{"id":"vidhyamitra:city-day:perth:2117-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2117-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2117-10-16","date_display":"October 16, 2117 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":2117,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494566.770833,"kali_year":5219,"ahargana":1906101.2708,"sun":{"sidereal_longitude":176.1325,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":58.4992,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.3667,"elapsed_within_tithi_degrees":2.3667},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.4992,"elapsed_within_degrees":5.1659},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.6317},"karana":{"half_tithi_index":40,"name":"Gara"},"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":2117,"month":10,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2494566.770833,"ahargana":1906101.2708,"kali_year":5219,"ayanamsa_lahiri":25.4984,"grahas":{"sun":{"sidereal_longitude":177.15356199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":55.501761999999985,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":4.3011},"mars":{"sidereal_longitude":181.71486200000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":194.96976199999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":339.690962,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":221.18586200000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":23.719561999999996,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":345.5819,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":165.5819,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2117,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494566.770833,"kali_year":5219,"ahargana":1906101.2708,"sun":{"sidereal_longitude":176.1325,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":58.4992,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":242.3667,"elapsed_within_tithi_degrees":2.3667},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":58.4992,"elapsed_within_degrees":5.1659},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.6317},"karana":{"half_tithi_index":40,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.301,"elongation":117.633},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.301,"opposition_distance":62.367}},"eclipse_window_40days":[{"offset_days":-20,"type":"solar","occurs":true,"moon_latitude":0.843,"elongation":0.591}]},"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":"05:35","sunsetLocal":"18:28","solarNoonLocal":"12:02","dayLengthHours":12.872890629550128,"dayLengthDisplay":"12 Hours 52 Mins 22 Secs","nightLengthDisplay":"11 Hours 07 Mins 38 Secs","moonriseLocal":"22:54","moonsetLocal":"08:56","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:25","startHours":8.806948516426118,"endHours":10.416059845119886,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:38","end":"15:15","startHours":13.634282502507418,"endHours":15.243393831201182,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:12","startHours":5.588725859038587,"endHours":7.197837187732353,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:01","startHours":8.59240033926695,"endHours":9.021496693585288,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:08","end":"06:28","startHours":6.125096301936509,"endHours":6.468373385391179,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:36","end":"12:27","startHours":11.596074819495312,"endHours":12.454267528131988,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:52","end":"04:44","startHours":3.8723404417652367,"endHours":4.730533150401912,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:31","end":"05:35","startHours":4.515984973242743,"endHours":5.588725859038587,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:02","startHours":14.17065294540534,"endHours":15.028845654042016,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.261616488588714,"endHours":18.661616488588713,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.461616488588714,"endHours":18.997986931486636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.211616488588714,"endHours":19.961616488588714,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:36","end":"00:27","startHours":23.596074819495314,"endHours":24.454267528131986,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:12","startHours":5.588725859038587,"endHours":7.197837187732353,"quality":"inauspicious"},{"name":"Śubha","start":"07:12","end":"08:48","startHours":7.197837187732353,"endHours":8.806948516426118,"quality":"auspicious"},{"name":"Roga","start":"08:48","end":"10:25","startHours":8.806948516426118,"endHours":10.416059845119886,"quality":"inauspicious"},{"name":"Udveg","start":"10:25","end":"12:02","startHours":10.416059845119886,"endHours":12.02517117381365,"quality":"inauspicious"},{"name":"Chala","start":"12:02","end":"13:38","startHours":12.02517117381365,"endHours":13.634282502507418,"quality":"neutral"},{"name":"Labha","start":"13:38","end":"15:15","startHours":13.634282502507418,"endHours":15.243393831201182,"quality":"auspicious"},{"name":"Amṛta","start":"15:15","end":"16:51","startHours":15.243393831201182,"endHours":16.85250515989495,"quality":"auspicious"},{"name":"Kāla","start":"16:51","end":"18:28","startHours":16.85250515989495,"endHours":18.461616488588714,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:28","end":"19:51","startHours":18.461616488588714,"endHours":19.852505159894946,"quality":"auspicious"},{"name":"Amṛta","start":"19:51","end":"21:15","startHours":19.852505159894946,"endHours":21.243393831201182,"quality":"auspicious"},{"name":"Kāla","start":"21:15","end":"22:38","startHours":21.243393831201182,"endHours":22.634282502507418,"quality":"inauspicious"},{"name":"Śubha","start":"22:38","end":"00:02","startHours":22.634282502507418,"endHours":24.02517117381365,"quality":"auspicious"},{"name":"Roga","start":"00:02","end":"01:25","startHours":24.02517117381365,"endHours":25.416059845119882,"quality":"inauspicious"},{"name":"Udveg","start":"01:25","end":"02:48","startHours":25.416059845119882,"endHours":26.806948516426118,"quality":"inauspicious"},{"name":"Chala","start":"02:48","end":"04:12","startHours":26.806948516426118,"endHours":28.197837187732354,"quality":"neutral"},{"name":"Labha","start":"04:12","end":"05:35","startHours":28.197837187732354,"endHours":29.588725859038586,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.588725859038587,"endHours":6.588725859038587,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.588725859038587,"endHours":7.588725859038587,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.588725859038587,"endHours":8.588725859038586,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.588725859038586,"endHours":9.588725859038586,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.588725859038586,"endHours":10.588725859038586,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.588725859038586,"endHours":11.588725859038586,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.588725859038586,"endHours":12.588725859038586,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.588725859038586,"endHours":13.588725859038586,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.588725859038586,"endHours":14.588725859038586,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.588725859038586,"endHours":15.588725859038586,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.588725859038586,"endHours":16.588725859038586,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.588725859038586,"endHours":17.588725859038586,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.588725859038586,"endHours":18.588725859038586,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.588725859038586,"endHours":19.588725859038586,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.588725859038586,"endHours":20.588725859038586,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.588725859038586,"endHours":21.588725859038586,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.588725859038586,"endHours":22.588725859038586,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.588725859038586,"endHours":23.588725859038586,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.588725859038586,"endHours":24.588725859038586,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.588725859038586,"endHours":25.588725859038586,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.588725859038586,"endHours":26.588725859038586,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.588725859038586,"endHours":27.588725859038586,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.588725859038586,"endHours":28.588725859038586,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.588725859038586,"endHours":29.588725859038586,"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":-8.811238301004273,"eotMinutes":15.04772957118102,"ayanamsa":25.4984}},"calendars":{"vikram_samvat":2174,"vikram_samvatsara":"Vikṛti","saka_samvat":2039,"saka_samvatsara":"Īśvara","bengali_samvat":1524,"malayalam_era":1293,"nanakshahi_year":648,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Ṣaṣṭhī · Vikram 2174 Vikṛti · Śaka 2039 Īśvara"},"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 16, 2117 CE · Perth, Australia · Vidhyamitra","description":"October 16, 2117 CE for Perth, Australia: Kṛṣṇa Ṣaṣṭhī, sūryodaya 05:35, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2117-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2117-10-16","sa":"https://sa.vidhyamitra.com/city/perth/2117-10-16","hi":"https://hi.vidhyamitra.com/city/perth/2117-10-16","x-default":"https://vidhyamitra.com/city/perth/2117-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:04:31.818Z","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":"2026-06-01T02:04:31.818Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:04:31.818Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}