{"id":"vidhyamitra:city-day:perth:2101-08-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-08-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-08-11","date_display":"August 11, 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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488656.770833,"kali_year":5203,"ahargana":1900191.2708,"sun":{"sidereal_longitude":112.1948,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":315.4493,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.2545,"elapsed_within_tithi_degrees":11.2545},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.4493,"elapsed_within_degrees":8.7826},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.6441},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488656.770833,"ahargana":1900191.2708,"kali_year":5203,"ayanamsa_lahiri":25.2724,"grahas":{"sun":{"sidereal_longitude":113.02396799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":315.1539680000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":1.2939},"mars":{"sidereal_longitude":29.100667999999985,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":134.251468,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":198.78326800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":151.41096800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":186.51966800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":298.7221,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":118.7221,"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":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488656.770833,"kali_year":5203,"ahargana":1900191.2708,"sun":{"sidereal_longitude":112.1948,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":315.4493,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":203.2545,"elapsed_within_tithi_degrees":11.2545},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":315.4493,"elapsed_within_degrees":8.7826},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.6441},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.294,"elongation":156.746},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.294,"opposition_distance":23.254}},"eclipse_window_40days":[{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-0.866,"opposition_distance":2.572},{"offset_days":14,"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":"06:57","sunsetLocal":"17:46","solarNoonLocal":"12:21","dayLengthHours":10.823800582217455,"dayLengthDisplay":"10 Hours 49 Mins 26 Secs","nightLengthDisplay":"13 Hours 10 Mins 34 Secs","moonriseLocal":"19:28","moonsetLocal":"08:12","rahuKala":{"name":"Rāhu Kāla","start":"13:43","end":"15:04","startHours":13.710723368308312,"endHours":15.063698441085492,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:57","end":"08:18","startHours":6.945848004422402,"endHours":8.298823077199584,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:39","end":"11:00","startHours":9.651798149976766,"endHours":11.004773222753947,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:50","startHours":9.471401473606475,"endHours":9.832194826347056,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.396839695348129,"endHours":7.6854743775405945,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:43","startHours":11.996954942790547,"endHours":12.718541648271712,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:30","end":"06:13","startHours":5.502674593460075,"endHours":6.224261298941238,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:03","end":"06:57","startHours":6.043864622570947,"endHours":6.945848004422402,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:53","startHours":14.161715059234037,"endHours":14.8833017647152,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.569648586639858,"endHours":17.969648586639856,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:13","startHours":17.769648586639857,"endHours":18.220640277565582,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.519648586639857,"endHours":19.269648586639857,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:43","startHours":23.99695494279055,"endHours":24.718541648271714,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:57","end":"08:18","startHours":6.945848004422402,"endHours":8.298823077199584,"quality":"auspicious"},{"name":"Roga","start":"08:18","end":"09:39","startHours":8.298823077199584,"endHours":9.651798149976766,"quality":"inauspicious"},{"name":"Udveg","start":"09:39","end":"11:00","startHours":9.651798149976766,"endHours":11.004773222753947,"quality":"inauspicious"},{"name":"Chala","start":"11:00","end":"12:21","startHours":11.004773222753947,"endHours":12.35774829553113,"quality":"neutral"},{"name":"Labha","start":"12:21","end":"13:43","startHours":12.35774829553113,"endHours":13.710723368308312,"quality":"auspicious"},{"name":"Amṛta","start":"13:43","end":"15:04","startHours":13.710723368308312,"endHours":15.063698441085492,"quality":"auspicious"},{"name":"Kāla","start":"15:04","end":"16:25","startHours":15.063698441085492,"endHours":16.416673513862676,"quality":"inauspicious"},{"name":"Śubha","start":"16:25","end":"17:46","startHours":16.416673513862676,"endHours":17.769648586639857,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:46","end":"19:25","startHours":17.769648586639857,"endHours":19.416673513862676,"quality":"auspicious"},{"name":"Kāla","start":"19:25","end":"21:04","startHours":19.416673513862676,"endHours":21.063698441085492,"quality":"inauspicious"},{"name":"Śubha","start":"21:04","end":"22:43","startHours":21.063698441085492,"endHours":22.71072336830831,"quality":"auspicious"},{"name":"Roga","start":"22:43","end":"00:21","startHours":22.71072336830831,"endHours":24.35774829553113,"quality":"inauspicious"},{"name":"Udveg","start":"00:21","end":"02:00","startHours":24.35774829553113,"endHours":26.004773222753947,"quality":"inauspicious"},{"name":"Chala","start":"02:00","end":"03:39","startHours":26.004773222753947,"endHours":27.651798149976766,"quality":"neutral"},{"name":"Labha","start":"03:39","end":"05:18","startHours":27.651798149976766,"endHours":29.298823077199586,"quality":"auspicious"},{"name":"Amṛta","start":"05:18","end":"06:57","startHours":29.298823077199586,"endHours":30.945848004422402,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:57","end":"07:57","startHours":6.945848004422402,"endHours":7.945848004422402,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:57","end":"08:57","startHours":7.945848004422402,"endHours":8.945848004422402,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:57","end":"09:57","startHours":8.945848004422402,"endHours":9.945848004422402,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:57","end":"10:57","startHours":9.945848004422402,"endHours":10.945848004422402,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:57","end":"11:57","startHours":10.945848004422402,"endHours":11.945848004422402,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:57","end":"12:57","startHours":11.945848004422402,"endHours":12.945848004422402,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:57","end":"13:57","startHours":12.945848004422402,"endHours":13.945848004422402,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:57","end":"14:57","startHours":13.945848004422402,"endHours":14.945848004422402,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:57","end":"15:57","startHours":14.945848004422402,"endHours":15.945848004422402,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:57","end":"16:57","startHours":15.945848004422402,"endHours":16.945848004422402,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:57","end":"17:57","startHours":16.945848004422402,"endHours":17.945848004422402,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:57","end":"18:57","startHours":17.945848004422402,"endHours":18.945848004422402,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:57","end":"19:57","startHours":18.945848004422402,"endHours":19.945848004422402,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:57","end":"20:57","startHours":19.945848004422402,"endHours":20.945848004422402,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:57","end":"21:57","startHours":20.945848004422402,"endHours":21.945848004422402,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:57","end":"22:57","startHours":21.945848004422402,"endHours":22.945848004422402,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:57","end":"23:57","startHours":22.945848004422402,"endHours":23.945848004422402,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:57","end":"00:57","startHours":23.945848004422402,"endHours":24.945848004422402,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:57","end":"01:57","startHours":24.945848004422402,"endHours":25.945848004422402,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:57","end":"02:57","startHours":25.945848004422402,"endHours":26.945848004422402,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:57","end":"03:57","startHours":26.945848004422402,"endHours":27.945848004422402,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:57","end":"04:57","startHours":27.945848004422402,"endHours":28.945848004422402,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:57","end":"05:57","startHours":28.945848004422402,"endHours":29.945848004422402,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:57","end":"06:57","startHours":29.945848004422402,"endHours":30.945848004422402,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Maitra","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":15.343336422601366,"eotMinutes":-4.906897731867799,"ayanamsa":25.2724}},"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 Dvitīyā · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 11, 2101 CE · Perth, Australia · Vidhyamitra","description":"August 11, 2101 CE for Perth, Australia: Kṛṣṇa Dvitīyā, sūryodaya 06:57, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-08-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-08-11","sa":"https://sa.vidhyamitra.com/city/perth/2101-08-11","hi":"https://hi.vidhyamitra.com/city/perth/2101-08-11","x-default":"https://vidhyamitra.com/city/perth/2101-08-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T20:05:18.549Z","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":"2026-06-01T20:05:18.549Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T20:05:18.549Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}