{"id":"vidhyamitra:city-day:perth:2155-09-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2155-09-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-09-15","date_display":"September 15, 2155 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":2155,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508414.770833,"kali_year":5257,"ahargana":1919949.2708,"sun":{"sidereal_longitude":144.9021,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":13.5665,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":228.6644,"elapsed_within_tithi_degrees":0.6644},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.5665,"elapsed_within_degrees":0.2332},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.4686},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2155,"month":9,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508414.770833,"ahargana":1919949.2708,"kali_year":5257,"ayanamsa_lahiri":26.0281,"grahas":{"sun":{"sidereal_longitude":146.001167,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":14.518367000000012,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":2.9929},"mars":{"sidereal_longitude":204.37356699999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":126.03596700000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":69.30426699999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":162.58536700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":134.83466699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":331.8482,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":151.8482,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2155,"month":9,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508414.770833,"kali_year":5257,"ahargana":1919949.2708,"sun":{"sidereal_longitude":144.9021,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":13.5665,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":228.6644,"elapsed_within_tithi_degrees":0.6644},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.5665,"elapsed_within_degrees":0.2332},"yoga":{"number":12,"name":"Dhruva","sum_longitude":158.4686},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.993,"elongation":131.336},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.993,"opposition_distance":48.664}},"eclipse_window_40days":[{"offset_days":-4,"type":"lunar","occurs":true,"moon_latitude":-1.019,"opposition_distance":2.063}]},"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":"06:15","sunsetLocal":"18:07","solarNoonLocal":"12:11","dayLengthHours":11.86791185371927,"dayLengthDisplay":"11 Hours 52 Mins 04 Secs","nightLengthDisplay":"12 Hours 07 Mins 56 Secs","moonriseLocal":"22:01","moonsetLocal":"08:50","rahuKala":{"name":"Rāhu Kāla","start":"07:44","end":"09:13","startHours":7.7338885017985675,"endHours":9.217377483513477,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:11","startHours":10.700866465228385,"endHours":12.184355446943293,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"15:09","startHours":13.667844428658203,"endHours":15.151333410373113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:25","startHours":9.019578952618154,"endHours":9.415176014408797,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.744895847321962,"endHours":7.0613734967544755,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:47","end":"12:35","startHours":11.78875838515265,"endHours":12.579952508733935,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:40","end":"05:28","startHours":4.668011272921089,"endHours":5.459205396502374,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:16","end":"06:15","startHours":5.261406865607053,"endHours":6.250399520083659,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:57","startHours":14.162340755896505,"endHours":14.95353487947779,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:55","end":"18:19","startHours":17.91831137380293,"endHours":18.318311373802928,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:07","end":"18:37","startHours":18.11831137380293,"endHours":18.61280770104123,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:52","end":"19:37","startHours":17.86831137380293,"endHours":19.61831137380293,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:47","end":"00:35","startHours":23.78875838515265,"endHours":24.579952508733935,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:15","end":"07:44","startHours":6.250399520083659,"endHours":7.7338885017985675,"quality":"auspicious"},{"name":"Kāla","start":"07:44","end":"09:13","startHours":7.7338885017985675,"endHours":9.217377483513477,"quality":"inauspicious"},{"name":"Śubha","start":"09:13","end":"10:42","startHours":9.217377483513477,"endHours":10.700866465228385,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:11","startHours":10.700866465228385,"endHours":12.184355446943293,"quality":"inauspicious"},{"name":"Udveg","start":"12:11","end":"13:40","startHours":12.184355446943293,"endHours":13.667844428658203,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"15:09","startHours":13.667844428658203,"endHours":15.151333410373113,"quality":"neutral"},{"name":"Labha","start":"15:09","end":"16:38","startHours":15.151333410373113,"endHours":16.63482239208802,"quality":"auspicious"},{"name":"Amṛta","start":"16:38","end":"18:07","startHours":16.63482239208802,"endHours":18.11831137380293,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:07","end":"19:38","startHours":18.11831137380293,"endHours":19.63482239208802,"quality":"neutral"},{"name":"Labha","start":"19:38","end":"21:09","startHours":19.63482239208802,"endHours":21.151333410373113,"quality":"auspicious"},{"name":"Amṛta","start":"21:09","end":"22:40","startHours":21.151333410373113,"endHours":22.667844428658203,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:11","startHours":22.667844428658203,"endHours":24.184355446943293,"quality":"inauspicious"},{"name":"Śubha","start":"00:11","end":"01:42","startHours":24.184355446943293,"endHours":25.700866465228383,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:13","startHours":25.700866465228383,"endHours":27.217377483513474,"quality":"inauspicious"},{"name":"Udveg","start":"03:13","end":"04:44","startHours":27.217377483513474,"endHours":28.733888501798567,"quality":"inauspicious"},{"name":"Chala","start":"04:44","end":"06:15","startHours":28.733888501798567,"endHours":30.250399520083658,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:15","end":"07:15","startHours":6.250399520083659,"endHours":7.250399520083659,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:15","end":"08:15","startHours":7.250399520083659,"endHours":8.250399520083658,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:15","end":"09:15","startHours":8.250399520083658,"endHours":9.250399520083658,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:15","end":"10:15","startHours":9.250399520083658,"endHours":10.250399520083658,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:15","end":"11:15","startHours":10.250399520083658,"endHours":11.250399520083658,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:15","end":"12:15","startHours":11.250399520083658,"endHours":12.250399520083658,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:15","end":"13:15","startHours":12.250399520083658,"endHours":13.250399520083658,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:15","end":"14:15","startHours":13.250399520083658,"endHours":14.250399520083658,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:15","end":"15:15","startHours":14.250399520083658,"endHours":15.250399520083658,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:15","end":"16:15","startHours":15.250399520083658,"endHours":16.250399520083658,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:15","end":"17:15","startHours":16.250399520083658,"endHours":17.250399520083658,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:15","end":"18:15","startHours":17.250399520083658,"endHours":18.250399520083658,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:15","end":"19:15","startHours":18.250399520083658,"endHours":19.250399520083658,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:15","end":"20:15","startHours":19.250399520083658,"endHours":20.250399520083658,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:15","end":"21:15","startHours":20.250399520083658,"endHours":21.250399520083658,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:15","end":"22:15","startHours":21.250399520083658,"endHours":22.250399520083658,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:15","end":"23:15","startHours":22.250399520083658,"endHours":23.250399520083658,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:15","end":"00:15","startHours":23.250399520083658,"endHours":24.250399520083658,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:15","end":"01:15","startHours":24.250399520083658,"endHours":25.250399520083658,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:15","end":"02:15","startHours":25.250399520083658,"endHours":26.250399520083658,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:15","end":"03:15","startHours":26.250399520083658,"endHours":27.250399520083658,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:15","end":"04:15","startHours":27.250399520083658,"endHours":28.250399520083658,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:15","end":"05:15","startHours":28.250399520083658,"endHours":29.250399520083658,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:15","end":"06:15","startHours":29.250399520083658,"endHours":30.250399520083658,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","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":3.1616077421689313,"eotMinutes":5.496673183402374,"ayanamsa":26.0281}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"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":"Siṃha (Āvaṇi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Pañcamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 15, 2155 CE · Perth, Australia · Vidhyamitra","description":"September 15, 2155 CE for Perth, Australia: Kṛṣṇa Pañcamī, sūryodaya 06:15, sūryāsta 18:07.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2155-09-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2155-09-15","sa":"https://sa.vidhyamitra.com/city/perth/2155-09-15","hi":"https://hi.vidhyamitra.com/city/perth/2155-09-15","x-default":"https://vidhyamitra.com/city/perth/2155-09-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:47:28.484Z","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":"2026-06-01T15:47:28.484Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:47:28.484Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}