{"id":"vidhyamitra:city-day:perth:2101-08-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-08-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-08-16","date_display":"August 16, 2101 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":2101,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488661.770833,"kali_year":5203,"ahargana":1900196.2708,"sun":{"sidereal_longitude":116.9664,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":18.4243,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.4579,"elapsed_within_tithi_degrees":9.4579},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.4243,"elapsed_within_degrees":5.091},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.3907},"karana":{"half_tithi_index":43,"name":"Bava"},"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":2101,"month":8,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488661.770833,"ahargana":1900196.2708,"kali_year":5203,"ayanamsa_lahiri":25.2726,"grahas":{"sun":{"sidereal_longitude":117.821777,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":19.480177000000026,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":4.431},"mars":{"sidereal_longitude":32.188676999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":141.38617699999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":199.25937699999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":157.17617700000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":186.82377700000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":298.4572,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":118.4572,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2101,"month":8,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488661.770833,"kali_year":5203,"ahargana":1900196.2708,"sun":{"sidereal_longitude":116.9664,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":18.4243,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":261.4579,"elapsed_within_tithi_degrees":9.4579},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":18.4243,"elapsed_within_degrees":5.091},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.3907},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.431,"elongation":98.542},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.431,"opposition_distance":81.458}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-0.866,"opposition_distance":2.572},{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":-0.767,"elongation":2.226}]},"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":"06:52","sunsetLocal":"17:49","solarNoonLocal":"12:21","dayLengthHours":10.959729664891107,"dayLengthDisplay":"10 Hours 57 Mins 35 Secs","nightLengthDisplay":"13 Hours 02 Mins 25 Secs","moonriseLocal":"00:26","moonsetLocal":"11:08","rahuKala":{"name":"Rāhu Kāla","start":"15:05","end":"16:27","startHours":15.082063342841646,"endHours":16.452029550953036,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:36","end":"10:58","startHours":9.602198510396093,"endHours":10.972164718507482,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.712097134730259,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:47","startHours":9.419536349314576,"endHours":9.784860671477613,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:37","startHours":7.318921496877113,"endHours":7.611180954607542,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:59","end":"12:42","startHours":11.976806604455835,"endHours":12.707455248781908,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:24","end":"06:08","startHours":5.4009688055211695,"endHours":6.131617449847243,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:52","startHours":5.948955288765725,"endHours":6.862266094173317,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:54","startHours":14.168752537434056,"endHours":14.89940118176013,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.621995759064426,"endHours":18.021995759064424,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:17","startHours":17.821995759064425,"endHours":18.27865116176822,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.571995759064425,"endHours":19.321995759064425,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:59","end":"00:42","startHours":23.976806604455835,"endHours":24.70745524878191,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:52","end":"08:14","startHours":6.862266094173317,"endHours":8.232232302284705,"quality":"inauspicious"},{"name":"Udveg","start":"08:14","end":"09:36","startHours":8.232232302284705,"endHours":9.602198510396093,"quality":"inauspicious"},{"name":"Chala","start":"09:36","end":"10:58","startHours":9.602198510396093,"endHours":10.972164718507482,"quality":"neutral"},{"name":"Labha","start":"10:58","end":"12:21","startHours":10.972164718507482,"endHours":12.342130926618871,"quality":"auspicious"},{"name":"Amṛta","start":"12:21","end":"13:43","startHours":12.342130926618871,"endHours":13.712097134730259,"quality":"auspicious"},{"name":"Kāla","start":"13:43","end":"15:05","startHours":13.712097134730259,"endHours":15.082063342841646,"quality":"inauspicious"},{"name":"Śubha","start":"15:05","end":"16:27","startHours":15.082063342841646,"endHours":16.452029550953036,"quality":"auspicious"},{"name":"Roga","start":"16:27","end":"17:49","startHours":16.452029550953036,"endHours":17.821995759064425,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:27","startHours":17.821995759064425,"endHours":19.452029550953036,"quality":"inauspicious"},{"name":"Śubha","start":"19:27","end":"21:05","startHours":19.452029550953036,"endHours":21.08206334284165,"quality":"auspicious"},{"name":"Roga","start":"21:05","end":"22:43","startHours":21.08206334284165,"endHours":22.71209713473026,"quality":"inauspicious"},{"name":"Udveg","start":"22:43","end":"00:21","startHours":22.71209713473026,"endHours":24.34213092661887,"quality":"inauspicious"},{"name":"Chala","start":"00:21","end":"01:58","startHours":24.34213092661887,"endHours":25.972164718507482,"quality":"neutral"},{"name":"Labha","start":"01:58","end":"03:36","startHours":25.972164718507482,"endHours":27.602198510396093,"quality":"auspicious"},{"name":"Amṛta","start":"03:36","end":"05:14","startHours":27.602198510396093,"endHours":29.232232302284707,"quality":"auspicious"},{"name":"Kāla","start":"05:14","end":"06:52","startHours":29.232232302284707,"endHours":30.862266094173318,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.862266094173317,"endHours":7.862266094173317,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.862266094173317,"endHours":8.862266094173318,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.862266094173318,"endHours":9.862266094173318,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.862266094173318,"endHours":10.862266094173318,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.862266094173318,"endHours":11.862266094173318,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.862266094173318,"endHours":12.862266094173318,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.862266094173318,"endHours":13.862266094173318,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.862266094173318,"endHours":14.862266094173318,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.862266094173318,"endHours":15.862266094173318,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.862266094173318,"endHours":16.862266094173318,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.862266094173318,"endHours":17.862266094173318,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.862266094173318,"endHours":18.862266094173318,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.862266094173318,"endHours":19.862266094173318,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.862266094173318,"endHours":20.862266094173318,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.862266094173318,"endHours":21.862266094173318,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.862266094173318,"endHours":22.862266094173318,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.862266094173318,"endHours":23.862266094173318,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.862266094173318,"endHours":24.862266094173318,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.862266094173318,"endHours":25.862266094173318,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.862266094173318,"endHours":26.862266094173318,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.862266094173318,"endHours":27.862266094173318,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.862266094173318,"endHours":28.862266094173318,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.862266094173318,"endHours":29.862266094173318,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.862266094173318,"endHours":30.862266094173318,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","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":13.817958142266605,"eotMinutes":-3.969855597132357,"ayanamsa":25.2726}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"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 Saptamī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"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":[]},"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, 2101 CE · Perth, Australia · Vidhyamitra","description":"August 16, 2101 CE for Perth, Australia: Kṛṣṇa Saptamī, sūryodaya 06:52, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-08-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-08-16","sa":"https://sa.vidhyamitra.com/city/perth/2101-08-16","hi":"https://hi.vidhyamitra.com/city/perth/2101-08-16","x-default":"https://vidhyamitra.com/city/perth/2101-08-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T19:24:35.917Z","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":"2026-05-31T19:24:35.917Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T19:24:35.917Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}