{"id":"vidhyamitra:city-day:perth:2017-05-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2017-05-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-05-08","date_display":"May 8, 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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457881.770833,"kali_year":5119,"ahargana":1869416.2708,"sun":{"sidereal_longitude":23.5431,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":171.0362,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.493,"elapsed_within_tithi_degrees":3.493},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.0362,"elapsed_within_degrees":11.0362},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.5793},"karana":{"half_tithi_index":24,"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":2017,"month":5,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457881.770833,"ahargana":1869416.2708,"kali_year":5119,"ayanamsa_lahiri":24.0954,"grahas":{"sun":{"sidereal_longitude":23.56009899999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":171.68399900000009,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":2.9922},"mars":{"sidereal_longitude":47.07349899999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":0.6425990000000183,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":170.24709899999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"venus":{"sidereal_longitude":340.914299,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":242.736899,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":129.3297,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":309.3297,"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":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457881.770833,"kali_year":5119,"ahargana":1869416.2708,"sun":{"sidereal_longitude":23.5431,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":171.0362,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.493,"elapsed_within_tithi_degrees":3.493},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":171.0362,"elapsed_within_degrees":11.0362},"yoga":{"number":15,"name":"Vajra","sum_longitude":194.5793},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.992,"elongation":147.493},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.992,"opposition_distance":32.507}},"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":"06:53","sunsetLocal":"17:33","solarNoonLocal":"12:13","dayLengthHours":10.664809296744835,"dayLengthDisplay":"10 Hours 39 Mins 53 Secs","nightLengthDisplay":"13 Hours 20 Mins 07 Secs","moonriseLocal":"15:47","moonsetLocal":"04:24","rahuKala":{"name":"Rāhu Kāla","start":"08:13","end":"09:33","startHours":8.217055328355507,"endHours":9.550156490448611,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:13","startHours":10.883257652541715,"endHours":12.21635881463482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"14:53","startHours":13.549459976727924,"endHours":14.882561138821028,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:22","end":"09:44","startHours":9.372409668836198,"endHours":9.727903312061025,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:20","end":"07:37","startHours":7.328321220293438,"endHours":7.6127161348733,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:34","startHours":11.860865171409992,"endHours":12.571852457859647,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:10","startHours":5.4619795933630915,"endHours":6.172966879812748,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:53","startHours":5.995220058200333,"endHours":6.883954166262403,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:42","startHours":13.993827030758961,"endHours":14.704814317208617,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:21","end":"17:45","startHours":17.348763463007238,"endHours":17.748763463007236,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:33","end":"18:00","startHours":17.548763463007237,"endHours":17.99313051703827,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:18","end":"19:03","startHours":17.298763463007237,"endHours":19.048763463007237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:34","startHours":23.86086517140999,"endHours":24.57185245785965,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:53","end":"08:13","startHours":6.883954166262403,"endHours":8.217055328355507,"quality":"auspicious"},{"name":"Kāla","start":"08:13","end":"09:33","startHours":8.217055328355507,"endHours":9.550156490448611,"quality":"inauspicious"},{"name":"Śubha","start":"09:33","end":"10:53","startHours":9.550156490448611,"endHours":10.883257652541715,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:13","startHours":10.883257652541715,"endHours":12.21635881463482,"quality":"inauspicious"},{"name":"Udveg","start":"12:13","end":"13:33","startHours":12.21635881463482,"endHours":13.549459976727924,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"14:53","startHours":13.549459976727924,"endHours":14.882561138821028,"quality":"neutral"},{"name":"Labha","start":"14:53","end":"16:13","startHours":14.882561138821028,"endHours":16.215662300914133,"quality":"auspicious"},{"name":"Amṛta","start":"16:13","end":"17:33","startHours":16.215662300914133,"endHours":17.548763463007237,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:33","end":"19:13","startHours":17.548763463007237,"endHours":19.215662300914133,"quality":"neutral"},{"name":"Labha","start":"19:13","end":"20:53","startHours":19.215662300914133,"endHours":20.88256113882103,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:33","startHours":20.88256113882103,"endHours":22.549459976727924,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:13","startHours":22.549459976727924,"endHours":24.21635881463482,"quality":"inauspicious"},{"name":"Śubha","start":"00:13","end":"01:53","startHours":24.21635881463482,"endHours":25.883257652541715,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:33","startHours":25.883257652541715,"endHours":27.55015649044861,"quality":"inauspicious"},{"name":"Udveg","start":"03:33","end":"05:13","startHours":27.55015649044861,"endHours":29.217055328355507,"quality":"inauspicious"},{"name":"Chala","start":"05:13","end":"06:53","startHours":29.217055328355507,"endHours":30.883954166262402,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.883954166262403,"endHours":7.883954166262403,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.883954166262403,"endHours":8.883954166262402,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.883954166262402,"endHours":9.883954166262402,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.883954166262402,"endHours":10.883954166262402,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.883954166262402,"endHours":11.883954166262402,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.883954166262402,"endHours":12.883954166262402,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.883954166262402,"endHours":13.883954166262402,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.883954166262402,"endHours":14.883954166262402,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.883954166262402,"endHours":15.883954166262402,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.883954166262402,"endHours":16.883954166262402,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.883954166262402,"endHours":17.883954166262402,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.883954166262402,"endHours":18.883954166262402,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.883954166262402,"endHours":19.883954166262402,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.883954166262402,"endHours":20.883954166262402,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.883954166262402,"endHours":21.883954166262402,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.883954166262402,"endHours":22.883954166262402,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.883954166262402,"endHours":23.883954166262402,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.883954166262402,"endHours":24.883954166262402,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.883954166262402,"endHours":25.883954166262402,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.883954166262402,"endHours":26.883954166262402,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.883954166262402,"endHours":27.883954166262402,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.883954166262402,"endHours":28.883954166262402,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.883954166262402,"endHours":29.883954166262402,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.883954166262402,"endHours":30.883954166262402,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":17.095622722141357,"eotMinutes":3.576471121910833,"ayanamsa":24.0954}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Trayodaśī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2},{"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":"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 May 8, 2017 CE · Perth, Australia · Vidhyamitra","description":"May 8, 2017 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 06:53, sūryāsta 17:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2017-05-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2017-05-08","sa":"https://sa.vidhyamitra.com/city/perth/2017-05-08","hi":"https://hi.vidhyamitra.com/city/perth/2017-05-08","x-default":"https://vidhyamitra.com/city/perth/2017-05-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:58:18.462Z","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":"2026-05-15T06:58:18.462Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:58:18.462Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}