{"id":"vidhyamitra:city-day:perth:1966-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/perth/1966-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-02-15","date_display":"February 15, 1966 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":1966,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439171.770833,"kali_year":5067,"ahargana":1850706.2708,"sun":{"sidereal_longitude":302.7099,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":240.8226,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.1127,"elapsed_within_tithi_degrees":10.1127},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.8226,"elapsed_within_degrees":0.8226},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.5325},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1966,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439171.770833,"ahargana":1850706.2708,"kali_year":5067,"ayanamsa_lahiri":23.3798,"grahas":{"sun":{"sidereal_longitude":302.53085899999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":243.25335900000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-1.5485},"mars":{"sidereal_longitude":319.53635899999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":310.0410589999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":58.460758999999996,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":275.18095900000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":324.2539589999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":40.6755,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.6755,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"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":1966,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439171.770833,"kali_year":5067,"ahargana":1850706.2708,"sun":{"sidereal_longitude":302.7099,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":240.8226,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":298.1127,"elapsed_within_tithi_degrees":10.1127},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":240.8226,"elapsed_within_degrees":0.8226},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":183.5325},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.549,"elongation":61.887},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.549,"opposition_distance":118.113}},"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":"05:54","sunsetLocal":"19:08","solarNoonLocal":"12:31","dayLengthHours":13.2290955119955,"dayLengthDisplay":"13 Hours 13 Mins 45 Secs","nightLengthDisplay":"10 Hours 46 Mins 15 Secs","moonriseLocal":"01:28","moonsetLocal":"15:40","rahuKala":{"name":"Rāhu Kāla","start":"15:50","end":"17:29","startHours":15.826091562122208,"endHours":17.479728501121645,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:13","end":"10:52","startHours":9.211543806124457,"endHours":10.865180745123894,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:31","end":"14:10","startHours":12.51881768412333,"endHours":14.172454623122768,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:26","startHours":8.991058880924532,"endHours":9.432028731324381,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.455482241125394,"endHours":6.808258121445275,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:58","startHours":12.077847833723483,"endHours":12.959787534523182,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:08","end":"05:01","startHours":4.140390526526182,"endHours":5.022330227325882,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:54","startHours":4.801845302125957,"endHours":5.904269928125582,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:36","startHours":14.72366693612258,"endHours":15.60560663692228,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:56","end":"19:20","startHours":18.933365440121083,"endHours":19.33336544012108,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:08","end":"19:41","startHours":19.133365440121082,"endHours":19.684577753120895,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:53","end":"20:38","startHours":18.883365440121082,"endHours":20.633365440121082,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:58","startHours":24.077847833723485,"endHours":24.959787534523183,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:54","end":"07:33","startHours":5.904269928125582,"endHours":7.55790686712502,"quality":"inauspicious"},{"name":"Udveg","start":"07:33","end":"09:13","startHours":7.55790686712502,"endHours":9.211543806124457,"quality":"inauspicious"},{"name":"Chala","start":"09:13","end":"10:52","startHours":9.211543806124457,"endHours":10.865180745123894,"quality":"neutral"},{"name":"Labha","start":"10:52","end":"12:31","startHours":10.865180745123894,"endHours":12.51881768412333,"quality":"auspicious"},{"name":"Amṛta","start":"12:31","end":"14:10","startHours":12.51881768412333,"endHours":14.172454623122768,"quality":"auspicious"},{"name":"Kāla","start":"14:10","end":"15:50","startHours":14.172454623122768,"endHours":15.826091562122208,"quality":"inauspicious"},{"name":"Śubha","start":"15:50","end":"17:29","startHours":15.826091562122208,"endHours":17.479728501121645,"quality":"auspicious"},{"name":"Roga","start":"17:29","end":"19:08","startHours":17.479728501121645,"endHours":19.133365440121082,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"19:08","end":"20:29","startHours":19.133365440121082,"endHours":20.479728501121645,"quality":"inauspicious"},{"name":"Śubha","start":"20:29","end":"21:50","startHours":20.479728501121645,"endHours":21.82609156212221,"quality":"auspicious"},{"name":"Roga","start":"21:50","end":"23:10","startHours":21.82609156212221,"endHours":23.172454623122768,"quality":"inauspicious"},{"name":"Udveg","start":"23:10","end":"00:31","startHours":23.172454623122768,"endHours":24.518817684123334,"quality":"inauspicious"},{"name":"Chala","start":"00:31","end":"01:52","startHours":24.518817684123334,"endHours":25.865180745123894,"quality":"neutral"},{"name":"Labha","start":"01:52","end":"03:13","startHours":25.865180745123894,"endHours":27.211543806124457,"quality":"auspicious"},{"name":"Amṛta","start":"03:13","end":"04:33","startHours":27.211543806124457,"endHours":28.55790686712502,"quality":"auspicious"},{"name":"Kāla","start":"04:33","end":"05:54","startHours":28.55790686712502,"endHours":29.904269928125583,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.904269928125582,"endHours":6.904269928125582,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.904269928125582,"endHours":7.904269928125582,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.904269928125582,"endHours":8.904269928125583,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.904269928125583,"endHours":9.904269928125583,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.904269928125583,"endHours":10.904269928125583,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.904269928125583,"endHours":11.904269928125583,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.904269928125583,"endHours":12.904269928125583,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.904269928125583,"endHours":13.904269928125583,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.904269928125583,"endHours":14.904269928125583,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.904269928125583,"endHours":15.904269928125583,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.904269928125583,"endHours":16.904269928125583,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.904269928125583,"endHours":17.904269928125583,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.904269928125583,"endHours":18.904269928125583,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.904269928125583,"endHours":19.904269928125583,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.904269928125583,"endHours":20.904269928125583,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.904269928125583,"endHours":21.904269928125583,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.904269928125583,"endHours":22.904269928125583,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.904269928125583,"endHours":23.904269928125583,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.904269928125583,"endHours":24.904269928125583,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.904269928125583,"endHours":25.904269928125583,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.904269928125583,"endHours":26.904269928125583,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.904269928125583,"endHours":27.904269928125583,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.904269928125583,"endHours":28.904269928125583,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.904269928125583,"endHours":29.904269928125583,"planetary_lord":"Saturn"}],"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":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.880776228534996,"eotMinutes":-14.571061047399978,"ayanamsa":23.3798}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Daśamī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 February 15, 1966 CE · Perth, Australia · Vidhyamitra","description":"February 15, 1966 CE for Perth, Australia: Kṛṣṇa Daśamī, sūryodaya 05:54, sūryāsta 19:08.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/perth/1966-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/perth/1966-02-15","sa":"https://sa.vidhyamitra.com/city/perth/1966-02-15","hi":"https://hi.vidhyamitra.com/city/perth/1966-02-15","x-default":"https://vidhyamitra.com/city/perth/1966-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:30:48.329Z","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":"2026-09-06T07:30:48.329Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:30:48.329Z","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"}}}