{"id":"vidhyamitra:city-day:perth:1986-07-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1986-07-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1986-07-30","date_display":"July 30, 1986 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":1986,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446641.770833,"kali_year":5088,"ahargana":1858176.2708,"sun":{"sidereal_longitude":102.4469,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":26.2263,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.7794,"elapsed_within_tithi_degrees":7.7794},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":26.2263,"elapsed_within_degrees":12.893},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.6732},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1986,"month":7,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446641.770833,"ahargana":1858176.2708,"kali_year":5088,"ayanamsa_lahiri":23.6655,"grahas":{"sun":{"sidereal_longitude":102.93824999999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":28.201450000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false,"latitude":1.6366},"mars":{"sidereal_longitude":259.15935,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":92.93345,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":329.5263500000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":146.99804999999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":219.11535000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":4.879,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":184.879,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":1986,"month":7,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446641.770833,"kali_year":5088,"ahargana":1858176.2708,"sun":{"sidereal_longitude":102.4469,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":26.2263,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.7794,"elapsed_within_tithi_degrees":7.7794},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4,"moon_longitude":26.2263,"elapsed_within_degrees":12.893},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":128.6732},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.637,"elongation":76.221},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.637,"opposition_distance":103.779}},"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":"07:07","sunsetLocal":"17:38","solarNoonLocal":"12:23","dayLengthHours":10.523668987799745,"dayLengthDisplay":"10 Hours 31 Mins 25 Secs","nightLengthDisplay":"13 Hours 28 Mins 35 Secs","moonriseLocal":"02:08","moonsetLocal":"12:39","rahuKala":{"name":"Rāhu Kāla","start":"12:23","end":"13:42","startHours":12.37787809527967,"endHours":13.693336718754637,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:26","end":"09:45","startHours":8.431502224854764,"endHours":9.746960848329733,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:04","end":"12:23","startHours":11.062419471804702,"endHours":12.37787809527967,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:34","end":"09:55","startHours":9.571566365199738,"endHours":9.922355331459729,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:50","startHours":7.554529809204786,"endHours":7.83516098221278,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.027089129019679,"endHours":12.72866706153966,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:25","startHours":5.712887736339831,"endHours":6.414465668859814,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:07","startHours":6.239071185729818,"endHours":7.116043601379797,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:08","end":"14:50","startHours":14.131822926579627,"endHours":14.83340085909961,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.439712589179543,"endHours":17.83971258917954,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:05","startHours":17.639712589179542,"endHours":18.078198797004532,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.389712589179542,"endHours":19.139712589179542,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.02708912901968,"endHours":24.72866706153966,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:07","end":"08:26","startHours":7.116043601379797,"endHours":8.431502224854764,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:45","startHours":8.431502224854764,"endHours":9.746960848329733,"quality":"auspicious"},{"name":"Kāla","start":"09:45","end":"11:04","startHours":9.746960848329733,"endHours":11.062419471804702,"quality":"inauspicious"},{"name":"Śubha","start":"11:04","end":"12:23","startHours":11.062419471804702,"endHours":12.37787809527967,"quality":"auspicious"},{"name":"Roga","start":"12:23","end":"13:42","startHours":12.37787809527967,"endHours":13.693336718754637,"quality":"inauspicious"},{"name":"Udveg","start":"13:42","end":"15:01","startHours":13.693336718754637,"endHours":15.008795342229606,"quality":"inauspicious"},{"name":"Chala","start":"15:01","end":"16:19","startHours":15.008795342229606,"endHours":16.324253965704575,"quality":"neutral"},{"name":"Labha","start":"16:19","end":"17:38","startHours":16.324253965704575,"endHours":17.639712589179542,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:38","end":"19:19","startHours":17.639712589179542,"endHours":19.324253965704575,"quality":"inauspicious"},{"name":"Chala","start":"19:19","end":"21:01","startHours":19.324253965704575,"endHours":21.008795342229604,"quality":"neutral"},{"name":"Labha","start":"21:01","end":"22:42","startHours":21.008795342229604,"endHours":22.693336718754637,"quality":"auspicious"},{"name":"Amṛta","start":"22:42","end":"00:23","startHours":22.693336718754637,"endHours":24.37787809527967,"quality":"auspicious"},{"name":"Kāla","start":"00:23","end":"02:04","startHours":24.37787809527967,"endHours":26.062419471804702,"quality":"inauspicious"},{"name":"Śubha","start":"02:04","end":"03:45","startHours":26.062419471804702,"endHours":27.746960848329735,"quality":"auspicious"},{"name":"Roga","start":"03:45","end":"05:26","startHours":27.746960848329735,"endHours":29.431502224854764,"quality":"inauspicious"},{"name":"Udveg","start":"05:26","end":"07:07","startHours":29.431502224854764,"endHours":31.116043601379797,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.116043601379797,"endHours":8.116043601379797,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.116043601379797,"endHours":9.116043601379797,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.116043601379797,"endHours":10.116043601379797,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.116043601379797,"endHours":11.116043601379797,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.116043601379797,"endHours":12.116043601379797,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.116043601379797,"endHours":13.116043601379797,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.116043601379797,"endHours":14.116043601379797,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.116043601379797,"endHours":15.116043601379797,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.116043601379797,"endHours":16.116043601379797,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.116043601379797,"endHours":17.116043601379797,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.116043601379797,"endHours":18.116043601379797,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.116043601379797,"endHours":19.116043601379797,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.116043601379797,"endHours":20.116043601379797,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.116043601379797,"endHours":21.116043601379797,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.116043601379797,"endHours":22.116043601379797,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.116043601379797,"endHours":23.116043601379797,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.116043601379797,"endHours":24.116043601379797,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.116043601379797,"endHours":25.116043601379797,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.116043601379797,"endHours":26.116043601379797,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.116043601379797,"endHours":27.116043601379797,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.116043601379797,"endHours":28.116043601379797,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.116043601379797,"endHours":29.116043601379797,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.116043601379797,"endHours":30.116043601379797,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.116043601379797,"endHours":31.116043601379797,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":18.62005595623879,"eotMinutes":-6.1146857167802535,"ayanamsa":23.6655}},"calendars":{"vikram_samvat":2043,"vikram_samvatsara":"Pramāthi","saka_samvat":1908,"saka_samvatsara":"Akṣaya","bengali_samvat":1393,"malayalam_era":1162,"nanakshahi_year":517,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","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 Kṛṣṇa Navamī · Vikram 2043 Pramāthi · Śaka 1908 Akṣaya"},"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, 1986 CE · Perth, Australia · Vidhyamitra","description":"July 30, 1986 CE for Perth, Australia: Kṛṣṇa Navamī, sūryodaya 07:07, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1986-07-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1986-07-30","sa":"https://sa.vidhyamitra.com/city/perth/1986-07-30","hi":"https://hi.vidhyamitra.com/city/perth/1986-07-30","x-default":"https://vidhyamitra.com/city/perth/1986-07-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:52:49.641Z","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":"2026-05-31T12:52:49.641Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:52:49.641Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}