{"id":"vidhyamitra:city-day:perth:2101-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2101-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2101-08-01","date_display":"August 1, 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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488646.770833,"kali_year":5203,"ahargana":1900181.2708,"sun":{"sidereal_longitude":102.6778,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":173.6757,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.9979,"elapsed_within_tithi_degrees":10.9979},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.6757,"elapsed_within_degrees":0.3423},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.3534},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488646.770833,"ahargana":1900181.2708,"kali_year":5203,"ayanamsa_lahiri":25.272,"grahas":{"sun":{"sidereal_longitude":103.44965000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":172.27774999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-3.6588},"mars":{"sidereal_longitude":22.710050000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":117.93775,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":198.02504999999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":139.77675,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":186.01795000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":299.252,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":119.252,"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":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488646.770833,"kali_year":5203,"ahargana":1900181.2708,"sun":{"sidereal_longitude":102.6778,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":173.6757,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.9979,"elapsed_within_tithi_degrees":10.9979},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":173.6757,"elapsed_within_degrees":0.3423},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.3534},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.659,"elongation":70.998},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.659,"opposition_distance":109.002}},"eclipse_window_40days":[{"offset_days":8,"type":"lunar","occurs":true,"moon_latitude":-0.866,"opposition_distance":2.572}]},"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":"07:05","sunsetLocal":"17:40","solarNoonLocal":"12:23","dayLengthHours":10.57419515745662,"dayLengthDisplay":"10 Hours 34 Mins 27 Secs","nightLengthDisplay":"13 Hours 25 Mins 33 Secs","moonriseLocal":"10:38","moonsetLocal":"23:18","rahuKala":{"name":"Rāhu Kāla","start":"08:25","end":"09:44","startHours":8.41093798039894,"endHours":9.732712375081018,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:03","end":"12:23","startHours":11.054486769763095,"endHours":12.376261164445172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:01","startHours":13.69803555912725,"endHours":15.019809953809327,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.556475789123407,"endHours":9.908948961038629,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.529755050610889,"endHours":7.811733588143065,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.02378799252995,"endHours":12.728734336360393,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.6792708980559805,"endHours":6.384217241886422,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:05","startHours":6.207980655928811,"endHours":7.089163585716863,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:51","startHours":14.138627024021275,"endHours":14.843573367851716,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.463358743173483,"endHours":17.86335874317348,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:06","startHours":17.663358743173482,"endHours":18.10395020806751,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.413358743173482,"endHours":19.163358743173482,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.02378799252995,"endHours":24.728734336360393,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:05","end":"08:25","startHours":7.089163585716863,"endHours":8.41093798039894,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"09:44","startHours":8.41093798039894,"endHours":9.732712375081018,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:03","startHours":9.732712375081018,"endHours":11.054486769763095,"quality":"auspicious"},{"name":"Roga","start":"11:03","end":"12:23","startHours":11.054486769763095,"endHours":12.376261164445172,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.69803555912725,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:01","startHours":13.69803555912725,"endHours":15.019809953809327,"quality":"neutral"},{"name":"Labha","start":"15:01","end":"16:20","startHours":15.019809953809327,"endHours":16.341584348491406,"quality":"auspicious"},{"name":"Amṛta","start":"16:20","end":"17:40","startHours":16.341584348491406,"endHours":17.663358743173482,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:40","end":"19:20","startHours":17.663358743173482,"endHours":19.341584348491406,"quality":"neutral"},{"name":"Labha","start":"19:20","end":"21:01","startHours":19.341584348491406,"endHours":21.01980995380933,"quality":"auspicious"},{"name":"Amṛta","start":"21:01","end":"22:42","startHours":21.01980995380933,"endHours":22.69803555912725,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:23","startHours":22.69803555912725,"endHours":24.37626116444517,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:03","startHours":24.37626116444517,"endHours":26.054486769763095,"quality":"auspicious"},{"name":"Roga","start":"02:03","end":"03:44","startHours":26.054486769763095,"endHours":27.732712375081018,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:25","startHours":27.732712375081018,"endHours":29.41093798039894,"quality":"inauspicious"},{"name":"Chala","start":"05:25","end":"07:05","startHours":29.41093798039894,"endHours":31.08916358571686,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.089163585716863,"endHours":8.089163585716863,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.089163585716863,"endHours":9.089163585716863,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.089163585716863,"endHours":10.089163585716863,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.089163585716863,"endHours":11.089163585716863,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.089163585716863,"endHours":12.089163585716863,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.089163585716863,"endHours":13.089163585716863,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.089163585716863,"endHours":14.089163585716863,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.089163585716863,"endHours":15.089163585716863,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.089163585716863,"endHours":16.08916358571686,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.08916358571686,"endHours":17.08916358571686,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.08916358571686,"endHours":18.08916358571686,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.08916358571686,"endHours":19.08916358571686,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.08916358571686,"endHours":20.08916358571686,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.08916358571686,"endHours":21.08916358571686,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.08916358571686,"endHours":22.08916358571686,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.08916358571686,"endHours":23.08916358571686,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.08916358571686,"endHours":24.08916358571686,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.08916358571686,"endHours":25.08916358571686,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.08916358571686,"endHours":26.08916358571686,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.08916358571686,"endHours":27.08916358571686,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.08916358571686,"endHours":28.08916358571686,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.08916358571686,"endHours":29.08916358571686,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.08916358571686,"endHours":30.08916358571686,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.08916358571686,"endHours":31.08916358571686,"planetary_lord":"Venus"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāṇa","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":18.07782417276481,"eotMinutes":-6.017669866710306,"ayanamsa":25.272}},"calendars":{"vikram_samvat":2158,"vikram_samvatsara":"Bhāva","saka_samvat":2023,"saka_samvatsara":"Durmati","bengali_samvat":1508,"malayalam_era":1277,"nanakshahi_year":632,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 2158 Bhāva · Śaka 2023 Durmati"},"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":"Karka"},"precedence":2},{"id":"kalki-jayanti","name":"Kalki Jayantī","name_sanskrit":"कल्कि जयन्ती","tradition":"Vaishnava","associated_deity":"Kalki (10th daśāvatāra of Krishna)","deity_avatara_index":22,"significance":"Future Kalki avatāra — to manifest at end of Kali Yuga; observed Śrāvaṇa Śukla 6.","vrata":false,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Bhāgavata 12.2.18-20","Kalki Purāṇa"]}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 1, 2101 CE · Perth, Australia · Vidhyamitra","description":"August 1, 2101 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 07:05, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2101-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2101-08-01","sa":"https://sa.vidhyamitra.com/city/perth/2101-08-01","hi":"https://hi.vidhyamitra.com/city/perth/2101-08-01","x-default":"https://vidhyamitra.com/city/perth/2101-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T02:46:01.729Z","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":"2026-05-21T02:46:01.729Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T02:46:01.729Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}