{"id":"vidhyamitra:city-day:perth:2161-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2161-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2161-08-16","date_display":"August 16, 2161 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":2161,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510576.770833,"kali_year":5263,"ahargana":1922111.2708,"sun":{"sidereal_longitude":116.4646,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":49.8399,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.3754,"elapsed_within_tithi_degrees":5.3754},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.8399,"elapsed_within_degrees":9.8399},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.3045},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2161,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2510576.770833,"ahargana":1922111.2708,"kali_year":5263,"ayanamsa_lahiri":26.1107,"grahas":{"sun":{"sidereal_longitude":117.46336300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":48.17886299999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":-0.9765},"mars":{"sidereal_longitude":320.78456299999993,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":142.350163,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.21476299999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":89.34576300000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":198.621263,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":217.295,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":37.295,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2161,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2510576.770833,"kali_year":5263,"ahargana":1922111.2708,"sun":{"sidereal_longitude":116.4646,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":49.8399,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":293.3754,"elapsed_within_tithi_degrees":5.3754},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":49.8399,"elapsed_within_degrees":9.8399},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":166.3045},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.976,"elongation":66.625},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.976,"opposition_distance":113.375}},"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":"06:51","sunsetLocal":"17:50","solarNoonLocal":"12:21","dayLengthHours":10.973650052899139,"dayLengthDisplay":"10 Hours 58 Mins 25 Secs","nightLengthDisplay":"13 Hours 01 Mins 35 Secs","moonriseLocal":"02:40","moonsetLocal":"12:47","rahuKala":{"name":"Rāhu Kāla","start":"16:27","end":"17:50","startHours":16.45724969645605,"endHours":17.82895595306844,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.713837183231263,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:05","end":"16:27","startHours":15.085543439843654,"endHours":16.45724969645605,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.415824245845767,"endHours":9.781612580942404,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:36","startHours":7.312541319040099,"endHours":7.6051719871174095,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:42","startHours":11.976342591522233,"endHours":12.70791926171551,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:07","startHours":5.392152559782749,"endHours":6.123729229976026,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:56","end":"06:51","startHours":5.940835062427706,"endHours":6.855305900169301,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.171072602102061,"endHours":14.902649272295337,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:38","end":"18:02","startHours":17.62895595306844,"endHours":18.02895595306844,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:50","end":"18:17","startHours":17.82895595306844,"endHours":18.28619137193924,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:35","end":"19:20","startHours":17.57895595306844,"endHours":19.32895595306844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:42","startHours":23.976342591522233,"endHours":24.70791926171551,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:51","end":"08:14","startHours":6.855305900169301,"endHours":8.227012156781694,"quality":"inauspicious"},{"name":"Chala","start":"08:14","end":"09:36","startHours":8.227012156781694,"endHours":9.598718413394085,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"10:58","startHours":9.598718413394085,"endHours":10.970424670006478,"quality":"auspicious"},{"name":"Amṛta","start":"10:58","end":"12:21","startHours":10.970424670006478,"endHours":12.342130926618871,"quality":"auspicious"},{"name":"Kāla","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.713837183231263,"quality":"inauspicious"},{"name":"Śubha","start":"13:43","end":"15:05","startHours":13.713837183231263,"endHours":15.085543439843654,"quality":"auspicious"},{"name":"Roga","start":"15:05","end":"16:27","startHours":15.085543439843654,"endHours":16.45724969645605,"quality":"inauspicious"},{"name":"Udveg","start":"16:27","end":"17:50","startHours":16.45724969645605,"endHours":17.82895595306844,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:50","end":"19:27","startHours":17.82895595306844,"endHours":19.45724969645605,"quality":"auspicious"},{"name":"Roga","start":"19:27","end":"21:05","startHours":19.45724969645605,"endHours":21.085543439843654,"quality":"inauspicious"},{"name":"Udveg","start":"21:05","end":"22:43","startHours":21.085543439843654,"endHours":22.713837183231263,"quality":"inauspicious"},{"name":"Chala","start":"22:43","end":"00:21","startHours":22.713837183231263,"endHours":24.34213092661887,"quality":"neutral"},{"name":"Labha","start":"00:21","end":"01:58","startHours":24.34213092661887,"endHours":25.97042467000648,"quality":"auspicious"},{"name":"Amṛta","start":"01:58","end":"03:36","startHours":25.97042467000648,"endHours":27.59871841339409,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"05:14","startHours":27.59871841339409,"endHours":29.227012156781694,"quality":"inauspicious"},{"name":"Śubha","start":"05:14","end":"06:51","startHours":29.227012156781694,"endHours":30.855305900169302,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.855305900169301,"endHours":7.855305900169301,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.855305900169301,"endHours":8.855305900169302,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.855305900169302,"endHours":9.855305900169302,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.855305900169302,"endHours":10.855305900169302,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.855305900169302,"endHours":11.855305900169302,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.855305900169302,"endHours":12.855305900169302,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.855305900169302,"endHours":13.855305900169302,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.855305900169302,"endHours":14.855305900169302,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.855305900169302,"endHours":15.855305900169302,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.855305900169302,"endHours":16.855305900169302,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.855305900169302,"endHours":17.855305900169302,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.855305900169302,"endHours":18.855305900169302,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.855305900169302,"endHours":19.855305900169302,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.855305900169302,"endHours":20.855305900169302,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.855305900169302,"endHours":21.855305900169302,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.855305900169302,"endHours":22.855305900169302,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.855305900169302,"endHours":23.855305900169302,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.855305900169302,"endHours":24.855305900169302,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.855305900169302,"endHours":25.855305900169302,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.855305900169302,"endHours":26.855305900169302,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.855305900169302,"endHours":27.855305900169302,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.855305900169302,"endHours":28.855305900169302,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.855305900169302,"endHours":29.855305900169302,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.855305900169302,"endHours":30.855305900169302,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":13.660414537256836,"eotMinutes":-3.969855597132357,"ayanamsa":26.1107}},"calendars":{"vikram_samvat":2218,"vikram_samvatsara":"Bhāva","saka_samvat":2083,"saka_samvatsara":"Durmati","bengali_samvat":1568,"malayalam_era":1337,"nanakshahi_year":692,"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 Daśamī · Vikram 2218 Bhāva · Śaka 2083 Durmati"},"festivals":[],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 August 16, 2161 CE · Perth, Australia · Vidhyamitra","description":"August 16, 2161 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 06:51, sūryāsta 17:50.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2161-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2161-08-16","sa":"https://sa.vidhyamitra.com/city/perth/2161-08-16","hi":"https://hi.vidhyamitra.com/city/perth/2161-08-16","x-default":"https://vidhyamitra.com/city/perth/2161-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T20:14:47.122Z","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":"2026-05-31T20:14:47.122Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T20:14:47.122Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}