{"id":"vidhyamitra:city-day:perth:2103-05-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2103-05-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2103-05-12","date_display":"May 12, 2103 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":2103,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489295.770833,"kali_year":5205,"ahargana":1900830.2708,"sun":{"sidereal_longitude":25.2228,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":93.0496,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.8269,"elapsed_within_tithi_degrees":7.8269},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.0496,"elapsed_within_degrees":13.0496},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.2724},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2103,"month":5,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2489295.770833,"ahargana":1900830.2708,"kali_year":5205,"ayanamsa_lahiri":25.2968,"grahas":{"sun":{"sidereal_longitude":25.45245299999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":92.39975300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":-0.64},"mars":{"sidereal_longitude":342.174353,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":357.620153,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":271.21355300000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":69.45645300000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":212.93075299999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":264.8648,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":84.8648,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2103,"month":5,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2489295.770833,"kali_year":5205,"ahargana":1900830.2708,"sun":{"sidereal_longitude":25.2228,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":93.0496,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":67.8269,"elapsed_within_tithi_degrees":7.8269},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":93.0496,"elapsed_within_degrees":13.0496},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.2724},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.64,"elongation":67.827},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.64,"opposition_distance":112.173}},"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":"06:55","sunsetLocal":"17:30","solarNoonLocal":"12:13","dayLengthHours":10.587108454422683,"dayLengthDisplay":"10 Hours 35 Mins 14 Secs","nightLengthDisplay":"13 Hours 24 Mins 46 Secs","moonriseLocal":"11:32","moonsetLocal":"21:49","rahuKala":{"name":"Rāhu Kāla","start":"09:34","end":"10:53","startHours":9.566896558399852,"endHours":10.890285115202687,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"14:52","startHours":13.53706222880836,"endHours":14.860450785611194,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:55","end":"08:15","startHours":6.920119444794182,"endHours":8.243508001597018,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:45","startHours":9.390444750826141,"endHours":9.743348365973564,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:22","end":"07:39","startHours":7.36124896372846,"endHours":7.643571855846399,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.860770056858101,"endHours":12.566577287152946,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:31","end":"06:13","startHours":5.508504984204491,"endHours":6.214312214499336,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"06:55","startHours":6.037860406925625,"endHours":6.920119444794182,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:41","startHours":13.978191747742638,"endHours":14.683998978037485,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:18","end":"17:42","startHours":17.307227899216866,"endHours":17.707227899216864,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:30","end":"17:57","startHours":17.507227899216865,"endHours":17.948357418151144,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:15","end":"19:00","startHours":17.257227899216865,"endHours":19.007227899216865,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.8607700568581,"endHours":24.566577287152946,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:55","end":"08:15","startHours":6.920119444794182,"endHours":8.243508001597018,"quality":"inauspicious"},{"name":"Śubha","start":"08:15","end":"09:34","startHours":8.243508001597018,"endHours":9.566896558399852,"quality":"auspicious"},{"name":"Roga","start":"09:34","end":"10:53","startHours":9.566896558399852,"endHours":10.890285115202687,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:13","startHours":10.890285115202687,"endHours":12.213673672005523,"quality":"inauspicious"},{"name":"Chala","start":"12:13","end":"13:32","startHours":12.213673672005523,"endHours":13.53706222880836,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"14:52","startHours":13.53706222880836,"endHours":14.860450785611194,"quality":"auspicious"},{"name":"Amṛta","start":"14:52","end":"16:11","startHours":14.860450785611194,"endHours":16.18383934241403,"quality":"auspicious"},{"name":"Kāla","start":"16:11","end":"17:30","startHours":16.18383934241403,"endHours":17.507227899216865,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:30","end":"19:11","startHours":17.507227899216865,"endHours":19.18383934241403,"quality":"auspicious"},{"name":"Amṛta","start":"19:11","end":"20:52","startHours":19.18383934241403,"endHours":20.860450785611192,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:32","startHours":20.860450785611192,"endHours":22.53706222880836,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"00:13","startHours":22.53706222880836,"endHours":24.213673672005523,"quality":"auspicious"},{"name":"Roga","start":"00:13","end":"01:53","startHours":24.213673672005523,"endHours":25.890285115202687,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:34","startHours":25.890285115202687,"endHours":27.566896558399854,"quality":"inauspicious"},{"name":"Chala","start":"03:34","end":"05:15","startHours":27.566896558399854,"endHours":29.243508001597018,"quality":"neutral"},{"name":"Labha","start":"05:15","end":"06:55","startHours":29.243508001597018,"endHours":30.92011944479418,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:55","end":"07:55","startHours":6.920119444794182,"endHours":7.920119444794182,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:55","end":"08:55","startHours":7.920119444794182,"endHours":8.920119444794182,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:55","end":"09:55","startHours":8.920119444794182,"endHours":9.920119444794182,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:55","end":"10:55","startHours":9.920119444794182,"endHours":10.920119444794182,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:55","end":"11:55","startHours":10.920119444794182,"endHours":11.920119444794182,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:55","end":"12:55","startHours":11.920119444794182,"endHours":12.920119444794182,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:55","end":"13:55","startHours":12.920119444794182,"endHours":13.920119444794182,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:55","end":"14:55","startHours":13.920119444794182,"endHours":14.920119444794182,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:55","end":"15:55","startHours":14.920119444794182,"endHours":15.920119444794182,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:55","end":"16:55","startHours":15.920119444794182,"endHours":16.92011944479418,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:55","end":"17:55","startHours":16.92011944479418,"endHours":17.92011944479418,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:55","end":"18:55","startHours":17.92011944479418,"endHours":18.92011944479418,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:55","end":"19:55","startHours":18.92011944479418,"endHours":19.92011944479418,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:55","end":"20:55","startHours":19.92011944479418,"endHours":20.92011944479418,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:55","end":"21:55","startHours":20.92011944479418,"endHours":21.92011944479418,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:55","end":"22:55","startHours":21.92011944479418,"endHours":22.92011944479418,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:55","end":"23:55","startHours":22.92011944479418,"endHours":23.92011944479418,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:55","end":"00:55","startHours":23.92011944479418,"endHours":24.92011944479418,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:55","end":"01:55","startHours":24.92011944479418,"endHours":25.92011944479418,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:55","end":"02:55","startHours":25.92011944479418,"endHours":26.92011944479418,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:55","end":"03:55","startHours":26.92011944479418,"endHours":27.92011944479418,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:55","end":"04:55","startHours":27.92011944479418,"endHours":28.92011944479418,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:55","end":"05:55","startHours":28.92011944479418,"endHours":29.92011944479418,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:55","end":"06:55","startHours":29.92011944479418,"endHours":30.92011944479418,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":17.938610656481437,"eotMinutes":3.7375796796685163,"ayanamsa":25.2968}},"calendars":{"vikram_samvat":2160,"vikram_samvatsara":"Dhātṛ","saka_samvat":2025,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1510,"malayalam_era":1279,"nanakshahi_year":634,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ṣaṣṭhī · Vikram 2160 Dhātṛ · Śaka 2025 Rudhirodgāri"},"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5}]},"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 May 12, 2103 CE · Perth, Australia · Vidhyamitra","description":"May 12, 2103 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 06:55, sūryāsta 17:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2103-05-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2103-05-12","sa":"https://sa.vidhyamitra.com/city/perth/2103-05-12","hi":"https://hi.vidhyamitra.com/city/perth/2103-05-12","x-default":"https://vidhyamitra.com/city/perth/2103-05-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T11:34:55.353Z","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":"2026-05-31T11:34:55.353Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T11:34:55.353Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}