{"id":"vidhyamitra:city-day:perth:1968-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1968-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1968-07-18","date_display":"July 18, 1968 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1968,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440055.770833,"kali_year":5070,"ahargana":1851590.2708,"sun":{"sidereal_longitude":91.6853,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":7.5496,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":275.8643,"elapsed_within_tithi_degrees":11.8643},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.5496,"elapsed_within_degrees":7.5496},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.235},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1968,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440055.770833,"ahargana":1851590.2708,"kali_year":5070,"ayanamsa_lahiri":23.4136,"grahas":{"sun":{"sidereal_longitude":92.06178299999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":9.24328300000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false,"latitude":1.0657},"mars":{"sidereal_longitude":84.829383,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":73.07978300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":132.493083,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":100.13938300000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":2.361682999999971,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":353.837,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":173.837,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1968,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440055.770833,"kali_year":5070,"ahargana":1851590.2708,"sun":{"sidereal_longitude":91.6853,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":7.5496,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":275.8643,"elapsed_within_tithi_degrees":11.8643},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":7.5496,"elapsed_within_degrees":7.5496},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":99.235},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.066,"elongation":84.136},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.066,"opposition_distance":95.864}},"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":"07:14","sunsetLocal":"17:31","solarNoonLocal":"12:22","dayLengthHours":10.293106404100904,"dayLengthDisplay":"10 Hours 17 Mins 35 Secs","nightLengthDisplay":"13 Hours 42 Mins 25 Secs","moonriseLocal":"01:20","moonsetLocal":"12:22","rahuKala":{"name":"Rāhu Kāla","start":"13:40","end":"14:57","startHours":13.660203569187765,"endHours":14.946841869700378,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:14","end":"08:31","startHours":7.2270120666247,"endHours":8.513650367137313,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:48","end":"11:05","startHours":9.800288667649927,"endHours":11.086926968162539,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:38","end":"09:58","startHours":9.628736894248243,"endHours":9.971840441051608,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:39","end":"07:56","startHours":7.655891500128904,"endHours":7.930374337571595,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:43","startHours":12.030461721871788,"endHours":12.716668815478513,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:51","end":"06:32","startHours":5.854597879411246,"endHours":6.5408049730179725,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:22","end":"07:14","startHours":6.369253199616291,"endHours":7.2270120666247,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:47","startHours":14.089083002691968,"endHours":14.775290096298695,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.320118470725603,"endHours":17.720118470725602,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.520118470725603,"endHours":17.948997904229806,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.270118470725603,"endHours":19.020118470725603,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:43","startHours":24.030461721871788,"endHours":24.716668815478513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:14","end":"08:31","startHours":7.2270120666247,"endHours":8.513650367137313,"quality":"auspicious"},{"name":"Roga","start":"08:31","end":"09:48","startHours":8.513650367137313,"endHours":9.800288667649927,"quality":"inauspicious"},{"name":"Udveg","start":"09:48","end":"11:05","startHours":9.800288667649927,"endHours":11.086926968162539,"quality":"inauspicious"},{"name":"Chala","start":"11:05","end":"12:22","startHours":11.086926968162539,"endHours":12.37356526867515,"quality":"neutral"},{"name":"Labha","start":"12:22","end":"13:40","startHours":12.37356526867515,"endHours":13.660203569187765,"quality":"auspicious"},{"name":"Amṛta","start":"13:40","end":"14:57","startHours":13.660203569187765,"endHours":14.946841869700378,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:14","startHours":14.946841869700378,"endHours":16.23348017021299,"quality":"inauspicious"},{"name":"Śubha","start":"16:14","end":"17:31","startHours":16.23348017021299,"endHours":17.520118470725603,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:31","end":"19:14","startHours":17.520118470725603,"endHours":19.23348017021299,"quality":"auspicious"},{"name":"Kāla","start":"19:14","end":"20:57","startHours":19.23348017021299,"endHours":20.94684186970038,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:40","startHours":20.94684186970038,"endHours":22.660203569187765,"quality":"auspicious"},{"name":"Roga","start":"22:40","end":"00:22","startHours":22.660203569187765,"endHours":24.37356526867515,"quality":"inauspicious"},{"name":"Udveg","start":"00:22","end":"02:05","startHours":24.37356526867515,"endHours":26.086926968162537,"quality":"inauspicious"},{"name":"Chala","start":"02:05","end":"03:48","startHours":26.086926968162537,"endHours":27.800288667649923,"quality":"neutral"},{"name":"Labha","start":"03:48","end":"05:31","startHours":27.800288667649923,"endHours":29.513650367137313,"quality":"auspicious"},{"name":"Amṛta","start":"05:31","end":"07:14","startHours":29.513650367137313,"endHours":31.2270120666247,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.2270120666247,"endHours":8.227012066624699,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.227012066624699,"endHours":9.227012066624699,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.227012066624699,"endHours":10.227012066624699,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.227012066624699,"endHours":11.227012066624699,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.227012066624699,"endHours":12.227012066624699,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.227012066624699,"endHours":13.227012066624699,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.227012066624699,"endHours":14.227012066624699,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.227012066624699,"endHours":15.227012066624699,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.227012066624699,"endHours":16.2270120666247,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.2270120666247,"endHours":17.2270120666247,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.2270120666247,"endHours":18.2270120666247,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.2270120666247,"endHours":19.2270120666247,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.2270120666247,"endHours":20.2270120666247,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.2270120666247,"endHours":21.2270120666247,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.2270120666247,"endHours":22.2270120666247,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.2270120666247,"endHours":23.2270120666247,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.2270120666247,"endHours":24.2270120666247,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.2270120666247,"endHours":25.2270120666247,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.2270120666247,"endHours":26.2270120666247,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.2270120666247,"endHours":27.2270120666247,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.2270120666247,"endHours":28.2270120666247,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.2270120666247,"endHours":29.2270120666247,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.2270120666247,"endHours":30.2270120666247,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.2270120666247,"endHours":31.2270120666247,"planetary_lord":"Moon"}],"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":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"East","rahuVasa":"North-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":21.04254009515235,"eotMinutes":-5.85591612050904,"ayanamsa":23.4136}},"calendars":{"vikram_samvat":2025,"vikram_samvatsara":"Durmati","saka_samvat":1890,"saka_samvatsara":"Kīlaka","bengali_samvat":1375,"malayalam_era":1144,"nanakshahi_year":499,"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 Aṣṭamī · Vikram 2025 Durmati · Śaka 1890 Kīlaka"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 18, 1968 CE · Perth, Australia · Vidhyamitra","description":"July 18, 1968 CE for Perth, Australia: Kṛṣṇa Aṣṭamī, sūryodaya 07:14, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1968-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1968-07-18","sa":"https://sa.vidhyamitra.com/city/perth/1968-07-18","hi":"https://hi.vidhyamitra.com/city/perth/1968-07-18","x-default":"https://vidhyamitra.com/city/perth/1968-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-05T20:23:31.516Z","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":"2026-09-05T20:23:31.516Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-05T20:23:31.516Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}