{"id":"vidhyamitra:city-day:perth:2097-07-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2097-07-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2097-07-17","date_display":"July 17, 2097 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":2097,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487171.770833,"kali_year":5199,"ahargana":1898706.2708,"sun":{"sidereal_longitude":89.4307,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":185.9148,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.4842,"elapsed_within_tithi_degrees":0.4842},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.9148,"elapsed_within_degrees":12.5815},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.3455},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2097,"month":7,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2487171.770833,"ahargana":1898706.2708,"kali_year":5199,"ayanamsa_lahiri":25.2156,"grahas":{"sun":{"sidereal_longitude":90.10360600000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":188.96090600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":0.8955},"mars":{"sidereal_longitude":285.54090599999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":113.956706,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":93.27040599999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"venus":{"sidereal_longitude":51.81980600000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":138.78760599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":17.4046,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":197.4046,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"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":2097,"month":7,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2487171.770833,"kali_year":5199,"ahargana":1898706.2708,"sun":{"sidereal_longitude":89.4307,"rashi":3,"rashi_name":"Mithuna"},"moon":{"sidereal_longitude":185.9148,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":96.4842,"elapsed_within_tithi_degrees":0.4842},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":185.9148,"elapsed_within_degrees":12.5815},"yoga":{"number":21,"name":"Siddha","sum_longitude":275.3455},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.895,"elongation":96.484},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.895,"opposition_distance":83.516}},"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":10.290338620254218,"dayLengthDisplay":"10 Hours 17 Mins 25 Secs","nightLengthDisplay":"13 Hours 42 Mins 35 Secs","moonriseLocal":"12:22","moonsetLocal":"01:33","rahuKala":{"name":"Rāhu Kāla","start":"12:22","end":"13:40","startHours":12.372193048321645,"endHours":13.65848537585342,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:31","end":"09:48","startHours":8.513316065726311,"endHours":9.79960839325809,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:05","end":"12:22","startHours":11.085900720789866,"endHours":12.372193048321645,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.628102749587185,"endHours":9.971114036928993,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.655787847371794,"endHours":7.93019687724524,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.029181760979837,"endHours":12.715204335663453,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.854978588827306,"endHours":6.54100116351092,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.369495519840017,"endHours":7.227023738194535,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:46","startHours":14.087249485030679,"endHours":14.773272059714293,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.317362358448754,"endHours":17.717362358448753,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.517362358448754,"endHours":17.946126467626012,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.267362358448754,"endHours":19.017362358448754,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.02918176097984,"endHours":24.71520433566345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:14","end":"08:31","startHours":7.227023738194535,"endHours":8.513316065726311,"quality":"auspicious"},{"name":"Amṛta","start":"08:31","end":"09:48","startHours":8.513316065726311,"endHours":9.79960839325809,"quality":"auspicious"},{"name":"Kāla","start":"09:48","end":"11:05","startHours":9.79960839325809,"endHours":11.085900720789866,"quality":"inauspicious"},{"name":"Śubha","start":"11:05","end":"12:22","startHours":11.085900720789866,"endHours":12.372193048321645,"quality":"auspicious"},{"name":"Roga","start":"12:22","end":"13:40","startHours":12.372193048321645,"endHours":13.65848537585342,"quality":"inauspicious"},{"name":"Udveg","start":"13:40","end":"14:57","startHours":13.65848537585342,"endHours":14.9447777033852,"quality":"inauspicious"},{"name":"Chala","start":"14:57","end":"16:14","startHours":14.9447777033852,"endHours":16.231070030916975,"quality":"neutral"},{"name":"Labha","start":"16:14","end":"17:31","startHours":16.231070030916975,"endHours":17.517362358448754,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:31","end":"19:14","startHours":17.517362358448754,"endHours":19.231070030916975,"quality":"inauspicious"},{"name":"Chala","start":"19:14","end":"20:57","startHours":19.231070030916975,"endHours":20.9447777033852,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:40","startHours":20.9447777033852,"endHours":22.658485375853424,"quality":"auspicious"},{"name":"Amṛta","start":"22:40","end":"00:22","startHours":22.658485375853424,"endHours":24.372193048321645,"quality":"auspicious"},{"name":"Kāla","start":"00:22","end":"02:05","startHours":24.372193048321645,"endHours":26.085900720789866,"quality":"inauspicious"},{"name":"Śubha","start":"02:05","end":"03:48","startHours":26.085900720789866,"endHours":27.79960839325809,"quality":"auspicious"},{"name":"Roga","start":"03:48","end":"05:31","startHours":27.79960839325809,"endHours":29.513316065726315,"quality":"inauspicious"},{"name":"Udveg","start":"05:31","end":"07:14","startHours":29.513316065726315,"endHours":31.227023738194536,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.227023738194535,"endHours":8.227023738194536,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.227023738194536,"endHours":9.227023738194536,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.227023738194536,"endHours":10.227023738194536,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.227023738194536,"endHours":11.227023738194536,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.227023738194536,"endHours":12.227023738194536,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.227023738194536,"endHours":13.227023738194536,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.227023738194536,"endHours":14.227023738194536,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.227023738194536,"endHours":15.227023738194536,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.227023738194536,"endHours":16.227023738194536,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.227023738194536,"endHours":17.227023738194536,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.227023738194536,"endHours":18.227023738194536,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.227023738194536,"endHours":19.227023738194536,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.227023738194536,"endHours":20.227023738194536,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.227023738194536,"endHours":21.227023738194536,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.227023738194536,"endHours":22.227023738194536,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.227023738194536,"endHours":23.227023738194536,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.227023738194536,"endHours":24.227023738194536,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.227023738194536,"endHours":25.227023738194536,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.227023738194536,"endHours":26.227023738194536,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.227023738194536,"endHours":27.227023738194536,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.227023738194536,"endHours":28.227023738194536,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.227023738194536,"endHours":29.227023738194536,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.227023738194536,"endHours":30.227023738194536,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.227023738194536,"endHours":31.227023738194536,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.071087736261134,"eotMinutes":-5.773582899298716,"ayanamsa":25.2156}},"calendars":{"vikram_samvat":2154,"vikram_samvatsara":"Pramoda","saka_samvat":2019,"saka_samvatsara":"Piṅgala","bengali_samvat":1504,"malayalam_era":1273,"nanakshahi_year":628,"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":"Karkaṭa (Āḍi)","ritu":"Grīṣma (Summer)","display_summary":"Āṣāḍha Śukla Navamī · Vikram 2154 Pramoda · Śaka 2019 Piṅgala"},"festivals":[{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi_ingress":"Karka"},"precedence":2}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 Śukla Navamī","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 July 17, 2097 CE · Perth, Australia · Vidhyamitra","description":"July 17, 2097 CE for Perth, Australia: Śukla Navamī, sūryodaya 07:14, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2097-07-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2097-07-17","sa":"https://sa.vidhyamitra.com/city/perth/2097-07-17","hi":"https://hi.vidhyamitra.com/city/perth/2097-07-17","x-default":"https://vidhyamitra.com/city/perth/2097-07-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:24:23.968Z","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":"2026-05-31T19:24:23.968Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:24:23.968Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}