{"id":"vidhyamitra:city-day:perth:1879-07-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1879-07-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1879-07-30","date_display":"July 30, 1879 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":1879,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407560.770833,"kali_year":4981,"ahargana":1819095.2708,"sun":{"sidereal_longitude":104.0501,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":243.3364,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2863,"elapsed_within_tithi_degrees":7.2863},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.3364,"elapsed_within_degrees":3.3364},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.3865},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1879,"month":7,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2407560.770833,"ahargana":1819095.2708,"kali_year":4981,"ayanamsa_lahiri":22.1708,"grahas":{"sun":{"sidereal_longitude":104.29353100000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"moon":{"sidereal_longitude":242.23953099999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-2.399},"mars":{"sidereal_longitude":13.305530999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":132.99413100000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":320.685931,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":150.707831,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":354.605731,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":275.5785,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":95.5785,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1879,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2407560.770833,"kali_year":4981,"ahargana":1819095.2708,"sun":{"sidereal_longitude":104.0501,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":243.3364,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":139.2863,"elapsed_within_tithi_degrees":7.2863},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":243.3364,"elapsed_within_degrees":3.3364},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.3865},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.399,"elongation":139.286},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.399,"opposition_distance":40.714}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":0.789,"opposition_distance":1.379}]},"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":"07:07","sunsetLocal":"17:38","solarNoonLocal":"12:23","dayLengthHours":10.52041008776861,"dayLengthDisplay":"10 Hours 31 Mins 13 Secs","nightLengthDisplay":"13 Hours 28 Mins 47 Secs","moonriseLocal":"14:29","moonsetLocal":"04:40","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:42","startHours":12.37787809527967,"endHours":13.692929356250744,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:26","end":"09:45","startHours":8.432724312366439,"endHours":9.747775573337517,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:23","startHours":11.062826834308591,"endHours":12.37787809527967,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.57243540520804,"endHours":9.923115741466994,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.5560234717190555,"endHours":7.836567740726219,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.027197759020716,"endHours":12.728558431538623,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:25","startHours":5.714951706359549,"endHours":6.416312378877456,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:07","startHours":6.240972210747979,"endHours":7.117673051395363,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.131279776574438,"endHours":14.832640449092345,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.438083139163975,"endHours":17.838083139163974,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:05","startHours":17.638083139163975,"endHours":18.07643355948767,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.388083139163975,"endHours":19.138083139163975,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.027197759020716,"endHours":24.728558431538623,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:07","end":"08:26","startHours":7.117673051395363,"endHours":8.432724312366439,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:45","startHours":8.432724312366439,"endHours":9.747775573337517,"quality":"auspicious"},{"name":"Kāla","start":"09:45","end":"11:04","startHours":9.747775573337517,"endHours":11.062826834308591,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:23","startHours":11.062826834308591,"endHours":12.37787809527967,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:42","startHours":12.37787809527967,"endHours":13.692929356250744,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:00","startHours":13.692929356250744,"endHours":15.007980617221822,"quality":"inauspicious"},{"name":"Chala","start":"15:00","end":"16:19","startHours":15.007980617221822,"endHours":16.323031878192896,"quality":"neutral"},{"name":"Labha","start":"16:19","end":"17:38","startHours":16.323031878192896,"endHours":17.638083139163975,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:38","end":"19:19","startHours":17.638083139163975,"endHours":19.3230318781929,"quality":"inauspicious"},{"name":"Chala","start":"19:19","end":"21:00","startHours":19.3230318781929,"endHours":21.007980617221822,"quality":"neutral"},{"name":"Labha","start":"21:00","end":"22:42","startHours":21.007980617221822,"endHours":22.692929356250744,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:23","startHours":22.692929356250744,"endHours":24.37787809527967,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:04","startHours":24.37787809527967,"endHours":26.062826834308595,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:45","startHours":26.062826834308595,"endHours":27.747775573337517,"quality":"auspicious"},{"name":"Roga","start":"03:45","end":"05:26","startHours":27.747775573337517,"endHours":29.43272431236644,"quality":"inauspicious"},{"name":"Udveg","start":"05:26","end":"07:07","startHours":29.43272431236644,"endHours":31.117673051395364,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.117673051395363,"endHours":8.117673051395364,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.117673051395364,"endHours":9.117673051395364,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.117673051395364,"endHours":10.117673051395364,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.117673051395364,"endHours":11.117673051395364,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.117673051395364,"endHours":12.117673051395364,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.117673051395364,"endHours":13.117673051395364,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.117673051395364,"endHours":14.117673051395364,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.117673051395364,"endHours":15.117673051395364,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.117673051395364,"endHours":16.117673051395364,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.117673051395364,"endHours":17.117673051395364,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.117673051395364,"endHours":18.117673051395364,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.117673051395364,"endHours":19.117673051395364,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.117673051395364,"endHours":20.117673051395364,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.117673051395364,"endHours":21.117673051395364,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.117673051395364,"endHours":22.117673051395364,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.117673051395364,"endHours":23.117673051395364,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.117673051395364,"endHours":24.117673051395364,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.117673051395364,"endHours":25.117673051395364,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.117673051395364,"endHours":26.117673051395364,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.117673051395364,"endHours":27.117673051395364,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.117673051395364,"endHours":28.117673051395364,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.117673051395364,"endHours":29.117673051395364,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.117673051395364,"endHours":30.117673051395364,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.117673051395364,"endHours":31.117673051395364,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Dhūmra","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":18.65489309248943,"eotMinutes":-6.1146857167802535,"ayanamsa":22.1708}},"calendars":{"vikram_samvat":1936,"vikram_samvatsara":"Nandana","saka_samvat":1801,"saka_samvatsara":"Pramāthi","bengali_samvat":1286,"malayalam_era":1055,"nanakshahi_year":410,"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 Dvādaśī · Vikram 1936 Nandana · Śaka 1801 Pramāthi"},"festivals":[],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 July 30, 1879 CE · Perth, Australia · Vidhyamitra","description":"July 30, 1879 CE for Perth, Australia: Śukla Dvādaśī, sūryodaya 07:07, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1879-07-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1879-07-30","sa":"https://sa.vidhyamitra.com/city/perth/1879-07-30","hi":"https://hi.vidhyamitra.com/city/perth/1879-07-30","x-default":"https://vidhyamitra.com/city/perth/1879-07-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:45:56.118Z","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":"2026-05-31T16:45:56.118Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:45:56.118Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}