{"id":"vidhyamitra:city-day:perth:2169-08-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/2169-08-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2169-08-07","date_display":"August 7, 2169 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":2169,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513489.770833,"kali_year":5271,"ahargana":1925024.2708,"sun":{"sidereal_longitude":107.8173,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":279.6403,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.8229,"elapsed_within_tithi_degrees":3.8229},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.6403,"elapsed_within_degrees":12.9736},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.4576},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2169,"month":8,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513489.770833,"ahargana":1925024.2708,"kali_year":5271,"ayanamsa_lahiri":26.2222,"grahas":{"sun":{"sidereal_longitude":108.78596500000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":279.662965,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.6869},"mars":{"sidereal_longitude":66.40096499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":119.68366500000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":117.21166500000004,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":78.86866500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":293.60066500000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":62.9503,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":242.9503,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2169,"month":8,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513489.770833,"kali_year":5271,"ahargana":1925024.2708,"sun":{"sidereal_longitude":107.8173,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":279.6403,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":171.8229,"elapsed_within_tithi_degrees":3.8229},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.6403,"elapsed_within_degrees":12.9736},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":27.4576},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.687,"elongation":171.823},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.687,"opposition_distance":8.177}},"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":"07:00","sunsetLocal":"17:44","solarNoonLocal":"12:22","dayLengthHours":10.734515069495103,"dayLengthDisplay":"10 Hours 44 Mins 04 Secs","nightLengthDisplay":"13 Hours 15 Mins 56 Secs","moonriseLocal":"16:54","moonsetLocal":"06:38","rahuKala":{"name":"Rāhu Kāla","start":"08:21","end":"09:41","startHours":8.341788445858096,"endHours":9.683602829544984,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:22","startHours":11.025417213231872,"endHours":12.36723159691876,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:03","startHours":13.709045980605648,"endHours":15.050860364292536,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:52","startHours":9.5046942450534,"endHours":9.86251141403657,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.447245523400171,"endHours":7.733499258586707,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:01","end":"12:44","startHours":12.00941442793559,"endHours":12.72504876590193,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:17","startHours":5.568705386238528,"endHours":6.284339724204869,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"07:00","startHours":6.105431139713283,"endHours":6.9999740621712085,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"14:52","startHours":14.156317441834611,"endHours":14.871951779800952,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:32","end":"17:56","startHours":17.534489131666312,"endHours":17.93448913166631,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:44","end":"18:11","startHours":17.73448913166631,"endHours":18.181760592895273,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:29","end":"19:14","startHours":17.48448913166631,"endHours":19.23448913166631,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:01","end":"00:44","startHours":24.00941442793559,"endHours":24.72504876590193,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:00","end":"08:21","startHours":6.9999740621712085,"endHours":8.341788445858096,"quality":"auspicious"},{"name":"Kāla","start":"08:21","end":"09:41","startHours":8.341788445858096,"endHours":9.683602829544984,"quality":"inauspicious"},{"name":"Śubha","start":"09:41","end":"11:02","startHours":9.683602829544984,"endHours":11.025417213231872,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:22","startHours":11.025417213231872,"endHours":12.36723159691876,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:43","startHours":12.36723159691876,"endHours":13.709045980605648,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:03","startHours":13.709045980605648,"endHours":15.050860364292536,"quality":"neutral"},{"name":"Labha","start":"15:03","end":"16:24","startHours":15.050860364292536,"endHours":16.392674747979424,"quality":"auspicious"},{"name":"Amṛta","start":"16:24","end":"17:44","startHours":16.392674747979424,"endHours":17.73448913166631,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:44","end":"19:24","startHours":17.73448913166631,"endHours":19.392674747979424,"quality":"neutral"},{"name":"Labha","start":"19:24","end":"21:03","startHours":19.392674747979424,"endHours":21.050860364292536,"quality":"auspicious"},{"name":"Amṛta","start":"21:03","end":"22:43","startHours":21.050860364292536,"endHours":22.709045980605648,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:22","startHours":22.709045980605648,"endHours":24.36723159691876,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"02:02","startHours":24.36723159691876,"endHours":26.025417213231872,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:41","startHours":26.025417213231872,"endHours":27.683602829544984,"quality":"inauspicious"},{"name":"Udveg","start":"03:41","end":"05:21","startHours":27.683602829544984,"endHours":29.341788445858096,"quality":"inauspicious"},{"name":"Chala","start":"05:21","end":"07:00","startHours":29.341788445858096,"endHours":30.99997406217121,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.9999740621712085,"endHours":7.9999740621712085,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.9999740621712085,"endHours":8.999974062171209,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.999974062171209,"endHours":9.999974062171209,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.999974062171209,"endHours":10.999974062171209,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.999974062171209,"endHours":11.999974062171209,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.999974062171209,"endHours":12.999974062171209,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.999974062171209,"endHours":13.999974062171209,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.999974062171209,"endHours":14.999974062171209,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.999974062171209,"endHours":15.999974062171209,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.999974062171209,"endHours":16.99997406217121,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.99997406217121,"endHours":17.99997406217121,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.99997406217121,"endHours":18.99997406217121,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.99997406217121,"endHours":19.99997406217121,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.99997406217121,"endHours":20.99997406217121,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.99997406217121,"endHours":21.99997406217121,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.99997406217121,"endHours":22.99997406217121,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.99997406217121,"endHours":23.99997406217121,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.99997406217121,"endHours":24.99997406217121,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.99997406217121,"endHours":25.99997406217121,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.99997406217121,"endHours":26.99997406217121,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.99997406217121,"endHours":27.99997406217121,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.99997406217121,"endHours":28.99997406217121,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.99997406217121,"endHours":29.99997406217121,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.99997406217121,"endHours":30.99997406217121,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","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":16.331792088623892,"eotMinutes":-5.475895815125568,"ayanamsa":26.2222}},"calendars":{"vikram_samvat":2226,"vikram_samvatsara":"Citrabhānu","saka_samvat":2091,"saka_samvatsara":"Śukla","bengali_samvat":1576,"malayalam_era":1345,"nanakshahi_year":700,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","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":"Śrāvaṇa Śukla Pūrṇimā · Vikram 2226 Citrabhānu · Śaka 2091 Śukla"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 7, 2169 CE · Perth, Australia · Vidhyamitra","description":"August 7, 2169 CE for Perth, Australia: Śukla Pūrṇimā, sūryodaya 07:00, sūryāsta 17:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/2169-08-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/2169-08-07","sa":"https://sa.vidhyamitra.com/city/perth/2169-08-07","hi":"https://hi.vidhyamitra.com/city/perth/2169-08-07","x-default":"https://vidhyamitra.com/city/perth/2169-08-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T15:46:57.285Z","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":"2026-05-31T15:46:57.285Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:46:57.285Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}