{"id":"vidhyamitra:city-day:perth:2115-10-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2115-10-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2115-10-13","date_display":"October 13, 2115 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":2115,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493832.770833,"kali_year":5217,"ahargana":1905367.2708,"sun":{"sidereal_longitude":172.6817,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":111.6462,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.9644,"elapsed_within_tithi_degrees":10.9644},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.6462,"elapsed_within_degrees":4.9795},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.3279},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2115,"month":10,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2493832.770833,"ahargana":1905367.2708,"kali_year":5217,"ayanamsa_lahiri":25.4703,"grahas":{"sun":{"sidereal_longitude":173.70270699999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":111.77470699999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false,"latitude":4.4945},"mars":{"sidereal_longitude":166.95380699999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":164.8875069999999,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":266.103107,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":194.98650700000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":354.985007,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":24.4727,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.4727,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2115,"month":10,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2493832.770833,"kali_year":5217,"ahargana":1905367.2708,"sun":{"sidereal_longitude":172.6817,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":111.6462,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.9644,"elapsed_within_tithi_degrees":10.9644},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":111.6462,"elapsed_within_degrees":4.9795},"yoga":{"number":22,"name":"Sādhya","sum_longitude":284.3279},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.495,"elongation":61.036},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.495,"opposition_distance":118.964}},"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":"05:39","sunsetLocal":"18:25","solarNoonLocal":"12:02","dayLengthHours":12.761014873089811,"dayLengthDisplay":"12 Hours 45 Mins 40 Secs","nightLengthDisplay":"11 Hours 14 Mins 20 Secs","moonriseLocal":"02:32","moonsetLocal":"13:17","rahuKala":{"name":"Rāhu Kāla","start":"16:49","end":"18:25","startHours":16.820640090607423,"endHours":18.41576694974365,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:02","end":"13:38","startHours":12.035259513198742,"endHours":13.63038637233497,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:14","end":"16:49","startHours":15.225513231471195,"endHours":16.820640090607423,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.632322213708127,"endHours":9.057689376144454,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:11","end":"06:32","startHours":6.186461029699246,"endHours":6.526754759648308,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:28","startHours":11.609892350762415,"endHours":12.46062667563507,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:48","startHours":3.953283426908529,"endHours":4.804017751781183,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:39","startHours":4.5913341705630195,"endHours":5.654752076653837,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:01","startHours":14.162095325380378,"endHours":15.012829650253032,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.21576694974365,"endHours":18.615766949743648,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:57","startHours":18.41576694974365,"endHours":18.94747590278906,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.16576694974365,"endHours":19.91576694974365,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:28","startHours":23.609892350762415,"endHours":24.46062667563507,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:39","end":"07:15","startHours":5.654752076653837,"endHours":7.249878935790064,"quality":"inauspicious"},{"name":"Chala","start":"07:15","end":"08:51","startHours":7.249878935790064,"endHours":8.84500579492629,"quality":"neutral"},{"name":"Labha","start":"08:51","end":"10:26","startHours":8.84500579492629,"endHours":10.440132654062516,"quality":"auspicious"},{"name":"Amṛta","start":"10:26","end":"12:02","startHours":10.440132654062516,"endHours":12.035259513198742,"quality":"auspicious"},{"name":"Kāla","start":"12:02","end":"13:38","startHours":12.035259513198742,"endHours":13.63038637233497,"quality":"inauspicious"},{"name":"Śubha","start":"13:38","end":"15:14","startHours":13.63038637233497,"endHours":15.225513231471195,"quality":"auspicious"},{"name":"Roga","start":"15:14","end":"16:49","startHours":15.225513231471195,"endHours":16.820640090607423,"quality":"inauspicious"},{"name":"Udveg","start":"16:49","end":"18:25","startHours":16.820640090607423,"endHours":18.41576694974365,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:25","end":"19:49","startHours":18.41576694974365,"endHours":19.820640090607423,"quality":"auspicious"},{"name":"Roga","start":"19:49","end":"21:14","startHours":19.820640090607423,"endHours":21.225513231471197,"quality":"inauspicious"},{"name":"Udveg","start":"21:14","end":"22:38","startHours":21.225513231471197,"endHours":22.630386372334968,"quality":"inauspicious"},{"name":"Chala","start":"22:38","end":"00:02","startHours":22.630386372334968,"endHours":24.035259513198742,"quality":"neutral"},{"name":"Labha","start":"00:02","end":"01:26","startHours":24.035259513198742,"endHours":25.440132654062516,"quality":"auspicious"},{"name":"Amṛta","start":"01:26","end":"02:51","startHours":25.440132654062516,"endHours":26.84500579492629,"quality":"auspicious"},{"name":"Kāla","start":"02:51","end":"04:15","startHours":26.84500579492629,"endHours":28.249878935790065,"quality":"inauspicious"},{"name":"Śubha","start":"04:15","end":"05:39","startHours":28.249878935790065,"endHours":29.654752076653836,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:39","end":"06:39","startHours":5.654752076653837,"endHours":6.654752076653837,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:39","end":"07:39","startHours":6.654752076653837,"endHours":7.654752076653837,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:39","end":"08:39","startHours":7.654752076653837,"endHours":8.654752076653837,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:39","end":"09:39","startHours":8.654752076653837,"endHours":9.654752076653837,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:39","end":"10:39","startHours":9.654752076653837,"endHours":10.654752076653837,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:39","end":"11:39","startHours":10.654752076653837,"endHours":11.654752076653837,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:39","end":"12:39","startHours":11.654752076653837,"endHours":12.654752076653837,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:39","end":"13:39","startHours":12.654752076653837,"endHours":13.654752076653837,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:39","end":"14:39","startHours":13.654752076653837,"endHours":14.654752076653837,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:39","end":"15:39","startHours":14.654752076653837,"endHours":15.654752076653837,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:39","end":"16:39","startHours":15.654752076653837,"endHours":16.654752076653836,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:39","end":"17:39","startHours":16.654752076653836,"endHours":17.654752076653836,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:39","end":"18:39","startHours":17.654752076653836,"endHours":18.654752076653836,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:39","end":"19:39","startHours":18.654752076653836,"endHours":19.654752076653836,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:39","end":"20:39","startHours":19.654752076653836,"endHours":20.654752076653836,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:39","end":"21:39","startHours":20.654752076653836,"endHours":21.654752076653836,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:39","end":"22:39","startHours":21.654752076653836,"endHours":22.654752076653836,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:39","end":"23:39","startHours":22.654752076653836,"endHours":23.654752076653836,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:39","end":"00:39","startHours":23.654752076653836,"endHours":24.654752076653836,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:39","end":"01:39","startHours":24.654752076653836,"endHours":25.654752076653836,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:39","end":"02:39","startHours":25.654752076653836,"endHours":26.654752076653836,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:39","end":"03:39","startHours":26.654752076653836,"endHours":27.654752076653836,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:39","end":"04:39","startHours":27.654752076653836,"endHours":28.654752076653836,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:39","end":"05:39","startHours":28.654752076653836,"endHours":29.654752076653836,"planetary_lord":"Jupiter"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-7.505650664045005,"eotMinutes":14.442429208075392,"ayanamsa":25.4703}},"calendars":{"vikram_samvat":2172,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2037,"saka_samvatsara":"Yuva","bengali_samvat":1522,"malayalam_era":1291,"nanakshahi_year":646,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Daśamī · Vikram 2172 Sarvadhāri · Śaka 2037 Yuva"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 13, 2115 CE · Perth, Australia · Vidhyamitra","description":"October 13, 2115 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:39, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2115-10-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2115-10-13","sa":"https://sa.vidhyamitra.com/city/perth/2115-10-13","hi":"https://hi.vidhyamitra.com/city/perth/2115-10-13","x-default":"https://vidhyamitra.com/city/perth/2115-10-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T18:06:43.585Z","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":"2026-05-22T18:06:43.585Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T18:06:43.585Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}