{"id":"vidhyamitra:city-day:perth:2107-08-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2107-08-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-08-01","date_display":"August 1, 2107 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":2107,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490837.770833,"kali_year":5209,"ahargana":1902372.2708,"sun":{"sidereal_longitude":102.1528,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":249.9247,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.7719,"elapsed_within_tithi_degrees":3.7719},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":249.9247,"elapsed_within_degrees":9.9247},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.0775},"karana":{"half_tithi_index":24,"name":"Kaulava"},"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":2107,"month":8,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490837.770833,"ahargana":1902372.2708,"kali_year":5209,"ayanamsa_lahiri":25.3558,"grahas":{"sun":{"sidereal_longitude":102.935338,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":251.442638,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":4.1343},"mars":{"sidereal_longitude":70.880338,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":107.91093799999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":47.628738,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":104.31133799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":256.21083799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":183.1622,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":3.1622,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"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":2107,"month":8,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490837.770833,"kali_year":5209,"ahargana":1902372.2708,"sun":{"sidereal_longitude":102.1528,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":249.9247,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.7719,"elapsed_within_tithi_degrees":3.7719},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":249.9247,"elapsed_within_degrees":9.9247},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.0775},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.134,"elongation":147.772},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.134,"opposition_distance":32.228}},"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":"07:06","sunsetLocal":"17:39","solarNoonLocal":"12:23","dayLengthHours":10.563772268465549,"dayLengthDisplay":"10 Hours 33 Mins 50 Secs","nightLengthDisplay":"13 Hours 26 Mins 10 Secs","moonriseLocal":"15:11","moonsetLocal":"05:22","rahuKala":{"name":"Rāhu Kāla","start":"08:25","end":"09:44","startHours":8.414846563770592,"endHours":9.735318097328786,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:03","end":"12:23","startHours":11.055789630886979,"endHours":12.376261164445172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:01","startHours":13.696732698003366,"endHours":15.01720423156156,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.559255226187693,"endHours":9.911380968469878,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:32","end":"07:49","startHours":7.534532208065129,"endHours":7.816232801890877,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.024135422162987,"endHours":12.728386906727357,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.685872061083659,"endHours":6.390123545648028,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:06","startHours":6.2140606745069356,"endHours":7.094375030212398,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.136889875856099,"endHours":14.841141360420469,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.458147298677947,"endHours":17.858147298677945,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:06","startHours":17.658147298677946,"endHours":18.09830447653068,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.408147298677946,"endHours":19.158147298677946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.02413542216299,"endHours":24.728386906727355,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:06","end":"08:25","startHours":7.094375030212398,"endHours":8.414846563770592,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"09:44","startHours":8.414846563770592,"endHours":9.735318097328786,"quality":"inauspicious"},{"name":"Śubha","start":"09:44","end":"11:03","startHours":9.735318097328786,"endHours":11.055789630886979,"quality":"auspicious"},{"name":"Roga","start":"11:03","end":"12:23","startHours":11.055789630886979,"endHours":12.376261164445172,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:42","startHours":12.376261164445172,"endHours":13.696732698003366,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:01","startHours":13.696732698003366,"endHours":15.01720423156156,"quality":"neutral"},{"name":"Labha","start":"15:01","end":"16:20","startHours":15.01720423156156,"endHours":16.33767576511975,"quality":"auspicious"},{"name":"Amṛta","start":"16:20","end":"17:39","startHours":16.33767576511975,"endHours":17.658147298677946,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:39","end":"19:20","startHours":17.658147298677946,"endHours":19.33767576511975,"quality":"neutral"},{"name":"Labha","start":"19:20","end":"21:01","startHours":19.33767576511975,"endHours":21.017204231561557,"quality":"auspicious"},{"name":"Amṛta","start":"21:01","end":"22:42","startHours":21.017204231561557,"endHours":22.696732698003366,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:23","startHours":22.696732698003366,"endHours":24.37626116444517,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"02:03","startHours":24.37626116444517,"endHours":26.055789630886977,"quality":"auspicious"},{"name":"Roga","start":"02:03","end":"03:44","startHours":26.055789630886977,"endHours":27.735318097328786,"quality":"inauspicious"},{"name":"Udveg","start":"03:44","end":"05:25","startHours":27.735318097328786,"endHours":29.414846563770592,"quality":"inauspicious"},{"name":"Chala","start":"05:25","end":"07:06","startHours":29.414846563770592,"endHours":31.094375030212397,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:06","end":"08:06","startHours":7.094375030212398,"endHours":8.094375030212397,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:06","end":"09:06","startHours":8.094375030212397,"endHours":9.094375030212397,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:06","end":"10:06","startHours":9.094375030212397,"endHours":10.094375030212397,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:06","end":"11:06","startHours":10.094375030212397,"endHours":11.094375030212397,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:06","end":"12:06","startHours":11.094375030212397,"endHours":12.094375030212397,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:06","end":"13:06","startHours":12.094375030212397,"endHours":13.094375030212397,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:06","end":"14:06","startHours":13.094375030212397,"endHours":14.094375030212397,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:06","end":"15:06","startHours":14.094375030212397,"endHours":15.094375030212397,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:06","end":"16:06","startHours":15.094375030212397,"endHours":16.094375030212397,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:06","end":"17:06","startHours":16.094375030212397,"endHours":17.094375030212397,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:06","end":"18:06","startHours":17.094375030212397,"endHours":18.094375030212397,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:06","end":"19:06","startHours":18.094375030212397,"endHours":19.094375030212397,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:06","end":"20:06","startHours":19.094375030212397,"endHours":20.094375030212397,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:06","end":"21:06","startHours":20.094375030212397,"endHours":21.094375030212397,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:06","end":"22:06","startHours":21.094375030212397,"endHours":22.094375030212397,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:06","end":"23:06","startHours":22.094375030212397,"endHours":23.094375030212397,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:06","end":"00:06","startHours":23.094375030212397,"endHours":24.094375030212397,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:06","end":"01:06","startHours":24.094375030212397,"endHours":25.094375030212397,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:06","end":"02:06","startHours":25.094375030212397,"endHours":26.094375030212397,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:06","end":"03:06","startHours":26.094375030212397,"endHours":27.094375030212397,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:06","end":"04:06","startHours":27.094375030212397,"endHours":28.094375030212397,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:06","end":"05:06","startHours":28.094375030212397,"endHours":29.094375030212397,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:06","end":"06:06","startHours":29.094375030212397,"endHours":30.094375030212397,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:06","end":"07:06","startHours":30.094375030212397,"endHours":31.094375030212397,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","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":18.190002931939603,"eotMinutes":-6.017669866710306,"ayanamsa":25.3558}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Trayodaśī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"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":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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, 2107 CE · Perth, Australia · Vidhyamitra","description":"August 1, 2107 CE for Perth, Australia: Śukla Trayodaśī, sūryodaya 07:06, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2107-08-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2107-08-01","sa":"https://sa.vidhyamitra.com/city/perth/2107-08-01","hi":"https://hi.vidhyamitra.com/city/perth/2107-08-01","x-default":"https://vidhyamitra.com/city/perth/2107-08-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T13:00:25.250Z","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":"2026-05-21T13:00:25.250Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T13:00:25.250Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}