{"id":"vidhyamitra:city-day:perth:2017-05-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2017-05-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-05-23","date_display":"May 23, 2017 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":2017,"month":5,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457896.770833,"kali_year":5119,"ahargana":1869431.2708,"sun":{"sidereal_longitude":37.9173,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":0.4669,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.5496,"elapsed_within_tithi_degrees":10.5496},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.4669,"elapsed_within_degrees":0.4669},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.3841},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2017,"month":5,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457896.770833,"ahargana":1869431.2708,"kali_year":5119,"ayanamsa_lahiri":24.0959,"grahas":{"sun":{"sidereal_longitude":38.024426000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":358.889926,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-3.5414},"mars":{"sidereal_longitude":57.22612600000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":12.647126000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":169.17402600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":true},"venus":{"sidereal_longitude":352.442926,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":241.89392599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":128.5349,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.5349,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"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":2017,"month":5,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457896.770833,"kali_year":5119,"ahargana":1869431.2708,"sun":{"sidereal_longitude":37.9173,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":0.4669,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":322.5496,"elapsed_within_tithi_degrees":10.5496},"nakshatra":{"number":1,"name":"Aśvinī","pada":1,"moon_longitude":0.4669,"elapsed_within_degrees":0.4669},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":38.3841},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.541,"elongation":37.45},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.541,"opposition_distance":142.55}},"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":"07:03","sunsetLocal":"17:23","solarNoonLocal":"12:13","dayLengthHours":10.33746385524022,"dayLengthDisplay":"10 Hours 20 Mins 15 Secs","nightLengthDisplay":"13 Hours 39 Mins 45 Secs","moonriseLocal":"03:56","moonsetLocal":"15:17","rahuKala":{"name":"Rāhu Kāla","start":"14:48","end":"16:06","startHours":14.80374117476178,"endHours":16.095924156666808,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:38","end":"10:56","startHours":9.63500924714167,"endHours":10.927192229046698,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:13","end":"13:31","startHours":12.219375210951725,"endHours":13.511558192856754,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:48","startHours":9.462718182887667,"endHours":9.807300311395675,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:45","startHours":7.481370943966625,"endHours":7.757036646773031,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.87479308244372,"endHours":12.563957339459733,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:22","startHours":5.672314769299587,"endHours":6.361479026315601,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:03","startHours":6.189187962061598,"endHours":7.050643283331616,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.942285853491763,"endHours":14.631450110507778,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.188107138571837,"endHours":17.588107138571836,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:49","startHours":17.388107138571836,"endHours":17.818834799206847,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.138107138571836,"endHours":18.888107138571836,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.874793082443716,"endHours":24.563957339459733,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:03","end":"08:21","startHours":7.050643283331616,"endHours":8.342826265236644,"quality":"inauspicious"},{"name":"Udveg","start":"08:21","end":"09:38","startHours":8.342826265236644,"endHours":9.63500924714167,"quality":"inauspicious"},{"name":"Chala","start":"09:38","end":"10:56","startHours":9.63500924714167,"endHours":10.927192229046698,"quality":"neutral"},{"name":"Labha","start":"10:56","end":"12:13","startHours":10.927192229046698,"endHours":12.219375210951725,"quality":"auspicious"},{"name":"Amṛta","start":"12:13","end":"13:31","startHours":12.219375210951725,"endHours":13.511558192856754,"quality":"auspicious"},{"name":"Kāla","start":"13:31","end":"14:48","startHours":13.511558192856754,"endHours":14.80374117476178,"quality":"inauspicious"},{"name":"Śubha","start":"14:48","end":"16:06","startHours":14.80374117476178,"endHours":16.095924156666808,"quality":"auspicious"},{"name":"Roga","start":"16:06","end":"17:23","startHours":16.095924156666808,"endHours":17.388107138571836,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:23","end":"19:06","startHours":17.388107138571836,"endHours":19.095924156666808,"quality":"inauspicious"},{"name":"Śubha","start":"19:06","end":"20:48","startHours":19.095924156666808,"endHours":20.803741174761782,"quality":"auspicious"},{"name":"Roga","start":"20:48","end":"22:31","startHours":20.803741174761782,"endHours":22.511558192856754,"quality":"inauspicious"},{"name":"Udveg","start":"22:31","end":"00:13","startHours":22.511558192856754,"endHours":24.219375210951725,"quality":"inauspicious"},{"name":"Chala","start":"00:13","end":"01:56","startHours":24.219375210951725,"endHours":25.9271922290467,"quality":"neutral"},{"name":"Labha","start":"01:56","end":"03:38","startHours":25.9271922290467,"endHours":27.63500924714167,"quality":"auspicious"},{"name":"Amṛta","start":"03:38","end":"05:21","startHours":27.63500924714167,"endHours":29.342826265236646,"quality":"auspicious"},{"name":"Kāla","start":"05:21","end":"07:03","startHours":29.342826265236646,"endHours":31.050643283331617,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.050643283331616,"endHours":8.050643283331617,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.050643283331617,"endHours":9.050643283331617,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.050643283331617,"endHours":10.050643283331617,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.050643283331617,"endHours":11.050643283331617,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.050643283331617,"endHours":12.050643283331617,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.050643283331617,"endHours":13.050643283331617,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.050643283331617,"endHours":14.050643283331617,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.050643283331617,"endHours":15.050643283331617,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.050643283331617,"endHours":16.050643283331617,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.050643283331617,"endHours":17.050643283331617,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.050643283331617,"endHours":18.050643283331617,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.050643283331617,"endHours":19.050643283331617,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.050643283331617,"endHours":20.050643283331617,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.050643283331617,"endHours":21.050643283331617,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.050643283331617,"endHours":22.050643283331617,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.050643283331617,"endHours":23.050643283331617,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.050643283331617,"endHours":24.050643283331617,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.050643283331617,"endHours":25.050643283331617,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.050643283331617,"endHours":26.050643283331617,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.050643283331617,"endHours":27.050643283331617,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.050643283331617,"endHours":28.050643283331617,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.050643283331617,"endHours":29.050643283331617,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.050643283331617,"endHours":30.050643283331617,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.050643283331617,"endHours":31.050643283331617,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Grīṣma (Summer) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":20.583268217702955,"eotMinutes":3.395487342896394,"ayanamsa":24.0959}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Dvādaśī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"vrishabha-sankranti","name":"Vṛṣabha Saṅkrānti","name_sanskrit":"वृषभ सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Taurus.","vrata":false,"detection":{"sun_rashi":"Vṛṣabha"},"precedence":5}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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 23, 2017 CE · Perth, Australia · Vidhyamitra","description":"May 23, 2017 CE for Perth, Australia: Kṛṣṇa Dvādaśī, sūryodaya 07:03, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2017-05-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2017-05-23","sa":"https://sa.vidhyamitra.com/city/perth/2017-05-23","hi":"https://hi.vidhyamitra.com/city/perth/2017-05-23","x-default":"https://vidhyamitra.com/city/perth/2017-05-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T20:17:49.004Z","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":"2026-05-15T20:17:49.004Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T20:17:49.004Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}