},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.0049},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"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":2161,"month":10,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2510631.770833,"ahargana":1922166.2708,"kali_year":5263,"ayanamsa_lahiri":26.1128,"grahas":{"sun":{"sidereal_longitude":170.94766100000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":53.35286100000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":-1.6706},"mars":{"sidereal_longitude":311.253061,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":158.98466099999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":224.42906100000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":157.02736099999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":202.95346100000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":214.3809,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.3809,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2161,"month":10,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510631.770833,"kali_year":5263,"ahargana":1922166.2708,"sun":{"sidereal_longitude":169.8119,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":56.193,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.381,"elapsed_within_tithi_degrees":6.381},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":56.193,"elapsed_within_degrees":2.8596},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":226.0049},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.671,"elongation":113.619},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.671,"opposition_distance":66.381}},"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":"05:42","sunsetLocal":"18:24","solarNoonLocal":"12:03","dayLengthHours":12.69251729275826,"dayLengthDisplay":"12 Hours 41 Mins 33 Secs","nightLengthDisplay":"11 Hours 18 Mins 27 Secs","moonriseLocal":"23:11","moonsetLocal":"09:14","rahuKala":{"name":"Rāhu Kāla","start":"08:52","end":"10:28","startHours":8.873779908944272,"endHours":10.460344570539055,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:13","startHours":13.63347389372862,"endHours":15.220038555323402,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:42","end":"07:17","startHours":5.700650585754707,"endHours":7.28721524734949,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:40","end":"09:05","startHours":8.662237954064969,"endHours":9.085321863823577,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:14","end":"06:34","startHours":6.229505472952968,"endHours":6.567972600759855,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.62382532237523,"endHours":12.469993141892447,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:00","end":"04:51","startHours":4.008314946720272,"endHours":4.85448276623749,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:39","end":"05:42","startHours":4.642940811358185,"endHours":5.700650585754707,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:01","startHours":14.162328780926881,"endHours":15.008496600444099,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.19316787851297,"endHours":18.59316787851297,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:55","startHours":18.39316787851297,"endHours":18.92202276571123,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.14316787851297,"endHours":19.89316787851297,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.62382532237523,"endHours":24.46999314189245,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:42","end":"07:17","startHours":5.700650585754707,"endHours":7.28721524734949,"quality":"inauspicious"},{"name":"Śubha","start":"07:17","end":"08:52","startHours":7.28721524734949,"endHours":8.873779908944272,"quality":"auspicious"},{"name":"Roga","start":"08:52","end":"10:28","startHours":8.873779908944272,"endHours":10.460344570539055,"quality":"inauspicious"},{"name":"Udveg","start":"10:28","end":"12:03","startHours":10.460344570539055,"endHours":12.046909232133839,"quality":"inauspicious"},{"name":"Chala","start":"12:03","end":"13:38","startHours":12.046909232133839,"endHours":13.63347389372862,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:13","startHours":13.63347389372862,"endHours":15.220038555323402,"quality":"auspicious"},{"name":"Amṛta","start":"15:13","end":"16:48","startHours":15.220038555323402,"endHours":16.806603216918187,"quality":"auspicious"},{"name":"Kāla","start":"16:48","end":"18:24","startHours":16.806603216918187,"endHours":18.39316787851297,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:24","end":"19:48","startHours":18.39316787851297,"endHours":19.806603216918187,"quality":"auspicious"},{"name":"Amṛta","start":"19:48","end":"21:13","startHours":19.806603216918187,"endHours":21.220038555323406,"quality":"auspicious"},{"name":"Kāla","start":"21:13","end":"22:38","startHours":21.220038555323406,"endHours":22.63347389372862,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:03","startHours":22.63347389372862,"endHours":24.04690923213384,"quality":"auspicious"},{"name":"Roga","start":"00:03","end":"01:28","startHours":24.04690923213384,"endHours":25.460344570539057,"quality":"inauspicious"},{"name":"Udveg","start":"01:28","end":"02:52","startHours":25.460344570539057,"endHours":26.87377990894427,"quality":"inauspicious"},{"name":"Chala","start":"02:52","end":"04:17","startHours":26.87377990894427,"endHours":28.28721524734949,"quality":"neutral"},{"name":"Labha","start":"04:17","end":"05:42","startHours":28.28721524734949,"endHours":29.70065058575471,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.700650585754707,"endHours":6.700650585754707,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.700650585754707,"endHours":7.700650585754707,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.700650585754707,"endHours":8.700650585754708,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.700650585754708,"endHours":9.700650585754708,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.700650585754708,"endHours":10.700650585754708,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.700650585754708,"endHours":11.700650585754708,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.700650585754708,"endHours":12.700650585754708,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.700650585754708,"endHours":13.700650585754708,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.700650585754708,"endHours":14.700650585754708,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.700650585754708,"endHours":15.700650585754708,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.700650585754708,"endHours":16.70065058575471,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.70065058575471,"endHours":17.70065058575471,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.70065058575471,"endHours":18.70065058575471,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.70065058575471,"endHours":19.70065058575471,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.70065058575471,"endHours":20.70065058575471,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.70065058575471,"endHours":21.70065058575471,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.70065058575471,"endHours":22.70065058575471,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.70065058575471,"endHours":23.70065058575471,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.70065058575471,"endHours":24.70065058575471,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.70065058575471,"endHours":25.70065058575471,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.70065058575471,"endHours":26.70065058575471,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.70065058575471,"endHours":27.70065058575471,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.70065058575471,"endHours":28.70065058575471,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.70065058575471,"endHours":29.70065058575471,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-6.70093926430172,"eotMinutes":13.743446071969673,"ayanamsa":26.1128}},"calendars":{"vikram_samvat":2218,"vikram_samvatsara":"Bhāva","saka_samvat":2083,"saka_samvatsara":"Durmati","bengali_samvat":1568,"malayalam_era":1337,"nanakshahi_year":692,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Ṣaṣṭhī · Vikram 2218 Bhāva · Śaka 2083 Durmati"},"festivals":[],"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 October 10, 2161 CE · Perth, Australia · Vidhyamitra","description":"October 10, 2161 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:42, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2161-10-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2161-10-10","sa":"https://sa.vidhyamitra.com/city/perth/2161-10-10","hi":"https://hi.vidhyamitra.com/city/perth/2161-10-10","x-default":"https://vidhyamitra.com/city/perth/2161-10-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T09:01:49.275Z","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":"2026-06-02T09:01:49.275Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T09:01:49.275Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}