{"id":"vidhyamitra:city-day:perth:2187-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2187-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2187-07-17","date_display":"July 17, 2187 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":2187,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520042.770833,"kali_year":5289,"ahargana":1931577.2708,"sun":{"sidereal_longitude":87.2634,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":226.9063,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.6429,"elapsed_within_tithi_degrees":7.6429},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":226.9063,"elapsed_within_degrees":0.2396},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.1697},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2187,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520042.770833,"ahargana":1931577.2708,"kali_year":5289,"ayanamsa_lahiri":26.4728,"grahas":{"sun":{"sidereal_longitude":88.13849199999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"moon":{"sidereal_longitude":228.53369199999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false,"latitude":2.1686},"mars":{"sidereal_longitude":171.68099200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":94.518392,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":302.331592,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":90.432792,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":157.64419199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":75.7408,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.7408,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2187,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520042.770833,"kali_year":5289,"ahargana":1931577.2708,"sun":{"sidereal_longitude":87.2634,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":226.9063,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.6429,"elapsed_within_tithi_degrees":7.6429},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1,"moon_longitude":226.9063,"elapsed_within_degrees":0.2396},"yoga":{"number":24,"name":"Śukla","sum_longitude":314.1697},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.169,"elongation":139.643},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.169,"opposition_distance":40.357}},"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":"07:14","sunsetLocal":"17:31","solarNoonLocal":"12:22","dayLengthHours":10.27797075717995,"dayLengthDisplay":"10 Hours 16 Mins 41 Secs","nightLengthDisplay":"13 Hours 43 Mins 19 Secs","moonriseLocal":"14:41","moonsetLocal":"04:47","rahuKala":{"name":"Rāhu Kāla","start":"14:57","end":"16:14","startHours":14.94168573761663,"endHours":16.226432082264125,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:48","end":"11:05","startHours":9.802700359026655,"endHours":11.08744670367415,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:22","end":"13:39","startHours":12.372193048321645,"endHours":13.656939392969138,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.63140084640699,"endHours":9.973999871646322,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.661456451280833,"endHours":7.935535671472299,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.029594023082312,"endHours":12.714792073560977,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:52","end":"06:33","startHours":5.862811568774342,"endHours":6.548009619253005,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:23","end":"07:14","startHours":6.37671010663334,"endHours":7.2332076697316685,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.0851881745183,"endHours":14.770386224996964,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.31117842691162,"endHours":17.71117842691162,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:56","startHours":17.51117842691162,"endHours":17.939427208460785,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.26117842691162,"endHours":19.01117842691162,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.029594023082314,"endHours":24.714792073560975,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:14","end":"08:31","startHours":7.2332076697316685,"endHours":8.517954014379162,"quality":"inauspicious"},{"name":"Udveg","start":"08:31","end":"09:48","startHours":8.517954014379162,"endHours":9.802700359026655,"quality":"inauspicious"},{"name":"Chala","start":"09:48","end":"11:05","startHours":9.802700359026655,"endHours":11.08744670367415,"quality":"neutral"},{"name":"Labha","start":"11:05","end":"12:22","startHours":11.08744670367415,"endHours":12.372193048321645,"quality":"auspicious"},{"name":"Amṛta","start":"12:22","end":"13:39","startHours":12.372193048321645,"endHours":13.656939392969138,"quality":"auspicious"},{"name":"Kāla","start":"13:39","end":"14:57","startHours":13.656939392969138,"endHours":14.94168573761663,"quality":"inauspicious"},{"name":"Śubha","start":"14:57","end":"16:14","startHours":14.94168573761663,"endHours":16.226432082264125,"quality":"auspicious"},{"name":"Roga","start":"16:14","end":"17:31","startHours":16.226432082264125,"endHours":17.51117842691162,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:31","end":"19:14","startHours":17.51117842691162,"endHours":19.226432082264125,"quality":"inauspicious"},{"name":"Śubha","start":"19:14","end":"20:57","startHours":19.226432082264125,"endHours":20.94168573761663,"quality":"auspicious"},{"name":"Roga","start":"20:57","end":"22:39","startHours":20.94168573761663,"endHours":22.65693939296914,"quality":"inauspicious"},{"name":"Udveg","start":"22:39","end":"00:22","startHours":22.65693939296914,"endHours":24.372193048321645,"quality":"inauspicious"},{"name":"Chala","start":"00:22","end":"02:05","startHours":24.372193048321645,"endHours":26.08744670367415,"quality":"neutral"},{"name":"Labha","start":"02:05","end":"03:48","startHours":26.08744670367415,"endHours":27.80270035902666,"quality":"auspicious"},{"name":"Amṛta","start":"03:48","end":"05:31","startHours":27.80270035902666,"endHours":29.517954014379164,"quality":"auspicious"},{"name":"Kāla","start":"05:31","end":"07:14","startHours":29.517954014379164,"endHours":31.23320766973167,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.2332076697316685,"endHours":8.23320766973167,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.23320766973167,"endHours":9.23320766973167,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.23320766973167,"endHours":10.23320766973167,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.23320766973167,"endHours":11.23320766973167,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.23320766973167,"endHours":12.23320766973167,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.23320766973167,"endHours":13.23320766973167,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.23320766973167,"endHours":14.23320766973167,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.23320766973167,"endHours":15.23320766973167,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.23320766973167,"endHours":16.23320766973167,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23320766973167,"endHours":17.23320766973167,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23320766973167,"endHours":18.23320766973167,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23320766973167,"endHours":19.23320766973167,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23320766973167,"endHours":20.23320766973167,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23320766973167,"endHours":21.23320766973167,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23320766973167,"endHours":22.23320766973167,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23320766973167,"endHours":23.23320766973167,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23320766973167,"endHours":24.23320766973167,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23320766973167,"endHours":25.23320766973167,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23320766973167,"endHours":26.23320766973167,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23320766973167,"endHours":27.23320766973167,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23320766973167,"endHours":28.23320766973167,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23320766973167,"endHours":29.23320766973167,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23320766973167,"endHours":30.23320766973167,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23320766973167,"endHours":31.23320766973167,"planetary_lord":"Saturn"}],"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","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"North-East","rahuVasa":"North","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.198494837085335,"eotMinutes":-5.773582899298716,"ayanamsa":26.4728}},"calendars":{"vikram_samvat":2244,"vikram_samvatsara":"Śārvarī","saka_samvat":2109,"saka_samvatsara":"Sarvajit","bengali_samvat":1594,"malayalam_era":1363,"nanakshahi_year":718,"lunar_month":"Āṣāḍha","lunar_month_paksha_full":"Āṣāḍha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āṣāḍha","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mithuna (Āni)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Dvādaśī · Vikram 2244 Śārvarī · Śaka 2109 Sarvajit"},"festivals":[],"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":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","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 July 17, 2187 CE · Perth, Australia · Vidhyamitra","description":"July 17, 2187 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:14, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2187-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2187-07-17","sa":"https://sa.vidhyamitra.com/city/perth/2187-07-17","hi":"https://hi.vidhyamitra.com/city/perth/2187-07-17","x-default":"https://vidhyamitra.com/city/perth/2187-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:43:38.719Z","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":"2026-05-31T09:43:38.719Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:43:38.719Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}