{"id":"vidhyamitra:city-day:perth:2160-08-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2160-08-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2160-08-17","date_display":"August 17, 2160 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":2160,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510212.770833,"kali_year":5262,"ahargana":1921747.2708,"sun":{"sidereal_longitude":117.6671,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":298.7319,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.0647,"elapsed_within_tithi_degrees":1.0647},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.7319,"elapsed_within_degrees":5.3985},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.399},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2160,"month":8,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2510212.770833,"ahargana":1921747.2708,"kali_year":5262,"ayanamsa_lahiri":26.0968,"grahas":{"sun":{"sidereal_longitude":118.66997000000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":298.39906999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":3.9779},"mars":{"sidereal_longitude":116.11667,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":140.42516999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":190.07227,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":145.98537,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":187.55966999999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":236.5815,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":56.5815,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2160,"month":8,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510212.770833,"kali_year":5262,"ahargana":1921747.2708,"sun":{"sidereal_longitude":117.6671,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":298.7319,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.0647,"elapsed_within_tithi_degrees":1.0647},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":298.7319,"elapsed_within_degrees":5.3985},"yoga":{"number":5,"name":"Śobhana","sum_longitude":56.399},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.978,"elongation":178.935},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.978,"opposition_distance":1.065}},"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":"06:50","sunsetLocal":"17:51","solarNoonLocal":"12:20","dayLengthHours":11.008501436181042,"dayLengthDisplay":"11 Hours 00 Mins 31 Secs","nightLengthDisplay":"12 Hours 59 Mins 29 Secs","moonriseLocal":"17:42","moonsetLocal":"06:56","rahuKala":{"name":"Rāhu Kāla","start":"16:28","end":"17:51","startHours":16.46671439780319,"endHours":17.84277707732582,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:20","end":"13:43","startHours":12.3385263592353,"endHours":13.71458903875793,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:05","end":"16:28","startHours":15.090651718280562,"endHours":16.46671439780319,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:24","end":"09:46","startHours":9.40292597625369,"endHours":9.76987602412639,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.292963200985656,"endHours":7.586523239283817,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:42","startHours":11.971576311362599,"endHours":12.705476407108,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:22","end":"06:06","startHours":5.366475449653973,"endHours":6.100375545399376,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:55","end":"06:50","startHours":5.916900521463026,"endHours":6.834275641144779,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.173276598598807,"endHours":14.90717669434421,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.64277707732582,"endHours":18.04277707732582,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:18","startHours":17.84277707732582,"endHours":18.301464637166696,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.59277707732582,"endHours":19.34277707732582,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:42","startHours":23.971576311362597,"endHours":24.705476407108,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:50","end":"08:13","startHours":6.834275641144779,"endHours":8.21033832066741,"quality":"inauspicious"},{"name":"Chala","start":"08:13","end":"09:35","startHours":8.21033832066741,"endHours":9.58640100019004,"quality":"neutral"},{"name":"Labha","start":"09:35","end":"10:58","startHours":9.58640100019004,"endHours":10.96246367971267,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:20","startHours":10.96246367971267,"endHours":12.3385263592353,"quality":"auspicious"},{"name":"Kāla","start":"12:20","end":"13:43","startHours":12.3385263592353,"endHours":13.71458903875793,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:05","startHours":13.71458903875793,"endHours":15.090651718280562,"quality":"auspicious"},{"name":"Roga","start":"15:05","end":"16:28","startHours":15.090651718280562,"endHours":16.46671439780319,"quality":"inauspicious"},{"name":"Udveg","start":"16:28","end":"17:51","startHours":16.46671439780319,"endHours":17.84277707732582,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:51","end":"19:28","startHours":17.84277707732582,"endHours":19.46671439780319,"quality":"auspicious"},{"name":"Roga","start":"19:28","end":"21:05","startHours":19.46671439780319,"endHours":21.09065171828056,"quality":"inauspicious"},{"name":"Udveg","start":"21:05","end":"22:43","startHours":21.09065171828056,"endHours":22.71458903875793,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:20","startHours":22.71458903875793,"endHours":24.3385263592353,"quality":"neutral"},{"name":"Labha","start":"00:20","end":"01:58","startHours":24.3385263592353,"endHours":25.96246367971267,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:35","startHours":25.96246367971267,"endHours":27.586401000190037,"quality":"auspicious"},{"name":"Kāla","start":"03:35","end":"05:13","startHours":27.586401000190037,"endHours":29.210338320667407,"quality":"inauspicious"},{"name":"Śubha","start":"05:13","end":"06:50","startHours":29.210338320667407,"endHours":30.834275641144778,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.834275641144779,"endHours":7.834275641144779,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.834275641144779,"endHours":8.834275641144778,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.834275641144778,"endHours":9.834275641144778,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.834275641144778,"endHours":10.834275641144778,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.834275641144778,"endHours":11.834275641144778,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.834275641144778,"endHours":12.834275641144778,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.834275641144778,"endHours":13.834275641144778,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.834275641144778,"endHours":14.834275641144778,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.834275641144778,"endHours":15.834275641144778,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.834275641144778,"endHours":16.834275641144778,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.834275641144778,"endHours":17.834275641144778,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.834275641144778,"endHours":18.834275641144778,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.834275641144778,"endHours":19.834275641144778,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.834275641144778,"endHours":20.834275641144778,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.834275641144778,"endHours":21.834275641144778,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.834275641144778,"endHours":22.834275641144778,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.834275641144778,"endHours":23.834275641144778,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.834275641144778,"endHours":24.834275641144778,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.834275641144778,"endHours":25.834275641144778,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.834275641144778,"endHours":26.834275641144778,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.834275641144778,"endHours":27.834275641144778,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.834275641144778,"endHours":28.834275641144778,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.834275641144778,"endHours":29.834275641144778,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.834275641144778,"endHours":30.834275641144778,"planetary_lord":"Jupiter"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.264946208110983,"eotMinutes":-3.7535815541179196,"ayanamsa":26.0968}},"calendars":{"vikram_samvat":2217,"vikram_samvatsara":"Śrīmukha","saka_samvat":2082,"saka_samvatsara":"Raudra","bengali_samvat":1567,"malayalam_era":1336,"nanakshahi_year":691,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Pratipada · Vikram 2217 Śrīmukha · Śaka 2082 Raudra"},"festivals":[{"id":"pitra-paksha-start","name":"Pitṛ-Pakṣa Start","name_sanskrit":"पितृ पक्ष आरम्भ","tradition":"Pan-Hindu","associated_deity":"Pitṛ-gaṇa","significance":"Begin 16-day śrāddha period for ancestors. Bhādrapada Pūrṇimā next-day.","vrata":true,"detection":{"tithi_number":16,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 August 17, 2160 CE · Perth, Australia · Vidhyamitra","description":"August 17, 2160 CE for Perth, Australia: Kṛṣṇa Pratipada, sūryodaya 06:50, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2160-08-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2160-08-17","sa":"https://sa.vidhyamitra.com/city/perth/2160-08-17","hi":"https://hi.vidhyamitra.com/city/perth/2160-08-17","x-default":"https://vidhyamitra.com/city/perth/2160-08-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:54:46.655Z","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":"2026-05-31T12:54:46.655Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:54:46.655Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}