{"id":"vidhyamitra:city-day:perth:2139-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2139-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-08-01","date_display":"August 1, 2139 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":2139,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502525.770833,"kali_year":5241,"ahargana":1914060.2708,"sun":{"sidereal_longitude":101.8866,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":172.7726,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.8859,"elapsed_within_tithi_degrees":10.8859},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.7726,"elapsed_within_degrees":12.7726},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.6592},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2139,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502525.770833,"ahargana":1914060.2708,"kali_year":5241,"ayanamsa_lahiri":25.8028,"grahas":{"sun":{"sidereal_longitude":102.74536999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":170.05106999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false,"latitude":-4.1976},"mars":{"sidereal_longitude":73.25287000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":91.29066999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":279.26316999999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":106.15926999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":287.59667,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":283.8757,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":103.8757,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2139,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502525.770833,"kali_year":5241,"ahargana":1914060.2708,"sun":{"sidereal_longitude":101.8866,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":172.7726,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":70.8859,"elapsed_within_tithi_degrees":10.8859},"nakshatra":{"number":13,"name":"Hasta","pada":4,"moon_longitude":172.7726,"elapsed_within_degrees":12.7726},"yoga":{"number":21,"name":"Siddha","sum_longitude":274.6592},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.198,"elongation":70.886},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.198,"opposition_distance":109.114}},"eclipse_window_40days":[{"offset_days":-6,"type":"solar","occurs":true,"moon_latitude":0.42,"elongation":2.643}]},"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":10.569985963183335,"dayLengthDisplay":"10 Hours 34 Mins 12 Secs","nightLengthDisplay":"13 Hours 25 Mins 48 Secs","moonriseLocal":"10:33","moonsetLocal":"23:10","rahuKala":{"name":"Rāhu Kāla","start":"09:44","end":"11:03","startHours":9.733764673649336,"endHours":11.055012919047254,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:01","startHours":13.697509409843088,"endHours":15.018757655241004,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:05","end":"08:25","startHours":7.091268182853503,"endHours":8.41251642825142,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:33","end":"09:55","startHours":9.557598240929615,"endHours":9.90993110636906,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.531684264652809,"endHours":7.813550557004365,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.023928299005727,"endHours":12.728594029884617,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.681936721095726,"endHours":6.386602451974614,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:05","startHours":6.210436019254892,"endHours":7.091268182853503,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:51","startHours":14.137925491642392,"endHours":14.84259122252128,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.46125414603684,"endHours":17.86125414603684,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:06","startHours":17.66125414603684,"endHours":18.101670227836145,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.41125414603684,"endHours":19.16125414603684,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.02392829900573,"endHours":24.728594029884615,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:05","end":"08:25","startHours":7.091268182853503,"endHours":8.41251642825142,"quality":"inauspicious"},{"name":"Śubha","start":"08:25","end":"09:44","startHours":8.41251642825142,"endHours":9.733764673649336,"quality":"auspicious"},{"name":"Roga","start":"09:44","end":"11:03","startHours":9.733764673649336,"endHours":11.055012919047254,"quality":"inauspicious"},{"name":"Udveg","start":"11:03","end":"12:23","startHours":11.055012919047254,"endHours":12.376261164445172,"quality":"inauspicious"},{"name":"Chala","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.697509409843088,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:01","startHours":13.697509409843088,"endHours":15.018757655241004,"quality":"auspicious"},{"name":"Amṛta","start":"15:01","end":"16:20","startHours":15.018757655241004,"endHours":16.34000590063892,"quality":"auspicious"},{"name":"Kāla","start":"16:20","end":"17:40","startHours":16.34000590063892,"endHours":17.66125414603684,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:40","end":"19:20","startHours":17.66125414603684,"endHours":19.34000590063892,"quality":"auspicious"},{"name":"Amṛta","start":"19:20","end":"21:01","startHours":19.34000590063892,"endHours":21.018757655241004,"quality":"auspicious"},{"name":"Kāla","start":"21:01","end":"22:42","startHours":21.018757655241004,"endHours":22.69750940984309,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:23","startHours":22.69750940984309,"endHours":24.37626116444517,"quality":"auspicious"},{"name":"Roga","start":"00:23","end":"02:03","startHours":24.37626116444517,"endHours":26.055012919047254,"quality":"inauspicious"},{"name":"Udveg","start":"02:03","end":"03:44","startHours":26.055012919047254,"endHours":27.73376467364934,"quality":"inauspicious"},{"name":"Chala","start":"03:44","end":"05:25","startHours":27.73376467364934,"endHours":29.412516428251422,"quality":"neutral"},{"name":"Labha","start":"05:25","end":"07:05","startHours":29.412516428251422,"endHours":31.091268182853504,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.091268182853503,"endHours":8.091268182853504,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.091268182853504,"endHours":9.091268182853504,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.091268182853504,"endHours":10.091268182853504,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.091268182853504,"endHours":11.091268182853504,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.091268182853504,"endHours":12.091268182853504,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.091268182853504,"endHours":13.091268182853504,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.091268182853504,"endHours":14.091268182853504,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.091268182853504,"endHours":15.091268182853504,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.091268182853504,"endHours":16.091268182853504,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.091268182853504,"endHours":17.091268182853504,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.091268182853504,"endHours":18.091268182853504,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.091268182853504,"endHours":19.091268182853504,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.091268182853504,"endHours":20.091268182853504,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.091268182853504,"endHours":21.091268182853504,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.091268182853504,"endHours":22.091268182853504,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.091268182853504,"endHours":23.091268182853504,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.091268182853504,"endHours":24.091268182853504,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.091268182853504,"endHours":25.091268182853504,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.091268182853504,"endHours":26.091268182853504,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.091268182853504,"endHours":27.091268182853504,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.091268182853504,"endHours":28.091268182853504,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.091268182853504,"endHours":29.091268182853504,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.091268182853504,"endHours":30.091268182853504,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.091268182853504,"endHours":31.091268182853504,"planetary_lord":"Mercury"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","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":18.12314671278316,"eotMinutes":-6.017669866710306,"ayanamsa":25.8028}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Ṣaṣṭhī · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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, 2139 CE · Perth, Australia · Vidhyamitra","description":"August 1, 2139 CE for Perth, Australia: Śukla Ṣaṣṭhī, sūryodaya 07:05, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2139-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2139-08-01","sa":"https://sa.vidhyamitra.com/city/perth/2139-08-01","hi":"https://hi.vidhyamitra.com/city/perth/2139-08-01","x-default":"https://vidhyamitra.com/city/perth/2139-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T08:30:33.885Z","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":"2026-05-25T08:30:33.885Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T08:30:33.885Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}