{"id":"vidhyamitra:city-day:perth:2153-09-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2153-09-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2153-09-16","date_display":"September 16, 2153 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":2153,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507685.770833,"kali_year":5255,"ahargana":1919220.2708,"sun":{"sidereal_longitude":146.3756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":115.7393,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.3637,"elapsed_within_tithi_degrees":5.3637},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.7393,"elapsed_within_degrees":9.0726},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.1148},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2153,"month":9,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507685.770833,"ahargana":1919220.2708,"kali_year":5255,"ayanamsa_lahiri":26.0002,"grahas":{"sun":{"sidereal_longitude":147.47382,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":116.58892000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false,"latitude":4.3409},"mars":{"sidereal_longitude":190.31831999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":170.21471999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":0.08712000000002718,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":126.81241999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":111.38991999999996,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":10.4741,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":190.4741,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2153,"month":9,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507685.770833,"kali_year":5255,"ahargana":1919220.2708,"sun":{"sidereal_longitude":146.3756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":115.7393,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.3637,"elapsed_within_tithi_degrees":5.3637},"nakshatra":{"number":9,"name":"Āśleṣā","pada":3,"moon_longitude":115.7393,"elapsed_within_degrees":9.0726},"yoga":{"number":20,"name":"Śiva","sum_longitude":262.1148},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.341,"elongation":30.636},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.341,"opposition_distance":149.364}},"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":"06:13","sunsetLocal":"18:08","solarNoonLocal":"12:11","dayLengthHours":11.915431617151611,"dayLengthDisplay":"11 Hours 54 Mins 56 Secs","nightLengthDisplay":"12 Hours 05 Mins 04 Secs","moonriseLocal":"04:40","moonsetLocal":"15:34","rahuKala":{"name":"Rāhu Kāla","start":"16:39","end":"18:08","startHours":16.646448339253045,"endHours":18.135877291396994,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:11","end":"13:40","startHours":12.178161482821189,"endHours":13.667590434965142,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:09","end":"16:39","startHours":15.157019387109091,"endHours":16.646448339253045,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:24","startHours":9.00071305158076,"endHours":9.397894105485813,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:43","end":"07:02","startHours":6.716921991626701,"endHours":7.034666834750744,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:35","startHours":11.780980428916134,"endHours":12.575342536726243,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:26","startHours":4.631721458625169,"endHours":5.426083566435277,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:13","startHours":5.2274930394827495,"endHours":6.220445674245384,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:58","startHours":14.164066752346457,"endHours":14.958428860156564,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:56","end":"18:20","startHours":17.935877291396995,"endHours":18.335877291396994,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:08","end":"18:38","startHours":18.135877291396994,"endHours":18.63235360877831,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:53","end":"19:38","startHours":17.885877291396994,"endHours":19.635877291396994,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:35","startHours":23.780980428916134,"endHours":24.575342536726243,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:13","end":"07:43","startHours":6.220445674245384,"endHours":7.709874626389335,"quality":"inauspicious"},{"name":"Chala","start":"07:43","end":"09:12","startHours":7.709874626389335,"endHours":9.199303578533286,"quality":"neutral"},{"name":"Labha","start":"09:12","end":"10:41","startHours":9.199303578533286,"endHours":10.688732530677239,"quality":"auspicious"},{"name":"Amṛta","start":"10:41","end":"12:11","startHours":10.688732530677239,"endHours":12.178161482821189,"quality":"auspicious"},{"name":"Kāla","start":"12:11","end":"13:40","startHours":12.178161482821189,"endHours":13.667590434965142,"quality":"inauspicious"},{"name":"Śubha","start":"13:40","end":"15:09","startHours":13.667590434965142,"endHours":15.157019387109091,"quality":"auspicious"},{"name":"Roga","start":"15:09","end":"16:39","startHours":15.157019387109091,"endHours":16.646448339253045,"quality":"inauspicious"},{"name":"Udveg","start":"16:39","end":"18:08","startHours":16.646448339253045,"endHours":18.135877291396994,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:08","end":"19:39","startHours":18.135877291396994,"endHours":19.64644833925304,"quality":"auspicious"},{"name":"Roga","start":"19:39","end":"21:09","startHours":19.64644833925304,"endHours":21.15701938710909,"quality":"inauspicious"},{"name":"Udveg","start":"21:09","end":"22:40","startHours":21.15701938710909,"endHours":22.667590434965142,"quality":"inauspicious"},{"name":"Chala","start":"22:40","end":"00:11","startHours":22.667590434965142,"endHours":24.17816148282119,"quality":"neutral"},{"name":"Labha","start":"00:11","end":"01:41","startHours":24.17816148282119,"endHours":25.688732530677235,"quality":"auspicious"},{"name":"Amṛta","start":"01:41","end":"03:12","startHours":25.688732530677235,"endHours":27.199303578533286,"quality":"auspicious"},{"name":"Kāla","start":"03:12","end":"04:43","startHours":27.199303578533286,"endHours":28.709874626389336,"quality":"inauspicious"},{"name":"Śubha","start":"04:43","end":"06:13","startHours":28.709874626389336,"endHours":30.220445674245383,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:13","end":"07:13","startHours":6.220445674245384,"endHours":7.220445674245384,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:13","end":"08:13","startHours":7.220445674245384,"endHours":8.220445674245383,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:13","end":"09:13","startHours":8.220445674245383,"endHours":9.220445674245383,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:13","end":"10:13","startHours":9.220445674245383,"endHours":10.220445674245383,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:13","end":"11:13","startHours":10.220445674245383,"endHours":11.220445674245383,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:13","end":"12:13","startHours":11.220445674245383,"endHours":12.220445674245383,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:13","end":"13:13","startHours":12.220445674245383,"endHours":13.220445674245383,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:13","end":"14:13","startHours":13.220445674245383,"endHours":14.220445674245383,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:13","end":"15:13","startHours":14.220445674245383,"endHours":15.220445674245383,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:13","end":"16:13","startHours":15.220445674245383,"endHours":16.220445674245383,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:13","end":"17:13","startHours":16.220445674245383,"endHours":17.220445674245383,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:13","end":"18:13","startHours":17.220445674245383,"endHours":18.220445674245383,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:13","end":"19:13","startHours":18.220445674245383,"endHours":19.220445674245383,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:13","end":"20:13","startHours":19.220445674245383,"endHours":20.220445674245383,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:13","end":"21:13","startHours":20.220445674245383,"endHours":21.220445674245383,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:13","end":"22:13","startHours":21.220445674245383,"endHours":22.220445674245383,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:13","end":"23:13","startHours":22.220445674245383,"endHours":23.220445674245383,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:13","end":"00:13","startHours":23.220445674245383,"endHours":24.220445674245383,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:13","end":"01:13","startHours":24.220445674245383,"endHours":25.220445674245383,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:13","end":"02:13","startHours":25.220445674245383,"endHours":26.220445674245383,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:13","end":"03:13","startHours":26.220445674245383,"endHours":27.220445674245383,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:13","end":"04:13","startHours":27.220445674245383,"endHours":28.220445674245383,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:13","end":"05:13","startHours":28.220445674245383,"endHours":29.220445674245383,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:13","end":"06:13","startHours":29.220445674245383,"endHours":30.220445674245383,"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"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.5908684110310194,"eotMinutes":5.868311030728706,"ayanamsa":26.0002}},"calendars":{"vikram_samvat":2210,"vikram_samvatsara":"Akṣaya","saka_samvat":2075,"saka_samvatsara":"Pramādī","bengali_samvat":1560,"malayalam_era":1329,"nanakshahi_year":684,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Trayodaśī · Vikram 2210 Akṣaya · Śaka 2075 Pramādī"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 September 16, 2153 CE · Perth, Australia · Vidhyamitra","description":"September 16, 2153 CE for Perth, Australia: Kṛṣṇa Trayodaśī, sūryodaya 06:13, sūryāsta 18:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2153-09-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2153-09-16","sa":"https://sa.vidhyamitra.com/city/perth/2153-09-16","hi":"https://hi.vidhyamitra.com/city/perth/2153-09-16","x-default":"https://vidhyamitra.com/city/perth/2153-09-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:08:07.688Z","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":"2026-05-31T19:08:07.688Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:08:07.688Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}